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IPv4

From

Host (RFC 5735)

127.0.0.0/8 - host loopback address

Link Local (RFC 3927) and (RFC 5735)

169.254.0.0/16

Private IPv4 ((RFC 1918) and (RFC 5735)

10.0.0.0/8
172.16.0.0/12
192.168.0.0/16

Carrier-Grade NAT (RFC 6598)

100.64.0.0/10 - Carrier-Grade Shared Address Space

IEFT Protocol Assignments (RFC 5736) and (RFC 5735)

192.0.0.0/24 - This block is reserved for IETF protocol assignments.

Documentation (RFC 5737)

192.0.2.0/24 Assigned as TEST-NET-1, documentation and examples. and (RFC 5735)
198.51.100.0/24 Assigned as TEST-NET-2, documentation and examples. and (RFC 5735)
203.0.113.0/24 Assigned as TEST-NET-3, documentation and examples. and (RFC 5735)
233.252.0.0/24 IPv4 Multicast Documentation Addresses (RFC 6676)
198.18.0.0/15 Used for benchmark testing of inter-network communications between two separate subnets. and (RFC 5735)

Other

0.0.0.0/8.
224.0.0.0/4 Multicast. and (RFC 5735)
192.88.99.0/24 IPv6 to IPv4 Translation. and (RFC 5735)
240.0.0.0/4 Reserved for future use. and (RFC 5735)
255.255.255.255/32 broadcast address (RFC 5735)

Bogon

Team Cymru Bogons IPv4 -

http://www.team-cymru.org/Services/Bogons/fullbogons-ipv4.txt

IPv4 addresses that should not be routed across the Internet (including RFC1918 private IP addresses). Either reserved IP address space or unassigned and may be used for malicious purposes. More information: https://www.team-cymru.com/bogon-reference-bgp

Team Cymru Bogons IPv6 -

http://www.team-cymru.org/Services/Bogons/fullbogons-ipv6.txt

IPv6 addresses that should not be routed across the Internet. Either reserved IP address space or unassigned and may be used for malicious purposes. More information: https://www.team-cymru.com/bogon-reference-bgp