AS87 Indiana University

INDIANA-AS - Indiana University · registered in the United States

IPv4 addresses622,84811 prefixes · 0.020% of announced IPv4

Rank in United States#148largest network in US by IPv4 space, of 18,338 · 0.05% of US

Rank worldwide#492of 79,396 networks with IPv4

IPv616 x /485 prefixes

CountryUnited States18,679 ASNs registered there

Open AS87 in ASN lookup Look up an IP in this network (129.79.0.1) All networks in United States

IPv4 prefixes

All 11 prefixes, in address order.

129.79.0.0/16
134.68.0.0/16
140.182.0.0/16
149.159.0.0/17
149.160.0.0/17
149.161.0.0/16
149.162.0.0/15
149.165.0.0/17
149.166.0.0/16
156.56.0.0/16
198.49.177.0/24

IPv6 prefixes

All 5 prefixes.

2001:18e8::/47
2001:18e8:2::/48
2001:18e8:3::/48
2001:18e8:4::/46
2001:18e8:8::/45

Other ASNs named Indiana University

3 other networks use the same organisation name; together with AS87 they announce 722,230 IPv4 addresses.

ASNNameIPv4 addresses

AS27198INDIANA-EXTERNAL - Indiana University US66,816

AS19782INDIANAGIGAPOP - Indiana University US22,330

AS10680IU-RESEARCH - Indiana University US10,236

Similar-sized networks in United States

ASNNameIPv4 addresses

AS33489#145 COMCAST-33489 - Comcast Cable Communications, LLC647,936

AS10753#146 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC640,512

AS33661#147 CMCS - Comcast Cable Communications, LLC630,528

AS33660#149 CMCS - Comcast Cable Communications, LLC621,824

AS14977#150 STATE-OF-WYOMING-ASN - State of Wyoming Department A&I595,200

AS10361#151 BLOOMBERG-NET - Bloomberg, LP593,664

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