AS11206 Ferris State University

FSU-AS-1 - Ferris State University · registered in the United States

IPv4 addresses65,53639 prefixes · 0.002% of announced IPv4

Rank in United States#1,122largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,127of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11206 in ASN lookup Look up an IP in this network (161.57.0.1) All networks in United States

IPv4 prefixes

All 39 prefixes, in address order.

161.57.0.0/22
161.57.4.0/23
161.57.6.0/24
161.57.7.0/24
161.57.8.0/21
161.57.16.0/20
161.57.32.0/19
161.57.64.0/20
161.57.80.0/22
161.57.84.0/23
161.57.86.0/23
161.57.88.0/21
161.57.96.0/21
161.57.104.0/22
161.57.108.0/23
161.57.110.0/23
161.57.112.0/23
161.57.114.0/23
161.57.116.0/22
161.57.120.0/21
161.57.128.0/21
161.57.136.0/21
161.57.144.0/21
161.57.152.0/23
161.57.154.0/23
161.57.156.0/23
161.57.158.0/23
161.57.160.0/20
161.57.176.0/21
161.57.184.0/22
161.57.188.0/23
161.57.190.0/23
161.57.192.0/23
161.57.194.0/23
161.57.196.0/22
161.57.200.0/21
161.57.208.0/21
161.57.216.0/21
161.57.224.0/19

Similar-sized networks in United States

ASNNameIPv4 addresses

AS11101#1119 PRISMA HEALTH - Prisma Health65,536

AS11197#1120 DART-HITCH - Dartmouth-Hitchcock Medical Center65,536

AS11205#1121 CITY-OF-PHILADELPHIA - City of Philadelphia65,536

AS11214#1123 UNIVERSITY-OF-NORTH-FLORIDA - University of North Florida65,536

AS11309#1124 IMF - International Monetary Fund65,536

AS11417#1125 NIU - Northern Illinois University65,536

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