United States Department of Defense (dod)
AS348 — mail.mil
Summary
| Country |
 United States
|
| Organization | United States Department of Defense (dod) |
| Domain | mail.mil |
| Number of IPv4 | 76,800 |
| Number of IPv6 | 3.0949× 1026 |
| AS Type | Government |
| Registry | ARIN |
| Allocated | June 30, 1989 (about 37 years ago) |
| Updated | September 12, 2025 (about 1 year ago) |
IP Ranges
AS348 announces 37 IPv4 ranges and 1 IPv6 range.
That's a total of 76,800 IPv4 addresses and 3.0949× 1026 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 55.22.0.0/16 |
Headquarters, Usaisc
|
65,536 | ARIN | REALLOCATION |
| 55.22.0.0/21 |
Headquarters, Usaisc
|
2,048 | ARIN | REALLOCATION |
| 55.22.14.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.16.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.18.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.25.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.27.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.28.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.29.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.30.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.31.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.32.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.33.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.34.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.36.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.38.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.39.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.40.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.41.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.42.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.44.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.50.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.51.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.52.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.53.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.54.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.55.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.57.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.58.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.59.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.60.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.61.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.62.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.65.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.66.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.67.0/24 |
Headquarters, Usaisc
|
256 | ARIN | REALLOCATION |
| 55.22.252.0/23 |
Headquarters, Usaisc
|
512 | ARIN | REALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2608:14a:2700::/40 |
United States Department of Defense (dod)
|
3.0949× 1026 | ARIN | ALLOCATION |
Peers
AS348 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
AS348 connects to the global Internet via at least 1 upstream provider. In this setup, AS348 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS348 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS348's role in extending Internet access beyond its own infrastructure.