AS1289 Colgate University

COLGATE-UNIVERSITY - Colgate University · registered in the United States

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,035largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,943of 79,396 networks with IPv4

IPv6256 x /485 prefixes

CountryUnited States18,679 ASNs registered there

Open AS1289 in ASN lookup Look up an IP in this network (149.43.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

149.43.0.0/16

IPv6 prefixes

All 5 prefixes.

2602:819:1000::/44
2602:819:1010::/44
2602:819:1020::/43
2602:819:1040::/42
2602:819:1080::/41

Similar-sized networks in United States

ASNNameIPv4 addresses

AS355#1032 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)65,536

AS359#1033 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)65,536

AS364#1034 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)65,536

AS11318#1036 GU - Georgetown University65,536

AS19564#1037 LATECH - Louisiana Tech University65,536

AS27016#1038 NRC-NET - United States Nuclear Regulatory Commission65,536

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