AS8 Rice University

RICE-AS - Rice University · registered in the United States

IPv4 addresses462,33615 prefixes · 0.015% of announced IPv4

Rank in United States#175largest network in US by IPv4 space, of 18,338 · 0.03% of US

Rank worldwide#615of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS8 in ASN lookup Look up an IP in this network (128.42.0.1) All networks in United States

IPv4 prefixes

All 15 prefixes, in address order.

128.42.0.0/17
128.42.128.0/18
128.42.192.0/21
128.42.200.0/23
128.42.202.0/23
128.42.204.0/24
128.42.205.0/24
128.42.206.0/23
128.42.208.0/20
128.42.224.0/19
168.2.0.0/15
168.4.0.0/14
192.136.144.0/22
192.136.148.0/23
192.225.16.0/21

IPv6 prefixes

All 1 prefix.

2604:5e80::/32

Other ASNs named Rice University

2 other networks use the same organisation name; together with AS8 they announce 466,688 IPv4 addresses.

ASNNameIPv4 addresses

AS4557SOUTHEAST-TEXAS-GIGAPOP - Rice University US4,096

AS1700RICE-AS1700 - Rice University US256

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ASNNameIPv4 addresses

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AS394089#176 GCP-ENTERPRISE-USER-TRAFFIC - Google LLC460,032

AS40065#177 CNSERVERS - CNSERVERS LLC453,376

AS32934#178 FACEBOOK - Facebook, Inc.449,024

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