AS10561 Brandeis University

BRANDEIS - Brandeis University · registered in the United States

IPv4 addresses65,5368 prefixes · 0.002% of announced IPv4

Rank in United States#1,114largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,119of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS10561 in ASN lookup Look up an IP in this network (129.64.0.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

129.64.0.0/17
129.64.128.0/18
129.64.192.0/19
129.64.224.0/20
129.64.240.0/21
129.64.248.0/23
129.64.250.0/23
129.64.252.0/22

Similar-sized networks in United States

ASNNameIPv4 addresses

AS7849#1111 APC-CC - RingSquared CC65,536

AS10357#1112 JMUNET - James Madison University65,536

AS10448#1113 VILLANOVA-UNIV - Villanova University65,536

AS10631#1115 GSU10631 - Georgia State University65,536

AS10662#1116 NORFOLK-SOUTHERN - Norfolk Southern Corporation65,536

AS10849#1117 DCCCD - Dallas College65,536

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