====== IP Addresses ======

===== Special-Use IPv4 Addresses =====

^ Address Block        ^ Present Use                                     ^ Reference ^
| 0.0.0.0/8            | "This" Network                                  | [[https://datatracker.ietf.org/doc/rfc1700/|RFC1700, page 4]] |
| 10.0.0.0/8           | Private-Use Networks                            | [[https://datatracker.ietf.org/doc/rfc1918/|RFC1918]] |
| 14.0.0.0/8           | Public-Data Networks                            | [[https://datatracker.ietf.org/doc/rfc1700/|RFC1700, page 181]] |
| 24.0.0.0/8           | Cable Television Networks                       | [[https://www.rfc-editor.org/rfc/rfc3330|RFC3330]] |
| 39.0.0.0/8           | Reserved but subject to allocation              | [[https://datatracker.ietf.org/doc/rfc1797/|RFC1797]] |
| 100.64.0.0/10        | Shared address space for CGN (Carrier Grade NAT) | [[https://datatracker.ietf.org/doc/html/rfc6598|RFC6598]] |
| 127.0.0.0/8          | Loopback                                        | [[https://datatracker.ietf.org/doc/rfc1700/|RFC1700, page 5]] |
| 128.0.0.0/16         | Reserved but subject to allocation              | [[https://www.rfc-editor.org/rfc/rfc3330|RFC3330]] |
| 169.254.0.0/16       | Link Local                                      | [[https://datatracker.ietf.org/doc/html/rfc3927|RFC3927]] |
| 172.16.0.0/12        | Private-Use Networks                            | [[https://datatracker.ietf.org/doc/rfc1918/|RFC1918]] |
| 191.255.0.0/16       | Reserved but subject to allocation              | [[https://www.rfc-editor.org/rfc/rfc3330|RFC3330]] |
| 192.0.0.0/24         | Reserved but subject to allocation              | [[https://datatracker.ietf.org/doc/html/rfc3330|RFC3330]] |
| 192.0.2.0/24         | TEST-NET-1 reserved for documentation           | [[https://datatracker.ietf.org/doc/html/rfc5737|RFC5737]] |
| 192.88.99.0/24       | 6to4 Relay Anycast                              | [[https://datatracker.ietf.org/doc/rfc3068/|RFC3068]] |
| 192.168.0.0/16       | Private-Use Networks                            | [[https://datatracker.ietf.org/doc/rfc1918/|RFC1918]] |
| 198.18.0.0/15        | Network Interconnect Device Benchmark Testing   | [[https://datatracker.ietf.org/doc/rfc2544/|RFC2544]] |
| 198.51.100.0/24      | TEST-NET-2 reserved for documentation           | [[https://datatracker.ietf.org/doc/html/rfc5737|RFC5737]] |
| 203.0.113.0/24       | TEST-NET-3 reserved for documentation           | [[https://datatracker.ietf.org/doc/html/rfc5737|RFC5737]] |
| 223.255.255.0/24     | Reserved but subject to allocation              | [[https://www.rfc-editor.org/rfc/rfc3330|RFC3330]] |
| 233.252.0.0/24       | Reserved as multicast addresses for documentation | [[https://datatracker.ietf.org/doc/html/rfc6676|RFC6676]] |
| 224.0.0.0/4          | Multicast                                       | [[https://datatracker.ietf.org/doc/rfc3171/|RFC3171]] |
| 240.0.0.0/4          | Reserved for Future Use                         | [[https://datatracker.ietf.org/doc/rfc1700/|RFC1700, page 4]] |

Sources: [[https://datatracker.ietf.org/doc/rfc3330/|RFC3330]], [[https://en.wikipedia.org/wiki/Reserved_IP_addresses|Wikipedia: Reserved IP addresses]]

===== Special-Use IPv6 Addresses =====

FIXME TODO

  * 2001:db8::/32 - IPv6 unicast for documentation https://datatracker.ietf.org/doc/html/rfc3849
  * ff0X::db8:0:0/96 - IPv6 multicast (the value of X defines the scope of the address) for documentation https://datatracker.ietf.org/doc/rfc6676/

===== Public IP Ranges =====

  * Private collection of cloud ip ranges [[https://github.com/femueller/cloud-ip-ranges/tree/master|github.com/femueller/cloud-ip-ranges]]
  * [[https://www.microsoft.com/en-us/download/details.aspx?id=56519|Azure IP Ranges and Service Tags – Public Cloud]]
  * [[https://www.microsoft.com/en-us/download/details.aspx?id=57063|Azure IP Ranges and Service Tags – US Government Cloud]]
  * [[https://www.microsoft.com/en-us/download/details.aspx?id=57062|Azure IP Ranges and Service Tags – China Cloud]]
  * [[https://www.microsoft.com/en-us/download/details.aspx?id=57064|Azure IP Ranges and Service Tags – Germany Cloud]]
  * [[https://docs.aws.amazon.com/vpc/latest/userguide/aws-ip-ranges.html|AWS IP address ranges]] ([[https://ip-ranges.amazonaws.com/ip-ranges.json|ip-ranges.json]])
  * [[https://cloud.google.com/appengine/docs/legacy/standard/php/outbound-ip-addresses|Google: Outbound IP addresses for App Engine services]] [[https://www.gstatic.com/ipranges/cloud.json|cloud.json]] [[https://www.gstatic.com/ipranges/goog.json|goog.json]]

===== IP Address Analysis =====

  * [[https://www.criminalip.io/]]