ASN Lookup Tool

Citylink Telecom Sp. z o.o. tbtelecom.pl PL PL 4 Routes

AS Data

AS51155

AS51155 – Citylink Telecom Sp. z o.o.

AS Number 51155
AS Name TBTELECOM
Organization Citylink Telecom Sp. z o.o. (org-ttsz1-ripe)
Country PL
Website tbtelecom.pl
Number of IPv4 Routes 3
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-06-09

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Use ASN data for AS51155 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
178.19.176.0/20 4096
2a02:26e8::/32 ~79×10²⁷
46.227.36.0/23 512
46.227.38.0/23 512

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS50893 - AS51311'

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

% Information related to 'AS51155'

% Abuse contact for 'AS51155' is 'ripe@tbtelecom.pl'

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

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)

Parsed Whois Response

Peers

AS Number Description Country
AS24482 SG.GS SG
AS34927 iFog GmbH CH
AS39249 Netassist International EOOD BG
AS206651 Telemedian Sp. z o.o. PL
AS49434 FBW NETWORKS SAS FR
AS6204 ZET.NET IP Transit RO
AS6939 Hurricane Electric LLC US
AS209823 Enki Multimedia EURL FR
AS8545 Equinix Poland Sp. z o.o. PL
AS215828 Tizian Maxime Weigt trading as TMW Global Networks DE
AS214762 Sebastian Stefanek trading as MatHost.eu PL
AS49559 A Systems Sp. z o.o. PL
AS56408 Gdansk Airport Sp. z o.o. PL
AS56373 WAVE FIBER Sp. z.o.o. PL
AS16342 Toya sp.z.o.o PL
AS36236 NetActuate, Inc US
AS8218 operated Upstreamnet gmbh FR
AS16276 OVH SAS FR
AS214757 Jakub Krsa CZ
AS201054 Stowarzyszenie e Poludnie PL
AS50629 LWLcom GmbH DE
AS6206 Netrouting B.V. NL
AS24940 Hetzner Online GmbH DE
AS3255 LLC EKSINTECH UA
AS41865 BIALL NET Sp. z o.o. PL
AS35320 Eurotranstelecom Ltd UA
AS51976 JP Telekom Sp z o.o. PL
AS29632 Netassist International EOOD BG
AS9002 RETN Limited GB
AS32590 Valve Corporation US
AS53062 ACESSOLINE TELECOMUNICACOES LTDA BR
AS57463 NetIX Communications JSC BG
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS174 Cogent Communications, LLC US
AS42295 TBISS Ltd BG
AS13194 UAB Bite Lietuva LT
AS8801 Rocket Fibre Ltd GB
AS48850 Stowarzyszenie e Poludnie PL
AS12912 T Mobile Polska S.A. PL
AS15169 Google LLC US
AS3356 Level 3 Parent, LLC US
AS9009 M247 Europe SRL RO
AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI TR
AS62000 SERVERD SAS FR
AS137409 GSL Networks Pty LTD AU
AS49544 i3D.net B.V NL
AS198408 E Mouse Karol Urbanowicz PL

Upstreams

AS Number Description Country
AS35320 Eurotranstelecom Ltd UA
AS29632 Netassist International EOOD BG
AS9002 RETN Limited GB
AS39249 Netassist International EOOD BG
AS6204 ZET.NET IP Transit RO
AS6939 Hurricane Electric LLC US
AS42295 TBISS Ltd BG
AS13194 UAB Bite Lietuva LT
AS8218 operated Upstreamnet gmbh FR
AS201054 Stowarzyszenie e Poludnie PL
AS50629 LWLcom GmbH DE
AS3356 Level 3 Parent, LLC US
AS9009 M247 Europe SRL RO
AS6206 Netrouting B.V. NL
AS62000 SERVERD SAS FR
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS41865 BIALL NET Sp. z o.o. PL
AS56408 Gdansk Airport Sp. z o.o. PL
AS51976 JP Telekom Sp z o.o. PL
AS206651 Telemedian Sp. z o.o. PL

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Frequently Asked Questions

ASN AS51155 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51155 is listed under Citylink Telecom Sp. z o.o..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.