AS21283
A1 Slovenija Telekomunikacijske STORITVE,D.D. — a1.si
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Summary
| Country |
 Slovenia
|
| Organization | A1 Slovenija Telekomunikacijske STORITVE,D.D. |
| Domain | a1.si |
| Number of IPv4 | 329,728 |
| Number of IPv6 | 1.3469× 1030 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | September 20, 2002 (about 23 years ago) |
| Updated | June 23, 2025 (about 4 months ago) |
IP Ranges
AS21283 announces 18 IPv4 ranges and 3 IPv6 ranges.
That's a total of 329,728 IPv4 addresses and 1.3469× 1030 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 46.122.0.0/15 |
A1 Slovenija Telekomunikacijske STORITVE,D.D.
|
131,072 | RIPE NCC | ALLOCATED PA |
| 46.122.64.0/21 |
A1SI-CGN
|
2,048 | RIPE NCC | ASSIGNED PA |
| 46.122.96.0/21 |
A1SI-CGN
|
2,048 | RIPE NCC | ASSIGNED PA |
| 46.164.0.0/18 |
Reverse Delegation for A1 Slovenija
|
16,384 | RIPE NCC | ASSIGNED PA |
| 62.84.224.0/20 |
Dynamic Ip Pool Adsl
|
4,096 | RIPE NCC | ASSIGNED PA |
| 80.95.224.0/20 |
A1 Slovenija
|
4,096 | RIPE NCC | ASSIGNED PA |
| 85.10.0.0/19 |
Reverse Delegation for A1 Slovenija
|
8,192 | RIPE NCC | ASSIGNED PA |
| 85.10.32.0/20 |
A1 Slovenija Telekomunikacijske STORITVE,D.D.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 90.157.128.0/17 |
Reverse Delegation for A1 Slovenija
|
32,768 | RIPE NCC | ASSIGNED PA |
| 92.37.0.0/17 |
Reverse Delegation for A1 Slovenija
|
32,768 | RIPE NCC | ASSIGNED PA |
| 94.127.24.0/21 |
A1 Slovenija
|
2,048 | RIPE NCC | ASSIGNED PA |
| 109.239.176.0/20 |
A1 Slovenija
|
4,096 | RIPE NCC | ASSIGNED PA |
| 146.212.0.0/16 |
A1 Slovenija
|
65,536 | RIPE NCC | ASSIGNED PA |
| 185.28.8.0/22 |
Reverse Delegation for A1 Slovenija
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.173.52.0/22 |
A1 Slovenija Telekomunikacijske STORITVE,D.D.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 188.64.24.0/21 |
A1 Slovenija
|
2,048 | RIPE NCC | ASSIGNED PA |
| 212.18.32.0/19 |
Reverse Delegation for A1 Slovenija
|
8,192 | RIPE NCC | ASSIGNED PA |
| 213.157.224.0/19 |
A1 Slovenija Telekomunikacijske STORITVE,D.D.
|
8,192 | RIPE NCC | ALLOCATED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:15c0::/29 |
Network Infrastructure
|
6.3383× 1029 | RIPE NCC | ASSIGNED |
| 2a00:1a20::/32 |
A1 Slovenija Telekomunikacijske STORITVE,D.D.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a00:1a20::/29 |
A1 Slovenija Telekomunikacijske STORITVE,D.D.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS21283 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
AS21283 connects to the global Internet via at least 2 upstream providers. In this setup, AS21283 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS21283 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS21283's role in extending Internet access beyond its own infrastructure.