Special IP Subnets
| Subnet | Comment | Usage | Source |
|---|---|---|---|
| 10.0.0.0/8 | Class A | Private IPs | RFC-1918 |
| 100.64.0.0/10 | Shared Public | ISP Dmarc | RFC-6598 |
| 127.0.0.0/8 | Localhost | Loopback | RFC-3927 |
| 169.254.0.0/16 | Link-Local | Local Network | RFC-6890 |
| 172.16.0.0/12 | Class B | Private IPs | RFC-1918 |
| 192.0.0.0/29 | IETF | DS-Lite | RFC-6333 |
| 192.0.0.0/24 | IANA | IETF Assignments | RFC-6890 |
| 192.0.2.0/24 | TEST-NET-1 | Documention | RFC-5737 |
| 192.88.99.0/24 | 6to4 Relay | IPv6 Transision | RFC-3068 |
| 192.168.0.0/16 | Class C | Private IPs | RFC-1918 |
| 198.18.0.0/15 | Interconnect | Benchmarking | RFC-2544 |
| 198.51.100.0/24 | TEST-NET-2 | Documention | RFC-5737 |
| 203.0.113.0/24 | TEST-NET-3 | Documention | RFC-5737 |
| 224.0.0.0/4 | Class D | Multicast | RFC-5771 |
| 240.0.0.0/4 | Class E | Expermental | RFC-6890 |