AS306 - United States Department of Defense (DoD)

Detailed information about the Autonomous System AS306:

API Url https://api.ipapi.is/?q=AS306
Status Active
Organization United States Department of Defense (DoD)
Description DNIC-ASBLK-00306-00371, US
Website defense.gov
Type government
Abuse E-Mail disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Whois https://api.ipapi.is/?whois=AS306
Created 1989-06-30
Updated 2025-09-12
Country US

IPv4 Prefixes

Currently, there are 542 IPv4 prefixes for AS306 - United States Department of Defense (DoD) in the database. This amounts to 9,460,736 IPv4 addresses that are hosted on this ASN. The following list shows the first 25 IPv4 prefixes of the ASN. To obtain all prefixes, please purchase the full database 

55.10.0.0/16
55.15.0.0/16
55.15.200.0/22
55.17.0.0/16
55.17.73.0/24
55.22.69.0/24
55.25.5.0/24
55.38.0.0/16
55.44.0.0/16
55.51.0.0/16
55.61.0.0/16
55.68.0.0/16
55.78.0.0/16
55.85.0.0/16
55.85.20.0/24
55.85.21.0/24
55.85.22.0/24
55.85.23.0/24
55.85.27.0/24
55.85.29.0/24
55.85.30.0/24
55.85.34.0/24
55.85.35.0/24
55.85.43.0/24
55.85.60.0/23

IPv6 Prefixes

Currently, there are 94 IPv6 prefixes for AS306 - United States Department of Defense (DoD) in the database. This amounts to 4,429,504,203,068,001,300,000,000,000 IPv6 addresses that are hosted on this ASN. The following list shows the first 25 IPv6 prefixes of the ASN. To obtain all prefixes, please purchase the full database 

2608:10a:1100::/40
2608:10a:2100::/40
2608:12a:2500::/40
2608:12a:7413::/48
2608:12a:7425::/48
2608:12a:7426::/48
2608:12a:7433::/48
2608:12a:7435::/48
2608:12a:7437::/48
2608:12a:7444::/48
2608:12a:7446::/48
2608:12a:7453::/48
2608:12a:7455::/48
2608:14a:7516::/48
2608:14a:7523::/48
2608:14a:7524::/48
2608:14a:7527::/48
2608:14a:7529::/48
2608:14a:7531::/48
2608:14a:7532::/48
2608:14a:7539::/48
2608:14a:7542::/48
2608:14a:7545::/48
2608:14a:7549::/48
2608:14a:7551::/48

Raw WHOIS Record - AS306 - United States Department of Defense (DoD)