AS33350 Arizona Public Service Company

APS---ARIZONA-PUBLIC-SERVICE-CORPORATION - Arizona Public Service Company · registered in the United States

IPv4 addresses1,5365 prefixes · <0.001% of announced IPv4

Rank in United States#7,061largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#26,652of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS33350 in ASN lookup Look up an IP in this network (137.91.0.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

137.91.0.0/24
137.91.5.0/24
137.91.11.0/24
137.91.102.0/23
137.91.114.0/24

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AS33614#7063 CITY-OF-SAN-DIEGO - City of San Diego1,536

AS33633#7064 USG-CORPORATION - USG Corporation, Inc.1,536

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