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IP Addresses Quick Reference Guide.

January 5, 2016 — by Andreas0

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ip address cheat sheet

CIDR, Subnet Mask, Total IPs, Usable IPs, IP block
Guide to sub-class C blocks

What’s a /19?  How many IPs do I get to use with a /20?  Well, see the table below!
Usable IPs is the Total IPs. Read more about IPv4 subnetting reference

CIDR

Subnet Mask

Total IPs

Usable IPs

/32255.255.255.25511
/31255.255.255.25420
/30255.255.255.25242
/29255.255.255.24886
/28255.255.255.2401614
/27255.255.255.2243230
/26255.255.255.1926462
/25255.255.255.128128126
/24255.255.255.0256254
/23255.255.254.0512510
/22255.255.252.010241022
/21255.255.248.020482046
/20255.255.240.040964094
/19255.255.224.081928190
/18255.255.192.016,38416,382
/17255.255.128.032,76832,766
/16255.255.0.065,53665,534
/15255.254.0.0131,072131,070
/14255.252.0.0262,144262,142
/13255.248.0.0524,288524,286
/12255.240.0.01,048,5761,048,574
/11255.224.0.02,097,1522,097,150
/10255.192.0.04,194,3044,194,302
/9255.128.0.08,388,6088,388,606
/8255.0.0.016,777,21616,777,214
/7254.0.0.033,554,43233,554,430
/6252.0.0.067,108,86467,108,862
/5248.0.0.0134,217,728134,217,726
/4240.0.0.0268,435,456268,435,454
/3224.0.0.0536,870,912536,870,910
/2192.0.0.01,073,741,8241,073,741,822
/1128.0.0.02,147,483,6482,147,483,646
/00.0.0.04,294,967,2964,294,967,294

What is an IP address?

An IP address or an IP address is an address that identifies a connection to the Internet. The IP address used for information sent on the Internet to reach the right computer.

Every Internet-connected computer has an IP address. Sometimes multiple computers to share the same IP address.

An IP address can be dynamic or static. A dynamic IP address is assigned through a server of the Internet service and address can be changed at each connection point. A static IP address is always the same. One calls it a fixed IP address.

Most ISPs only use dynamic IP addresses to private persons. Such an IP address can thus belong to several different people from different parts of the country from one day to another. There are few operators publish static IP addresses.

There are public and private IP addresses. The private IP addresses are used only in local networks and should never occur in the traffic going over the Internet.

The current standard that manages IP addresses, called IPv4. However, with an increased number of users on the network are IP addresses in IPv4 running out. Within the next few years, most companies, organizations and operators move to the new standard IPv6. IPv6 supports virtually unlimited number of IP addresses.

For private users is expected to transition take place relatively painlessly without the need to upgrade either the hardware or software when using a reasonably modern computer and updated operating system. IPv4 will likely operate in parallel with IPv6 for a long time to come.

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Start small grow big with seo hosting stars

December 2, 2015 — by Andreas0

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Right now SEO Hosting Stars is having a Holiday Hosting Sale on all our Cloud and Premium VPS. To take advantage of this deals just respond to jennifer@missgroup.com or visit our site and mention code WINTER50OFF to get the 50% off the first month!!

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Here are just a few reasons why you should give us a try:
– Free Migration from Your Current Host
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– 24/7 Support and Rapid Server Set-Up
– GEO Targeted IPs from Any Country in the World
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SSH Communications Security Announces Universal SSH Key Manager Solution

November 16, 2015 — by Andreas0

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At the Gartner Security and Risk Management Summit 2015 in London, SSH Communications Security announced its Universal SSH Key Manager (UKM) solution is available as a virtual application, free to download and trial. To get a trial license, visit https://info.ssh.com/trial-ssh-key-manager-beta.

Using UKM, businesses can map infrastructure authorizations and implement standard Secure Shell key policies across their entire network quickly without disrupting any already compliant processes. Major enterprises, financial institutions, and federal agencies can use UKM to benefit their practices in a variety of ways.

To better streamline operations UKM includes a user portal enabling organizations to allow users to manage their own keys, still implementing defined policies and standards compliance. Organizations will be able to lower their costs and make their users more productive, while meeting requirements in standards such as PCI-DSS, NIST and HIPAA.

The appliance is available for trials today, so it is easy to get started testing, and an updated release with the user portal functionality will be rolled out during Q42015.

