AS398091 zx4.com

ZX4 - zx4.com · registered in the United States

IPv4 addresses1,0242 prefixes · <0.001% of announced IPv4

Rank in United States#8,947largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#42,317of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS398091 in ASN lookup Look up an IP in this network (64.140.172.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

64.140.172.0/23
64.185.238.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS397993#8944 AXA-GROUP-OPERATIONS - AXA GROUP OPERATIONS AMERICAS INC.1,024

AS398029#8945 AQUATIC-PUBLIC-01 - Aquatic Group LLC1,024

AS398068#8946 ACSC1002 - Automobile Club of Southern California1,024

AS398118#8948 VITANET-DATA - Commonwealth of Virginia Office of the Attorney General1,024

AS398158#8949 CRAA-ASN-01 - Columbus Regional Airport Authority1,024

AS398159#8950 RICEBELT-1 - RICE BELT TELEPHONE CO., INC.1,024

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