AS51155 Citylink Telecom Sp. z o.o. 🇵🇱 PL

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

5,120 (20 × /24)

IPv6 prefixes

1 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

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

4 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS50893 - AS51311
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2024-12-10T14:54:30Z
last-modified:  2024-12-10T14:54:30Z
source:         RIPE

aut-num:        AS51155
as-name:        TBTELECOM
org:            ORG-TTSz1-RIPE
import:         from AS8545 accept ANY
import:         from AS174 accept ANY
import:         from AS48850 accept ANY
import:         from AS15169 accept ANY
export:         to AS8545 announce AS51155
export:         to AS174 announce AS51155
export:         to AS48850 announce AS-TBTELECOM-EPIX-OpenPeering
export:         to AS15169 announce AS51155:AS-CITYLINK-GOOGLE
admin-c:        MM52993-RIPE
tech-c:         MM52993-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS51155-MNT
created:        2010-06-09T13:24:47Z
last-modified:  2024-10-03T18:25:10Z
source:         RIPE

organisation:   ORG-TTSz1-RIPE
org-name:       Citylink Telecom Sp. z o.o.
country:        PL
reg-nr:         220926365
org-type:       LIR
address:        ul. Azymutalna 9
address:        80-298
address:        Gdansk
address:        POLAND
phone:          +48583217454
fax-no:         +48585551106
admin-c:        MM52993-RIPE
tech-c:         MM52993-RIPE
abuse-c:        AR16453-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS51155-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS51155-MNT
created:        2010-05-17T09:44:46Z
last-modified:  2026-05-13T07:33:09Z
source:         RIPE # Filtered

person:         Mariusz Muszynski
address:        ul. Azymutalna 9
address:        80-298 Gdansk
address:        POLAND
phone:          +48 58 3217450
nic-hdl:        MM52993-RIPE
mnt-by:         AS51155-MNT
created:        2020-07-01T09:58:21Z
last-modified:  2025-04-27T15:21:12Z
source:         RIPE