“Organizations are struggling to manage Secure Shell keys in a way that is easy to use, centralized and delivers strong security and compliance to boot,” shared Matthew McKenna, chief commercial officer, SSH Communications Security. “Universal SSH Key Manager is a purpose-built, budget-friendly key management solution that helps organizations achieve compliance with Secure Shell key authorizations within even the most complicated network environments. Our customers have found the Universal SSH Key Manager to be flexible and non-disruptive to their business, and this new release will further extend our lead in enabling compliance and productivity.”

SSH Communications Security is inventor of the SSH protocol, with a twenty-year history of leading the market in developing advanced security solutions that enable, monitor, and manage encrypted networks. The company’s encryption is trusted by over 3,000 customers globally, who also rely on SSH Communications Security’s access control and encrypted channel monitoring solutions, used to meet compliance requirements, improve security posture and save on operational costs.

SSH Communications Security is headquartered in Helsinki with offices in the Americas, Europe and Asia. Shares (SSH1V) are quoted on the NASDAQ OMX Helsinki, and more information about SSH Communications Security is available online at www.ssh.com.

At the Gartner Security & Risk Management Summit 2015, security and risk leaders discussed skills and strategies needed to maintain cost-effective security and risk management programs in order to support digital business and drive enterprise success. These leaders are working to embrace new approaches to digital business, while maintaining proven control architecture that mitigates enterprise risk for success.

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How to Choose the Right Host for Your Website

October 29, 2015 — by Andreas0

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You need a web hosting company to provide you with services that connect your site to the internet, allowing you to connect with your customers online – but there are tons of hosts out there, and it can be tough to narrow down the options to find one that is perfect for your company!

Your website is only as good as your web host, and any issues with your hosting company will translate to problems with your website and unhappy customers. Bearing this in mind, your first decision relates to what type of hosting you’ll choose. There are many hosting plans out there, but these are the most common types of hosting plans.

Individual plans are affordable, providing hosting support for a single domain only. You may find that this plan is limited in terms of features, bandwidth, and data storage, but if you are just starting out as a webmaster and don’t need a lot of traffic support or bells and whistles, this is an economical, user-friendly way to get started. Often times you will be sharing space on your hosting server with other webmasters, so you may hear this called a shared hosting plan.

Dedicated servers provide you with your own server, for a higher price. This opens up new doors to you, allowing you to try new features and support more traffic. If you think you may eventually need a dedicated server but want to start with a shared hosting plan, be sure your web host offers both types of plans so you can upgrade in the future without a big hassle.

In between these types of plans are reseller accounts. Reseller hosts allow their clients to set up multiple individual plans on one account. It’s relatively inexpensive, and lets you run several smaller websites without needing multiple accounts or plans to do so.

Now that you know what types of plans are out there, and have made your decision, you have to decide on the web host itself. Obviously, you’ll need a web host that provides the type of plan you want, so be sure to read through all of your options and consider your future needs.

You will also need to consider cost. It’s important to stay within your budget, but try to not be tempted by free hosting programs. These hosts are often unreliable and may require you to advertise on your website, for the web host or other advertisers – this is how the hosting plan is free or low-cost. Everything on your website should relate to your business, so this is never a good idea for a company site. You can talk to your preferred web host about the costs of their plans and see if there are any discounts or cost savings available, if you think hosting might cost too much.

You can also check out customer reviews to help you evaluate web hosts. Are people generally happy with this host, or do they frequently run into problems? Reading real-life reviews is a good way to know how a business actually operates, instead of relying on what the web host tells you. Check multiple review sites and read a variety of reviews to get a good idea of what people think of your prospective host.

Speaking of customer reviews – how will the host support you, if you become a client? If you need lots of assistance as a new webmaster, be sure that the host can provide that to you. You need a dependable, reliable, helpful web host to help you through any issues that come up, whether this is all-new to you, or you have experience. Make sure your web host responds to issues and questions quickly, as time is often money in the online world, especially when it comes to keeping your own customers happy. A good web host is available to you 24/7 in a variety of ways, from phone support to online chats, email access, and helpdesk tickets. Find out what customer support your host offers before committing to anything.

Security is important, too. If you are handling customer transactions or sensitive data, it is vital to know that this information is protected – you can reassure your clients that all is well, if you are able to trust your web host. Make sure that the appropriate privacy and security measures are taken to keep all of your information, and your clients’ information, as safe as possible.

