FM 2-02 Chapter 2 · Networking
IP address
IPv6 and IPv4 address forms, special ranges, integer, binary and reverse DNS name.
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Accepts 2001:db8::1 · fe80::1%eth0 · 2001:db8::/48 · ::ffff:192.0.2.1 · 192.0.2.1
Documentation RFC 3849 IPv6
- Compressed (RFC 5952)
- 2001:db8::ff00:42:8329
- Expanded
- 2001:0db8:0000:0000:0000:ff00:0042:8329
- Integer
- 42540766411282592856904265327123268393
- Hex
- 0x20010db8000000000000ff0000428329
- Reverse DNS
- 9.2.3.8.2.4.0.0.0.0.f.f.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa
00100000000000010000110110111000000000000000000000000000000000000000000000000000111111110000000000000000010000101000001100101001
The compressed form follows RFC 5952: lowercase, no leading zeros, the longest run of zero groups
becomes :: (leftmost if tied), and a single zero group is never compressed.
IPv6 special ranges
- ::/128
- Unspecified RFC 4291
- ::1/128
- Loopback RFC 4291
- ::ffff:0.0.0.0/96
- IPv4-mapped RFC 4291
- 64:ff9b::/96
- NAT64 well-known prefix RFC 6052
- 64:ff9b:1::/48
- NAT64 local-use prefix RFC 8215
- 100::/64
- Discard-only RFC 6666
- 2000::/3
- Global unicast RFC 4291
- 2001::/32
- Teredo RFC 4380
- 2001:db8::/32
- Documentation RFC 3849
- 2002::/16
- 6to4 RFC 3056
- 3fff::/20
- Documentation RFC 9637
- fc00::/7
- Unique local (ULA) RFC 4193
- fe80::/10
- Link-local RFC 4291
- ff00::/8
- Multicast RFC 4291