AS15937
ADIF — adif.es
Summary
| Country |
 Spain
|
| Organization | ADIF |
| Domain | adif.es |
| Number of IPv4 | 10,240 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | RIPE NCC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | September 04, 2018 (about 6 years ago) |
IP Ranges
AS15937 announces 3 IPv4 ranges and 0 IPv6 range.
That's a total of 10,240 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 213.144.32.0/19 |
Unidad De Servicios Informaticos De Adif
|
8,192 | RIPE NCC | ASSIGNED PA |
| 213.144.48.0/22 |
ADIF
|
1,024 | RIPE NCC | LIR-PARTITIONED PA |
| 213.144.52.0/22 |
ADIF
|
1,024 | RIPE NCC | ALLOCATED PA |
Peers
AS15937 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
AS15937 connects to the global Internet via at least 2 upstream providers. In this setup, AS15937 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS15937 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.