Consider storage and bandwidth allowances. Your website may take up more space than you think! Many hosts are moving toward unlimited disk space and bandwidth, but don’t assume that this is always the case. Ensure that your storage and bandwidth allowances are more than adequate for your business as-is, and any projected growth in the future. It can be annoying and expensive to try to tack on additional space after the fact, so do your best to ensure you start out with everything you need.

Finally, be sure to inquire about script support when choosing your web host. The hosting company’s built-in support for popular web scripts should factor into your choice, if you use them. If you would like to run WordPress on your website, look for a host that offers easy installation, and be aware of any MySQL database limitations. Your potential web host should have a list of scripts that it supports, and those that are available to install easily, so make a note of what scripts you need and double-check that the support is available.

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Making a Crash Plan for Your Website

October 22, 2015 — by Andreas0

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You might not think you need a crash plan for your website, but emergencies and strange situations can crop up at any time.

Paul Capizzi, vice president of technology for SBLI USA, shared the issues his customer-facing websites faced in August 2003, during a widespread blackout.

“We had a good plan in place, but when the power is down for that long and you don’t have a redundant data center, there’s only so much you can do,” he said.

It is impossible to completely prevent an outage, but businesses should take care to have a crash plan in place. Using technology and the assistance of hosting partners, you can ensure that downtime is minimal, and unnecessary downtime is non-existent. This helps you quickly restore service, too, so your customers will not deal with connectivity issues for long. Overall, a crash plan should be in place to minimize the impact an outage will have on your business and your clients.

In Capizzi’s case, redundancy was the way to go. His company hosts its own sites and data center, has multiple ISPs, and backups for web servers and battery power. This keeps customers connected to the website and meets all of the demand on the business websites, as well as ensuring reliability and data protection.

How can you justify a crash plan, and the infrastructure needed to prevent an outage? You first must consider how much your online operations impact your business revenue. If downtime directly translates to lost sales, or lost customers, it is easy to tell that you should have a plan in place. If you aren’t sure how your website impacts your business overall, conduct a study to be able to properly value your online presence.

Options for infrastructure can be complex, like Capizzi’s, or you can simply ask your web host for a static page that will display a message indicating your site is down but will be back, branded with your company information so your users still feel connected to you instead of reaching a generic error page. This is likely a good solution if your website solely exists to generate leads and give customers basic information – if they encounter the static page they may simply try again later, or find another way to get in contact with the company.

However, if you rely on your website for business transactions, downtime will cost revenue and customers, as well as time and money spent on restoration. If this is the case for your company you will want a more robust crash plan than a static page!

Your first step should be performing regular, daily backups of the systems your website accesses. Don’t trust the backups to be safe and complete without testing them – be sure to actually check your backups to ensure they are working correctly and contain the data you need. You can do this easily, by uploading a file, deleting it, and requesting that your hosting company retrieve it. The host should be able to do this quickly, and if they cannot, you may have a problem. You should also backup your site on your own, regularly, so you have multiple options for restoring.

Be aware of what your hosting options cover and make sure you are working with a provider who has a good track record for up time. Choose a responsive, reliable host, and you will be glad you did so if you need assistance in an emergency. You will want a host that can respond to your issues as quickly as possible, and work with you to get your website up and running before it causes problems for your customers.

While choosing a hosting provider, consider whether you want shared hosting or a virtual private server – shared hosting is less expensive but poses security issues for data and customer orders. You can contract with various ISPs or hosting companies, or single-source your web host with one provider. Single-sourcing is less reliable for availability, so working with multiple vendors is a good way to protect against points of failure.

Log and monitor your data yourself, instead of simply relying on your web host. Be sure to maintain clear, comprehensive logs – note any changes to the site, who made them, and when, as you will need all of these details if you are faced with a restoration following downtime. Monitoring your data through a dedicated service is a good way to know if you are experiencing outages in certain locations.

If you do experience an outage, this is where your crash plan comes into play – don’t panic, but be sure to implement it as soon as possible. Your first contact should be your hosting company, which can look into the issue on their end and determine if it’s a hosting problem or something on your end. You can take this time to reach out to clients and other contacts and let them know that your site is down, giving them an estimated restoration time if you have that information. It’s important to continually update your customers so they know what to expect, without inundating them with information. Make your updates available to whoever wants or needs them.

You can contact IT professionals for greater assistance, if you are out of your league or have reached the end of what you can do on your own. This may cost more money, but remember that every minute your site is down translates to long-term impacts on your business. Paying for emergency services is one way to get your site restored quickly and effectively, so you can get back to work without losing your client base permanently.

