AS4221 - United States Department of Defense (DoD)

Detailed information about the Autonomous System AS4221:

API Url https://api.ipapi.is/?q=AS4221
Status Active
Organization United States Department of Defense (DoD)
Description DNIC-ASBLK-04214-04221, US
Website defense.gov
Type government
Abuse E-Mail disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Whois https://api.ipapi.is/?whois=AS4221
Created 1995-01-09
Updated 2025-09-12
Country US

IPv4 Prefixes

Currently, there are 0 IPv4 prefixes for AS4221 - United States Department of Defense (DoD) in the database. This amounts to 0 IPv4 addresses that are hosted on this ASN. 

No IPv4 Prefixes for this ASN

IPv6 Prefixes

Currently, there are 4 IPv6 prefixes for AS4221 - United States Department of Defense (DoD) in the database. This amounts to 4,835,703,278,458,517,000,000,000 IPv6 addresses that are hosted on this ASN. 

2001:480:52::/48
2001:480:95::/48
2001:480:52::/48
2001:480:95::/48

Raw WHOIS Record - AS4221 - United States Department of Defense (DoD)