AS21633

U.S. Department of the Interior

AS 21633 DOI-NBC-NET

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

4,608 IP addresses
ASN21633
NameDOI-NBC-NET
OrganizationU.S. Department of the Interior
CountryUnited States  
RegistryARIN
IPv4 addresses4,608
IPv6 /64 networks0
Prefixes4
Other ASN allocated to U.S. Department of the Interior
ASN Name IP addresses
22284 AS22284-DOI-OPS 1,425,408
IPv4 Prefixes for AS21633
Network Location Addresses
137.227.192.0/21 U.S. Department of the Interior   Washington D.C. (Northwest Washington) 2,048
137.227.96.0/21 U.S. Department of the Interior   Washington D.C. (Northwest Washington) 2,048
205.173.0.0/24 U.S. Department of the Interior   San Jose 256
205.173.4.0/24 U.S. Department of the Interior   Minneapolis 256