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Unclassified

Not enough sources, unclear purpose, or conflicting classifications

ASNs
87,658
69.5% of all ASNs
Routed ASNs
53,996
61.6% of this type
IPv4 addresses
915.4M
26.7% of global
IPv6 /48s
3.59B
29.0% of global

Routing data · Oct 26, 2026, 14:22 UTC

Unclassified ASN ranking

RankASNNameCountry/regionIPv4 addressesIPv6 /48sPrefixes
54351AS657United States Department of Defense (DoD)United States000
54352AS658United States Department of Defense (DoD)United States000
54353AS659United States Department of Defense (DoD)United States000
54354AS660United States Department of Defense (DoD)United States000
54355AS661United States Department of Defense (DoD)United States000
54356AS662United States Department of Defense (DoD)United States000
54357AS663United States Department of Defense (DoD)United States000
54358AS666Headquarters, USAISC (AS666)United States000
54359AS667United States Department of Defense (DoD)United States000
54360AS669RenaterEuropean Union000
54361AS671Headquarters, USAISCUnited States000
54362AS674American Information NetworkUnited States000
54363AS677Arizona State UniversityUnited States000
54364AS678United States Department of Defense (DoD)United States000
54365AS682Oak Ridge National LaboratoryUnited States000
54366AS684Bell CanadaCanada000
54367AS685NTT America, Inc.United States000
54368AS6867th Communications Group/GNEUnited States000
54369AS688U.S. Department of Interior Bureau of ReclamationUnited States000
54370AS689Merit Network Inc.United States000
54371AS690Verizon BusinessUnited States000
54372AS691University of Prince Edward IslandCanada000
54373AS694Headquarters, USAISCUnited States000
54374AS695SWITCH-TEST1Switzerland000
54375AS696SWITCH-TEST2Switzerland000
54376AS697IDDQD-ASEuropean Union000
54377AS699Amazon Technologies Inc.United States000
54378AS700The Boeing CompanyUnited States000
54379AS704Verizon BusinessUnited States000
54380AS705Verizon BusinessUnited States000
54381AS707Air Force Systems NetworkingUnited States000
54382AS708Sentinel Byte CommunityUnited States000
54383AS709IDDQD-ASEuropean Union000
54384AS710IDDQD-ASEuropean Union000
54385AS711Torrejon Air BaseSpain000
54386AS712IDDQD-ASEuropean Union000
54387AS713Air Force Systems NetworkingUnited States000
54388AS716Headquarters, USAISCUnited States000
54389AS717United States Department of Defense (DoD)United States000
54390AS718United States Department of Defense (DoD)United States000
54391AS720Air Force Systems NetworkingUnited States000
54392AS723United States Department of Defense (DoD)United States000
54393AS724United States Department of Defense (DoD)United States000
54394AS725United States Department of Defense (AS725)United States000
54395AS726United States Department of Defense (DoD)United States000
54396AS727Air Force Systems NetworkingUnited States000
54397AS728Air Force Systems NetworkingUnited States000
54398AS729Air Force Systems NetworkingUnited States000
54399AS730Air Force Systems NetworkingUnited States000
54400AS731Air Force Systems NetworkingUnited States000