AS1580
DoD Network Information Center
AS 1580 DNIC-ASBLK-01550-01601
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.
131,584 IP addresses
| ASN | 1580 |
|---|---|
| Name | DNIC-ASBLK-01550-01601 |
| Organization | DoD Network Information Center |
| Country | United States 
|
| Registry | ARIN |
| IPv4 addresses | 131,584 |
|---|---|
| IPv6 /64 networks | 0 |
| Prefixes | 4 |
Other ASN allocated to DoD Network Information Center
IPv4 Prefixes for AS1580
| Network | Location | Addresses | |
|---|---|---|---|
| 140.154.0.0/16 | DoD Network Information Center |  London |
65,536 |
| 147.35.0.0/16 | DoD Network Information Center | London |
65,536 |
| 215.65.26.0/24 | DoD Network Information Center | London |
256 |
| 215.65.27.0/24 | DoD Network Information Center | London |
256 |