AS4211 Maricopa County Government

ASN-MARICOPA1 - Maricopa County Government · registered in the United States

IPv4 addresses14,3363 prefixes · <0.001% of announced IPv4

Rank in United States#2,518largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#7,555of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS4211 in ASN lookup Look up an IP in this network (156.42.0.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

156.42.0.0/19
156.42.192.0/20
156.42.216.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS4015#2515 CENTURYLINK-LEGACY-QWEST-SPA-OMAHA - CenturyLink Communications, LLC14,336

AS1208#2516 DNIC-AS-01208 - United States Department of Defense (DoD)14,336

AS1423#2517 RAINBOW-RTCA - Rainbow Communications, L.L.C.14,336

AS11516#2519 ASN-ESB - Eastern Suffolk BOCES14,336

AS14755#2520 MHO - MHO Networks14,336

AS22878#2521 ASACENET1 - ACENET, INC.14,336

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