AS19782 Indiana University

INDIANAGIGAPOP - Indiana University · registered in the United States

IPv4 addresses22,330131 prefixes · <0.001% of announced IPv4

Rank in United States#2,040largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,783of 79,396 networks with IPv4

IPv665,246 x /4827 prefixes

CountryUnited States18,679 ASNs registered there

Open AS19782 in ASN lookup Look up an IP in this network (72.36.127.149) All networks in United States

IPv4 prefixes

All 131 prefixes, in address order.

72.36.127.148/30
128.210.85.0/24
128.210.86.0/24
144.92.233.116/30
149.165.128.0/28
149.165.128.16/28
149.165.128.32/28
149.165.128.48/29
149.165.128.56/30
149.165.128.60/32
149.165.128.61/32
149.165.128.62/31
149.165.128.64/27
149.165.128.96/29
149.165.128.104/29
149.165.128.112/28
149.165.128.128/25
149.165.129.0/26
149.165.129.64/28
149.165.129.80/28
149.165.129.96/27
149.165.129.128/25
149.165.130.0/23
149.165.132.0/23
149.165.134.0/24
149.165.135.0/24
149.165.136.0/21
149.165.160.0/28
149.165.160.16/29
149.165.160.24/30
149.165.160.28/30
149.165.160.32/27
149.165.160.64/26
149.165.160.128/25
149.165.161.0/24
149.165.162.0/23
149.165.164.0/22
149.165.176.0/22
149.165.180.0/25
149.165.180.128/28
149.165.180.144/28
149.165.180.160/27
149.165.180.192/27
149.165.180.224/27
149.165.181.0/24
149.165.182.0/23
149.165.184.0/21
149.165.192.0/24
149.165.193.0/24
149.165.194.0/23
149.165.196.0/22
149.165.200.0/21
149.165.208.0/20
149.165.227.36/30
149.165.240.0/27
149.165.240.32/29
149.165.240.40/29
149.165.240.48/28
149.165.240.64/26
149.165.240.128/25
149.165.242.0/23
149.165.246.0/23
149.165.248.0/26
149.165.248.64/28
149.165.248.80/29
149.165.248.88/29
149.165.248.96/27
149.165.248.128/25
149.165.249.0/24
149.165.250.0/24
149.165.252.0/23
149.165.254.0/26
149.165.254.64/28
149.165.254.80/28
149.165.254.96/28
149.165.254.112/29
149.165.254.120/30
149.165.254.124/30
149.165.254.128/27
149.165.254.160/30
149.165.254.164/30
149.165.254.168/29
149.165.254.176/29
149.165.254.184/30
149.165.254.188/30
149.165.254.192/28
149.165.254.208/29
149.165.254.216/30
149.165.254.220/30
149.165.254.224/28
149.165.254.240/31
149.165.254.242/31
149.165.254.244/30
149.165.254.248/29
149.165.255.0/26
149.165.255.64/28
149.165.255.80/28
149.165.255.96/27
149.165.255.128/29
149.165.255.136/29
149.165.255.144/28
149.165.255.160/30
149.165.255.164/32
149.165.255.165/32
149.165.255.166/31
149.165.255.168/29
149.165.255.176/28
149.165.255.192/28
149.165.255.208/29
149.165.255.216/29
149.165.255.224/28
149.165.255.240/29
149.165.255.248/30
149.165.255.252/31
149.165.255.254/32
149.165.255.255/32
192.5.40.16/30
192.5.40.26/31
192.5.40.92/30
192.12.63.2/31
192.12.63.6/31
192.69.48.240/29
192.148.246.12/30
198.49.182.128/31
199.8.220.0/31
199.8.220.64/31
199.8.220.76/31
199.8.254.52/30
199.18.168.12/30
206.53.139.0/24
207.72.112.48/30

IPv6 prefixes

All 27 prefixes.

2001:18e8:10::/44
2001:18e8:20::/43
2001:18e8:40::/42
2001:18e8:80::/41
2001:18e8:100::/40
2001:18e8:200::/39
2001:18e8:500::/40
2001:18e8:600::/39
2001:18e8:810::/44
2001:18e8:820::/43
2001:18e8:840::/42
2001:18e8:880::/41
2001:18e8:900::/40
2001:18e8:a00::/39
2001:18e8:c00::/47
2001:18e8:c04::/46
2001:18e8:c08::/45
2001:18e8:c10::/44
2001:18e8:c20::/43
2001:18e8:c40::/42
2001:18e8:c80::/41
2001:18e8:d00::/40
2001:18e8:e00::/39
2001:18e8:1000::/36
2001:18e8:2000::/35
2001:18e8:4000::/34
2001:18e8:8000::/33

Other ASNs named Indiana University

3 other networks use the same organisation name; together with AS19782 they announce 722,230 IPv4 addresses.

ASNNameIPv4 addresses

AS87INDIANA-AS - Indiana University US622,848

AS27198INDIANA-EXTERNAL - Indiana University US66,816

AS10680IU-RESEARCH - Indiana University US10,236

Similar-sized networks in United States

ASNNameIPv4 addresses

AS22221#2037 NGIC-COMM - National General Management Corp.22,528

AS23481#2038 HCTC-LINK1 - Hill Country Telephone Cooperative, Inc.22,528

AS26356#2039 CRUSOE - CRUSOE ENERGY SYSTEMS LLC22,528

AS6185#2041 APPLE-AUSTIN - Apple Inc.22,272

AS3933#2042 OPEN - Oregon Public Education Network22,272

AS22051#2043 BTES-AS - Bristol Tennessee Essential Services22,272

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