AS4221
DoD Network Information Center
AS 4221 DNIC-ASBLK-04214-04221
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.
0 IP addresses
| ASN | 4221 |
|---|---|
| Name | DNIC-ASBLK-04214-04221 |
| Organization | DoD Network Information Center |
| Country | United States 
|
| Registry | ARIN |
| IPv4 addresses | 0 |
|---|---|
| IPv6 /64 networks | 217 |
| Prefixes | 2 |
Other ASN allocated to DoD Network Information Center
IPv6 Prefixes for AS4221
| Network | Location | /64 Prefixes | |
|---|---|---|---|
| 2001:480:52::/48 | DoD Network Information Center | Chicago |
216 |
| 2001:480:95::/48 | DoD Network Information Center | Chicago |
216 |