AS21633
U.S. Department of The Interior — doi.gov
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Summary
| Country |
 United States
|
| Organization | U.S. Department of The Interior |
| Domain | doi.gov |
| Number of IPv4 | 4,608 |
| Number of IPv6 | 0 |
| AS Type | Government |
| Registry | ARIN |
| Allocated | June 01, 2001 (about 25 years ago) |
| Updated | November 17, 2023 (about 2 years ago) |
IP Ranges
AS21633 announces 4 IPv4 ranges and 0 IPv6 range.
That's a total of 4,608 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 137.227.96.0/21 |
U.S. Department of The Interior
|
2,048 | ARIN | ALLOCATION |
| 137.227.192.0/21 |
U.S. Department of The Interior
|
2,048 | ARIN | ALLOCATION |
| 205.173.0.0/24 |
U.S. Department of The Interior
|
256 | ARIN | ALLOCATION |
| 205.173.4.0/24 |
U.S. Department of The Interior
|
256 | ARIN | ALLOCATION |
Peers
AS21633 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS21633 connects to the global Internet via at least 1 upstream provider. In this setup, AS21633 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS21633 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.