AS159 Ohio State University

OSUNET-AS - Ohio State University · registered in the United States

IPv4 addresses198,4007 prefixes · 0.006% of announced IPv4

Rank in United States#325largest network in US by IPv4 space, of 18,338 · 0.01% of US

Rank worldwide#1,096of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS159 in ASN lookup Look up an IP in this network (128.146.0.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

128.146.0.0/16
140.254.0.0/16
164.107.0.0/16
192.12.205.0/24
192.68.143.0/24
192.153.26.0/24
198.30.200.0/22

IPv6 prefixes

All 1 prefix.

2620:0:1a10::/48

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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