Summary

Country
SI 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 22 years ago)
Updated April 09, 2025 (about 8 days 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
SI A1 Slovenija Telekomunikacijske STORITVE,D.D.
131,072 RIPE NCC ALLOCATED PA
46.122.64.0/21
SI A1SI-CGN
2,048 RIPE NCC ASSIGNED PA
46.122.96.0/21
SI A1SI-CGN
2,048 RIPE NCC ASSIGNED PA
46.164.0.0/18
SI Reverse Delegation for A1 Slovenija
16,384 RIPE NCC ASSIGNED PA
62.84.224.0/20
SI Dynamic Ip Pool Adsl
4,096 RIPE NCC ASSIGNED PA
80.95.224.0/20
SI A1 Slovenija
4,096 RIPE NCC ASSIGNED PA
85.10.0.0/19
SI Reverse Delegation for A1 Slovenija
8,192 RIPE NCC ASSIGNED PA
85.10.32.0/20
SI A1 Slovenija Telekomunikacijske STORITVE,D.D.
4,096 RIPE NCC ALLOCATED PA
90.157.128.0/17
SI Reverse Delegation for A1 Slovenija
32,768 RIPE NCC ASSIGNED PA
92.37.0.0/17
SI Reverse Delegation for A1 Slovenija
32,768 RIPE NCC ASSIGNED PA
94.127.24.0/21
SI A1 Slovenija
2,048 RIPE NCC ASSIGNED PA
109.239.176.0/20
SI A1 Slovenija
4,096 RIPE NCC ASSIGNED PA
146.212.0.0/16
SI A1 Slovenija
65,536 RIPE NCC ASSIGNED PA
185.28.8.0/22
SI Reverse Delegation for A1 Slovenija
1,024 RIPE NCC ASSIGNED PA
185.173.52.0/22
SI A1 Slovenija Telekomunikacijske STORITVE,D.D.
1,024 RIPE NCC ALLOCATED PA
188.64.24.0/21
SI A1 Slovenija
2,048 RIPE NCC ASSIGNED PA
212.18.32.0/19
SI Reverse Delegation for A1 Slovenija
8,192 RIPE NCC ASSIGNED PA
213.157.224.0/19
SI A1 Slovenija Telekomunikacijske STORITVE,D.D.
8,192 RIPE NCC ALLOCATED PA
Prefix Organization Size Registry Status
2001:15c0::/29
SI Network Infrastructure
6.3383× 1029 RIPE NCC ASSIGNED
2a00:1a20::/32
SI A1 Slovenija Telekomunikacijske STORITVE,D.D.
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR
2a00:1a20::/29
SI 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.

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