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IP Address Info

Analyze any IPv4 or IPv6 address instantly. Shows binary representation, decimal, class, and whether it is private, loopback, multicast or broadcast.

Type —
Binary —
Decimal (32-bit) —
Class —
Private —
Loopback —
Multicast —
Broadcast —
Default subnet —

IP Address Info

Enter any IPv4 or IPv6 address to instantly see its type, binary representation, decimal value, address class, and whether it belongs to a special range (private, loopback, multicast, or broadcast).

IPv4 address classes

  • Class A — 1.0.0.0 to 126.255.255.255 — large networks, /8 default mask
  • Class B — 128.0.0.0 to 191.255.255.255 — medium networks, /16 default mask
  • Class C — 192.0.0.0 to 223.255.255.255 — small networks, /24 default mask
  • Class D — 224.0.0.0 to 239.255.255.255 — multicast
  • Class E — 240.0.0.0 to 255.255.255.255 — reserved / experimental

Special IPv4 ranges

  • Private: 10.0.0.0/8 · 172.16.0.0/12 · 192.168.0.0/16 — not routable on the public internet.
  • Loopback: 127.0.0.0/8 — refers to the local machine (127.0.0.1 = localhost).
  • Multicast: 224.0.0.0/4 — one-to-many group communication.
  • Broadcast: 255.255.255.255 — sends to all hosts on the local network.

IPv6 special addresses

  • ::1 — loopback (equivalent to 127.0.0.1)
  • fe80::/10 — link-local addresses
  • ff00::/8 — multicast