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AS3112 OARnet

OARNET-AS-1 - OARnet · registered in the United States

IPv4 addresses10,01223 prefixes · <0.001% of announced IPv4
Rank in United States#2,953largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#9,081of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 23 prefixes, in address order.

  • 131.187.185.0/27
  • 157.134.240.0/21
  • 192.88.191.0/24
  • 192.88.192.0/24
  • 192.148.242.0/24
  • 192.148.246.0/29
  • 192.148.246.8/30
  • 192.148.246.16/28
  • 192.148.246.32/27
  • 192.148.246.64/26
  • 192.148.246.128/25
  • 198.30.88.0/23
  • 198.30.183.0/24
  • 199.18.14.0/24
  • 199.18.53.0/24
  • 199.18.139.0/24
  • 199.18.242.0/24
  • 205.133.216.0/21
  • 206.21.56.0/24
  • 206.21.57.0/24
  • 206.21.58.0/23
  • 206.21.60.0/22
  • 206.244.164.0/22

Other ASNs named OARnet

2 other networks use the same organisation name; together with AS3112 they announce 911,096 IPv4 addresses.

ASNNameIPv4 addresses
AS600OARNET-AS - OARnet US899,548
AS13501OARNET-AS-2 - OARnet US1,536

Similar-sized networks in United States

ASNNameIPv4 addresses
AS63457#2950 EMPIRE-CONNECT - Liberty Connect10,240
AS398242#2951 PCEPA - Prentiss County Electric Power Association10,240
AS10680#2952 IU-RESEARCH - Indiana University10,236
AS54058#2954 RAKUTEN - Rakuten Inc9,984
AS10947#2955 WERCS-NET - Mountain West Technologies Corporation9,984
AS11045#2956 STERLING - Sterling Communications, Inc.9,984

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