AS11205 City of Philadelphia

CITY-OF-PHILADELPHIA - City of Philadelphia · registered in the United States

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,121largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,126of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11205 in ASN lookup Look up an IP in this network (170.115.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

170.115.0.0/16

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ASNNameIPv4 addresses

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AS11206#1122 FSU-AS-1 - Ferris State University65,536

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

AS11309#1124 IMF - International Monetary Fund65,536

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