DoD Network Information Center

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.

ASN	317
Name	DNIC-ASBLK-00306-00371
Organization	DoD Network Information Center
Country	United States
Registry	ARIN

IPv4 addresses	69,632
IPv6 /64 networks	224
Prefixes	10

IPv4 Prefixes for AS317

Network		Location	Addresses
139.241.6.0/24	DoD Network Information Center	Columbus	256
139.242.53.0/24	DoD Network Information Center	Columbus	256
55.11.0.0/16	DoD Network Information Center	Columbus	65,536
55.11.144.0/23	DoD Network Information Center	Columbus	512
55.11.150.0/24	DoD Network Information Center	Ashburn	256
55.11.151.0/24	DoD Network Information Center	Columbus	256
55.11.152.0/21	DoD Network Information Center	Columbus	2,048
55.11.16.0/24	DoD Network Information Center	Ashburn	256
55.11.8.0/24	DoD Network Information Center	Ashburn	256

IPv6 Prefixes for AS317

Network		Location	/64 Prefixes
2608:14b:1700::/40	United States Department of Defense (DoD)	Columbus	224