AS337
United States Department of Defense (dod) — mail.mil
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Summary
| Country |
 United States
|
| Organization | United States Department of Defense (dod) |
| Domain | mail.mil |
| Number of IPv4 | 85,760 |
| Number of IPv6 | 0 |
| AS Type | Government |
| Registry | ARIN |
| Allocated | June 30, 1989 (about 36 years ago) |
| Updated | September 12, 2025 (about 26 days ago) |
IP Ranges
AS337 announces 63 IPv4 ranges and 0 IPv6 range.
That's a total of 85,760 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 55.188.0.0/16 |
Headquarters, Usaisc
|
65,536 | ARIN | REALLOCATION |
| 55.188.32.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.96.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.98.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.100.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.101.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.102.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.103.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.104.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.106.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.107.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.108.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.111.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.112.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.115.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.116.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.118.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.120.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.128.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.132.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.133.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.134.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.135.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.136.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.137.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.138.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.139.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.140.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.141.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.160.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.162.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.164.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.165.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.169.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.170.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.171.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.174.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.187.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.188.0/22 |
Headquarters, Usaisc
|
1,024 | ARIN | REALLOCATION |
| 55.188.192.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.194.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.196.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.198.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.199.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.200.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.201.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.202.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.204.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.205.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.206.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.207.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.208.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.210.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.224.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.226.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| 55.188.228.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.231.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.232.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.234.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.235.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.236.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.188.239.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 139.242.14.0/23 |
Dod Network Information Center
|
512 | ARIN | REALLOCATION |
Peers
AS337 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS337 connects to the global Internet via at least 2 upstream providers. In this setup, AS337 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS337 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.