 

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What to Know Before You Buy New Hardware

October 15, 2015 — by Andreas0

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Hardware is something companies go through on a regular basis – no matter what you do, if it involves a computer or Internet network, you are always going to need to budget for upgrades, replacements, and new purchases. There are countless options on the market, and many new server vendors, so it can be complicated and challenging to determine exactly what IT hardware options will work for your business.

There are numerous factors to consider. What can you afford? You should be aware that inexpensive is not always better – sometimes you pay less and get less quality, without the customer service and guarantees that can turn a problem into a solution quickly. You get what you pay for, so it may be wise to invest a bit more into a company that can help you out along the way. Developing a good relationship with a vendor is a great way to make high-quality hardware affordable in the long run.

You also need to consider whether a general purpose server or application-specific server system is appropriate for your company, based on what you do. Do you want to stick with Tier-1 rather than Facebook’s Open Compute Project (OCP)? It can be challenging to make these decisions, especially if your company is growing and changing.

If you are struggling with buying new hardware, and are not sure exactly what you need to tailor your server specifications to your business, you aren’t alone. Companies in many industries are dealing with the same issues. Take your time to research hardware options, and if you find you are lacking the knowledge and time you need to do this, don’t be afraid to outsource. In the end, you should be focused on getting the best hardware, for a reasonable price, from a quality, customer-oriented server vendor.

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IPv4 Depletion – What Comes Next?

October 8, 2015 — by Andreas0

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The American Registry for Internet Numbers (ARIN) recently announced that all IPv4 addresses in its free pool are depleted, leaving only IPv4 address blocks remaining. The waiting list is activated and people needing this asset must use the free market to source any addresses.

Why is this important? IP addresses are one of the core pieces of a network – the address dictates where an Internet data stream should go. IPv6 is the replacement, but that standard may not be ready and implemented for a number of years. The industry has known that IPv4 depletion was on the way, so this is not a surprise, but it will most certainly impact various aspects of the Internet.

The Internet was not built for a situation in which all IPv4 numbers would be used – that’s 4.3 billion numbers, gone, when the original engineers and scientists who put the networks together had never dreamed of every IP address being used.

What comes next? ARIN will still be involved, assisting in transfers, returns, and other ways that IP numbers may change hands. But they cannot make up for the shortfall in IPv4 numbers, which will number in the multi-millions by the time IPv6 is ready to roll out.

What was a free product may become something with a market price – people need these addresses, and some may be holding onto them, and willing to put them up for sale, if the reward is great enough. This means the value of IPs may be in constant flux, especially as IPv6 comes closer to implementation. When the new standard exists, formerly valuable IPv4 addresses will not hold the same worth, but it is hard to pin down exactly when that will be.

Prices, so far, have been anywhere from $8 per IP address to $11, and guesses range much higher for the coming years, dependant on need. Experts are predicting prices as high as $26 per IP as time goes on.

Some businesses may be completely caught off guard by this. If you have not budgeted for IPv4 addresses, and do not know where to source them, you have a problem all of a sudden – how are you going to get the IPs you need before IPv6 rolls out?

It’s important to prepare as much as possible for this new world of IPv4 depletion. Start researching how you can get the IPs you need, and come up with a plan to pay for them. The industry will shift to accommodate this change, but businesses must be ready to do their part in solving the problem of IP depletion.

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Tips for Choosing the Best IP Transit Provider to Help You Handle Internet Traffic Surges

September 29, 2015 — by Andreas0

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Global Internet Protocol (IP) traffic predictions are rising – industry experts are suggesting IP traffic might surpass the zettabyte threshold within a year, and move beyond that to two zettabytes per year by 2019. Experts predict the global IP traffic will increase at least threefold within the next five years, partially owing to wireless and mobile traffic which is geared to surpass the traffic from wired devices any day now. To fully understand just how much IP traffic is happening, all you need to know is this: the number of devices connected to IP networks is expected to be more than three times the global population in a few short years!

If your business relies on the internet you have to find a way to deal with internet traffic surges. If you do not have the right IP transit provider you will experience issues, as will your customers, and the lack of connectivity is sure to pose problems. You need to find a way to transmit data quickly, securely, and reliably. For many businesses, that involves backup transit from numerous IP transit providers in various locations.

