AS11164 Internet2

INTERNET2-I2PX - Internet2 · registered in the United States

IPv4 addresses2,3048 prefixes · <0.001% of announced IPv4

Rank in United States#5,824largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,721of 79,396 networks with IPv4

IPv66 x /487 prefixes

CountryUnited States18,679 ASNs registered there

Open AS11164 in ASN lookup Look up an IP in this network (64.57.20.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

64.57.20.0/23
64.57.29.0/24
163.253.18.0/24
163.253.76.0/24
163.253.78.0/24
163.253.81.0/24
163.253.82.0/24
198.71.47.0/24

IPv6 prefixes

All 7 prefixes.

2001:468:2f06::/48
2001:468:2f08::/48
2001:468:2f0b::/48
2001:468:2f0c::/48
2001:468:f000::/48
2001:468:f001:4::/126
2001:468:f0ff::/48

Other ASNs named Internet2

4 other networks use the same organisation name; together with AS11164 they announce 17,152 IPv4 addresses.

ASNNameIPv4 addresses

AS11537INTERNET2-RESEARCH-EDU - Internet2 US7,992

AS396955INTERNET2-BLEND - Internet2 US3,784

AS396961INTERNET2-OSG - Internet2 US1,536

AS62775INTERNET2-ISS - Internet2 US1,536

Similar-sized networks in United States

ASNNameIPv4 addresses

AS63420#5821 NETACTUATE - NetActuate, Inc2,304

AS25671#5822 AIRENET-NUEVO-CA - Wholesale Air-time Inc.2,304

AS62672#5823 STREAMWIDE-INC - Streamwide Inc.2,304

AS62571#5825 IMPERVA-INC-US-SJ-COLO - IMPERVA INC2,304

AS62744#5826 QUINTEX - Quintex Alliance Consulting2,304

AS13607#5827 INTUITIVE-ENG - Intuitive Surgical Operations, Inc.2,304

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