AS51155 Citylink Telecom Sp. z o.o. 🇵🇱 PL
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
5,120 (20 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
5
ASes reachable through it
Registry and operator data
- AS number
- AS51155
- Name
- Citylink Telecom Sp. z o.o.
- Organisation
- Citylink Telecom
- Country
- 🇵🇱 PL
- RIR
- RIPENCC
- Allocated
- 2010-06-09
- Network type
- Cable/DSL/ISP
- Scope
- Not Disclosed
- Peering policy
- Open
- IRR as-set
- AS-TBTELECOM-EQUINIX
- Website
- http://www.citylink.pl/
- PeeringDB
- net/19368
- Exchanges
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 46.227.36.0/23 v4 | RPKI valid | 42 | 3492751155 | 2026-09-18 |
| 46.227.38.0/23 v4 | RPKI valid | 42 | 3492751155 | 2026-09-18 |
| 178.19.176.0/20 v4 | RPKI valid | 42 | 3492751155 | 2026-09-18 |
| 2a02:26e8::/32 v6 | RPKI valid | 37 | 693951155 | 2026-09-18 |