If this sounds like a good solution to you, you need to be aware of what to look for in an IP transit provider, so you can get the best service for your money, and pass those benefits on to your customers. Here are a few things to consider in your search:

  • International Internet Backbone – This is an extensive IP footprint that covers primary exchange points, customer and private peering ports, and major access and content networks on a global scale, letting you extend your reach to various destinations without taking complicated steps to do so. Your data will move quickly and reliably, meaning your customers will not struggle with connectivity issues. You’ll also benefit from the elimination of latency, packet loss, jitter, and outages.
  • Border Gateway Protocol (BGP) Services – BGP services are designed to exchange routing and reachability information between autonomous systems online. This allows you to identify what the shortest autonomous system paths are, so you avoid needless hops and deliver traffic quickly.
  • AS Ranking – Look for an IP Transit provider that can maintain direct connections to between 4,200 and 5,589 ASs. The more unique AS connections your provider can maintain, the better your service will be overall. AS ranking is very important, so be sure to ask about it.
  • Varying Connection Speeds – You will need a wide range of connection speeds, from Ethernet, to Gigabit Ethernet (GigE), 10 Gigabit Ethernet (10GE), and 100 Gigabit Ethernet (100GE). This ensures all of your bandwidth needs are covered in an easy-to-use manner.
  • Flexible Billing – Whether you are a small business on the verge of making it big, or are already in demand, flexible billing can help you. Don’t pay for more than you need, but don’t settle for cheap services when you need something better. Look for flexible biling from your provider to ensure your budgetary needs are met.
  • Rapid Turnaround Capability and Scalability – If you need something done for your business, you need it done quickly and reliably. Your IP transit provider should be able to bring you live within a matter of business days, and expand to reach your needs when they grow and change.
  • Port Availability in Key Access Points – Your IP Transit provider should maintain connectivity to data centers and carrier Points of Presence (PoPs) on a global scale so you don’t ever have to worry about accessibility or direct routing to your key locations.
  • Jumbo Frames – An IP transit provider that runs its network with jumbo frame (9000 byte MTU) capability can provide you with higher data throughput. How does this happen? Jumbo frames let you attain higher data speeds for large data transfers between distant locations, if both of those locations use the same IP Transit provider with jumbo frame capability. If you’re dealing with database synchronization, high-speed long-lived continuous streaming, big data, data warehousing, or site replication, jumbo frames should definitely be a consideration.
  • IPv6 and IPv4 Transit – Dual-stacking capabilities, or IPv6 and IPv4 transit capabilities on the same connection, are becoming more common, and can offer you a great deal of benefits.
  • Network Monitoring – As with any business issue, you’ll want to keep a close eye on your network. Look for an IP Transit provider that enables access to online monitoring tools so you can check in on connectivity, path, and routing information from various vantage points. This also assists your customers in verifying routing between providers.

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Microsoft may be forced to disclose the e-mail to USA, stored in Ireland

September 18, 2015 — by Andreas0

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This month the American police and Microsoft met in the courtroom. The case concerns about US technology companies will be forced to disclose the data on servers located abroad.

In this specific case police want Microsoft to disclose e-mails belonging to a person involved in a drug investigation. Microsoft says no to this and refers to the servers is Ireland, where the European legislation does not have to give out any information.

“If the authorities wins this case, this can lead to large consequences for the entire cloud industry,” says Peter North Beck, a lawyer at the law firm Delphi to IDG.

“This may mean that those who signed an agreement with US cloud companies can not feel confident that their information not be disclosed. Although it is in agreement that there is European legislation in force. There is an uncertainty one must consider, a risk assessment must be done, he says. ”

Today, many Swedish authorities and municipalities is using American cloud services with the view that the service is protected by EU law but now all that is changing.

“It will be a difficult situationt for companies too. They must comply with EU law in their contracts, while they have to follow the US and disclose data if authorities require. Laws against each other, “says Peter North Beck.

The case has been on the map before in American courtroom and twice before Microsoft has lost. It becomes a negative decision in this case could mean the end of American cloud services in Europe.

It can not be excluded, but we have to hope that it does not go that far. That in turn would mean a competitive advantage for Swedish and European companies. But it remains to be seen, says Peter North Beck.

Miss Hosting, we protect all of our customers’ data and all servers are located in Sweden. We help everyone from private individuals and small companies to leading corporate groups that want to prevent the communication of a sudden end up with competitors or becomes publicly available. Protect your information and select a reliable supplier today!