Summary

Country
PL Poland
Organization Citylink Telecom Sp. Z O.O.
Domain tbtelecom.pl
Number of IPv4 5,120
Number of IPv6 7.9228× 1028
AS Type ISP
Registry RIPE NCC
Allocated June 09, 2010 (about 15 years ago)
Updated October 03, 2024 (about 6 months ago)

IP Ranges

AS51155 announces 3 IPv4 ranges and 2 IPv6 ranges.

That's a total of 5,120 IPv4 addresses and 7.9228× 1028 IPv6 addresses.

Prefix Organization Size Registry Status
46.227.36.0/23
PL Telemedian Sp. Z O.O.
512 RIPE NCC ASSIGNED PA
46.227.38.0/23
PL Telemedian Sp. Z O.O.
512 RIPE NCC ASSIGNED PA
178.19.176.0/20
PL TBTELECOM
4,096 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2a02:26e8::/32
PL Tbnet Ipv6
7.9228× 1028 RIPE NCC ASSIGNED
2a10:f781:10:922a::/64
PL EPIX-LORA
1.8447× 1019 RIPE NCC ALLOCATED-BY-LIR

Peers

AS51155 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

AS51155 connects to the global Internet via at least 2 upstream providers. In this setup, AS51155 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS51155 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS51155's role in extending Internet access beyond its own infrastructure.

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