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AS2553 Florida State University

FSU-AS - Florida State University · registered in the United States

IPv4 addresses196,33627 prefixes · 0.006% of announced IPv4
Rank in United States#342largest network in US by IPv4 space, of 18,338 · 0.01% of US
Rank worldwide#1,124of 79,396 networks with IPv4
IPv61 x /481 prefixes
CountryUnited States18,679 ASNs registered there
Open AS2553 in ASN lookup Look up an IP in this network (128.186.0.1) All networks in United States

IPv4 prefixes

All 27 prefixes, in address order.

  • 128.186.0.0/17
  • 128.186.128.0/18
  • 128.186.192.0/20
  • 128.186.208.0/21
  • 128.186.216.0/24
  • 128.186.217.16/28
  • 128.186.217.32/27
  • 128.186.217.64/26
  • 128.186.217.128/25
  • 128.186.218.0/23
  • 128.186.220.0/22
  • 128.186.224.0/19
  • 144.174.0.0/18
  • 144.174.64.0/19
  • 144.174.96.0/22
  • 144.174.100.0/22
  • 144.174.104.0/21
  • 144.174.112.0/20
  • 144.174.128.0/17
  • 146.201.0.0/17
  • 146.201.128.0/18
  • 146.201.192.0/20
  • 146.201.208.0/21
  • 146.201.216.0/23
  • 146.201.220.0/22
  • 146.201.224.0/19
  • 192.80.53.0/24

IPv6 prefixes

All 1 prefix.

  • 2607:f5d8:20::/48

Other ASNs named Florida State University

1 other network uses the same organisation name; together with AS2553 they announce 204,800 IPv4 addresses.

ASNNameIPv4 addresses
AS36843NORTHWEST-REGIONAL-DATACENTER - Florida State University US8,464

Similar-sized networks in United States

ASNNameIPv4 addresses
AS22390#339 XEROX-WB - XEROX CORPORATION196,608
AS340#340 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)196,352
AS5371#341 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)196,352
AS5653#343 UCSF - University of California San Francisco196,242
AS22351#344 INTELSAT-1 - INTELSAT GLOBAL SERVICE CORPORATION195,840
AS14051#345 SUREWEST - Fidium195,840

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