Autonomous System details
AS257
Navy Network Information Center (nnic) — mail.mil
Summary
| Country |
 United States
|
| Organization | Navy Network Information Center (nnic) |
| Domain | mail.mil |
| Number of IPv4 | 972 |
| Number of IPv6 | 1.2089× 1024 |
| AS Type | Government |
| Registry | ARIN |
| Allocated | December 22, 1988 (about 36 years ago) |
| Updated | July 05, 2011 (about 13 years ago) |
IP Ranges
AS257 announces 10 IPv4 ranges and 1 IPv6 range.
That's a total of 972 IPv4 addresses and 1.2089× 1024 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 137.164.24.188/31 |
CENIC
|
2 | ARIN | ALLOCATION |
| 137.164.50.148/30 |
CENIC
|
4 | ARIN | ALLOCATION |
| 137.164.50.252/30 |
CENIC
|
4 | ARIN | ALLOCATION |
| 204.102.228.0/25 |
Naval Postgraduate School
|
128 | ARIN | REASSIGNMENT |
| 204.102.228.128/25 |
Naval Postgraduate School
|
128 | ARIN | REASSIGNMENT |
| 204.102.229.0/24 |
Naval Postgraduate School
|
256 | ARIN | REASSIGNMENT |
| 204.102.230.112/31 |
CENIC
|
2 | ARIN | ALLOCATION |
| 205.155.65.0/24 |
CENIC
|
256 | ARIN | ALLOCATION |
| 209.129.248.0/25 |
CENIC
|
128 | ARIN | ALLOCATION |
| 209.129.248.192/26 |
CENIC
|
64 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2607:f380:804::/48 |
CENIC
|
1.2089× 1024 | ARIN | ALLOCATION |
Peers
There is no peer for AS257.
Downstreams
There is no downstream for AS257.