AS1555
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 | 66,304 |
| Number of IPv6 | 0 |
| AS Type | Government |
| Registry | ARIN |
| Allocated | April 03, 2006 (about 19 years ago) |
| Updated | September 12, 2025 (about 26 days ago) |
IP Ranges
AS1555 announces 4 IPv4 ranges and 0 IPv6 range.
That's a total of 66,304 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 136.210.0.0/16 |
Headquarters, Usaisc
|
65,536 | ARIN | REALLOCATION |
| 139.139.99.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 143.86.204.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 144.105.249.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
Peers
AS1555 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
AS1555 connects to the global Internet via at least 1 upstream provider. In this setup, AS1555 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS1555 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS1555's role in extending Internet access beyond its own infrastructure.