AS396133 Houston Zoo

HOUSTON-ZOO - Houston Zoo · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,052largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#77,909of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS396133 in ASN lookup Look up an IP in this network (66.85.21.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

66.85.21.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS396119#17049 AVERA-ECARE - AVERA MCKENNAN256

AS396127#17050 SUCCESS-ACADEMIES - Success Academy Charter Schools Inc.256

AS396131#17051 FERRE226-ARIN - Town of Hempstead256

AS396136#17053 ECHO-ATL1 - Echo Technologies, LLC256

AS396138#17054 DKM9-ARIN - The Reynolds and Reynolds Company256

AS396148#17055 DADDARIO - D'Addario & Company Inc.256

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