AS51155
Citylink Telecom Sp. Z O.O. — tbtelecom.pl
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Summary
| Country |
 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 1 year 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 |
Telemedian Sp. Z O.O.
|
512 | RIPE NCC | ASSIGNED PA |
| 46.227.38.0/23 |
Telemedian Sp. Z O.O.
|
512 | RIPE NCC | ASSIGNED PA |
| 178.19.176.0/20 |
Citylink Telecom Sp. Z O.O.
|
4,096 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a02:26e8::/32 |
Tbnet Ipv6
|
7.9228× 1028 | RIPE NCC | ASSIGNED |
| 2a10:f781:10:922a::/64 |
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.