What is IP address block ?
- IP address block means when you want to buy IP address for your organization you have to register for purchasing IP address at your ISP(Internet service provider).At that time the amount mentioned to buy IP address is bulk / block of IP address.
- An ISP can sell the IP address to only authorized people.
- The size of the block assigned is written after an oblique (/), which shows the number of IP addresses contained in that block.
- For example, if an Internet Service Provider(ISP) is assigned a IP as "29.9.109.9/25". Here it provides 32-25 = 7 which means the it has 2^7 (128) addresses in IPv4.
- Internet Assigned Numbers Authority (IANA) distributes the IP addresses into different regions :
Why I Should Have a dedicated IP addresses ?
There are many reasons for buying IP address:
Direct Access :
With a unique IP address , you can have a direct assess to your website files using FTP or web browsers . And also you can see the your website hosting IP addresses.
SSL Certificate :
- You if want to provide security to the your website you need to buy SSL certificate. SSL certificate must and should have dedicated IP address.
Where I Purchase these IP addresses ?
In following Organisations you will purchase the IP addresses :
- ARIN:
- ARIN stands for American Registery for Internet Numbers.
- It will allocate the IP address to USA, CANADA, some CARIBBEAN regions.
- RIPE NCC :
- RIPE NCC stands for Reseaux IP Euorpean Network Coordination Center.
- It will allocate the IP address to Europe , Russia and Central Asia regions.
- LACNIC :
- LACNIC stands for Latin America and Caribbean network information center.
- It will allocate the IP address to some parts of the Caribbean regions only.
- APNIC :
- APNIC stands for Asia Pacific Network Information Center.
- It will allocate the IP address to Asia,Australia and neighboring countries regions.
- AFRNIC:
- AFRNIC stands for Africa Network Information Center.
- It will allocate the IP address to Africa region only.
- ARIN stands for American Registery for Internet Numbers.
- It will allocate the IP address to USA, CANADA, some CARIBBEAN regions.
- RIPE NCC stands for Reseaux IP Euorpean Network Coordination Center.
- It will allocate the IP address to Europe , Russia and Central Asia regions.
- LACNIC stands for Latin America and Caribbean network information center.
- It will allocate the IP address to some parts of the Caribbean regions only.
- APNIC stands for Asia Pacific Network Information Center.
- It will allocate the IP address to Asia,Australia and neighboring countries regions.
- AFRNIC stands for Africa Network Information Center.
- It will allocate the IP address to Africa region only.
Advantages of having the Dedicated IP addresses :
Less Down Time :
- Each time your IP address refreshes you run the risk of downtime from the server. While this is usually only for a very short time.
Having Your Own Private SSL certificate :
- Secure E-commerce websites need SSL certificates for accepting credit cards online.
Remote Access :
- With a static IP address you can access your PC no matter where you are in the world. Using programs such as Remote Administrator and PC Anywhere you can log into your work or home PC no matter where you are.
World wide distribution of IP addresses :
RIPE NCC IPV4 Address Allocation Chart :
RIPE NCC IPV6 Address Allocation Chart :
