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	328
Name	DNIC-ASBLK-00306-00371
Organization	DoD Network Information Center
Country	United States
Registry	ARIN

IPv4 addresses	68,096
IPv6 /64 networks	0
Prefixes	10

IPv4 Prefixes for AS328

Network		Location	Addresses
55.53.0.0/16	DoD Network Information Center	Columbus	65,536
55.53.192.0/24	DoD Network Information Center	Ashburn	256
55.53.193.0/24	DoD Network Information Center	Columbus	256
55.53.194.0/24	DoD Network Information Center	Columbus	256
55.53.195.0/24	DoD Network Information Center	Columbus	256
55.53.196.0/24	DoD Network Information Center	Columbus	256
55.53.198.0/23	DoD Network Information Center	Ashburn	512
55.53.202.0/24	DoD Network Information Center	Ashburn	256
55.53.206.0/24	DoD Network Information Center	Ashburn	256
55.53.208.0/24	DoD Network Information Center	Columbus	256