AS121 - United States Department of Defense (DoD)

Detailed information about the Autonomous System AS121:

API Url https://api.ipapi.is/?q=AS121
Status Active
Organization United States Department of Defense (DoD)
Description DNIC-AS-00121, US
Website defense.gov
Type government
Abuse E-Mail disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Whois https://api.ipapi.is/?whois=AS121
Created 1987-08-13
Updated 2025-09-12
Country US

IPv4 Prefixes

Currently, there are 12 IPv4 prefixes for AS121 - United States Department of Defense (DoD) in the database. This amounts to 19,456 IPv4 addresses that are hosted on this ASN. 

214.54.192.0/20
214.54.208.0/20
214.54.224.0/23
214.54.226.0/23
214.54.230.0/24
214.54.231.0/24
214.54.192.0/20
214.54.208.0/20
214.54.224.0/23
214.54.226.0/23
214.54.230.0/24
214.54.231.0/24

IPv6 Prefixes

Currently, there are 0 IPv6 prefixes for AS121 - United States Department of Defense (DoD) in the database. This amounts to 0 IPv6 addresses that are hosted on this ASN. 

No IPv6 Prefixes for this ASN

Raw WHOIS Record - AS121 - United States Department of Defense (DoD)