![ARIN on Twitter: "Bookmark our CIDR chart as an easy reference to determine IP address block size equivalents between #IPv4 and #IPv6 https://t.co/lPWNxcLTwE https://t.co/qeyUJaZh7f" / Twitter ARIN on Twitter: "Bookmark our CIDR chart as an easy reference to determine IP address block size equivalents between #IPv4 and #IPv6 https://t.co/lPWNxcLTwE https://t.co/qeyUJaZh7f" / Twitter](https://pbs.twimg.com/media/EHK_jx9X0AEWO08.png)
ARIN on Twitter: "Bookmark our CIDR chart as an easy reference to determine IP address block size equivalents between #IPv4 and #IPv6 https://t.co/lPWNxcLTwE https://t.co/qeyUJaZh7f" / Twitter
![CIDR table.rtf - CIDR Conversion Table CIDR Length Mask /1 128.0.0.0 128 A 2 147 483 392 /2 192.0.0.0 64 A 1 073 741 696 /3 224.0.0.0 32 A | Course Hero CIDR table.rtf - CIDR Conversion Table CIDR Length Mask /1 128.0.0.0 128 A 2 147 483 392 /2 192.0.0.0 64 A 1 073 741 696 /3 224.0.0.0 32 A | Course Hero](https://www.coursehero.com/thumb/64/89/6489f11bf007dad4f87824181959223284725898_180.jpg)
CIDR table.rtf - CIDR Conversion Table CIDR Length Mask /1 128.0.0.0 128 A 2 147 483 392 /2 192.0.0.0 64 A 1 073 741 696 /3 224.0.0.0 32 A | Course Hero
![Subnetting Chart - CIDR, Bitcounts, Number of Hosts & Number of Networks for CompTia Network+ - Instructables Subnetting Chart - CIDR, Bitcounts, Number of Hosts & Number of Networks for CompTia Network+ - Instructables](https://content.instructables.com/FSH/FNEF/HS18G38O/FSHFNEFHS18G38O.jpg?auto=webp)
Subnetting Chart - CIDR, Bitcounts, Number of Hosts & Number of Networks for CompTia Network+ - Instructables
The Sky Networks - CIDR CIDR (Classless Inter-Domain Routing) notation rather than the common subnet mask 255.x.x.x when configuring addresses and networks. Refer to the CIDR Subnet Table to find the CIDR
![The TCP/IP Guide - IP "Supernetting": Classless Inter-Domain Routing (CIDR) Hierarchical Addressing and Notation The TCP/IP Guide - IP "Supernetting": Classless Inter-Domain Routing (CIDR) Hierarchical Addressing and Notation](http://www.tcpipguide.com/free/diagrams/ipcidr.png)
The TCP/IP Guide - IP "Supernetting": Classless Inter-Domain Routing (CIDR) Hierarchical Addressing and Notation
![Host/Subnet Table and CIDR/Netmask Converter | Networking infographic, Cisco networking technology, Computer network Host/Subnet Table and CIDR/Netmask Converter | Networking infographic, Cisco networking technology, Computer network](https://i.pinimg.com/originals/e3/6a/c2/e36ac2dd841b07b12de5faab21255db0.jpg)