AS16876 ICANN

ICANN-DC - ICANN · registered in the United States

IPv4 addresses2,0485 prefixes · <0.001% of announced IPv4

Rank in United States#6,089largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#22,601of 79,396 networks with IPv4

IPv63 x /483 prefixes

CountryUnited States18,679 ASNs registered there

Open AS16876 in ASN lookup Look up an IP in this network (192.0.43.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

192.0.43.0/24
192.0.44.0/22
199.4.29.0/24
208.77.189.0/24
208.77.191.0/24

IPv6 prefixes

All 3 prefixes.

2001:500:88::/48
2602:800:900f::/48
2620:0:2830::/48

Other ASNs named ICANN

5 other networks use the same organisation name; together with AS16876 they announce 10,240 IPv4 addresses.

ASNNameIPv4 addresses

AS20144IMRS - ICANN US2,304

AS27500ICANN-MEETINGS - ICANN US2,048

AS26710ICANN-ANYCASTED-SERVICES - ICANN US1,792

AS40528ICANN-LAX - ICANN US1,792

AS26711ICANN-MDR - ICANN US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS55079#6086 STELLANET - Third Gear Networks2,048

AS19557#6087 CHANGEIP-01 - CHANGEIP COM2,048

AS12076#6088 MICROSOFT - Microsoft Corporation2,048

AS27647#6090 WEEBLY - Weebly, Inc.2,048

AS22296#6091 VORSK - Vorsk LLC2,048

AS394298#6092 US-SC-DAL-AS - Airlinq Inc2,048

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources