57723 MEDIATELEKOM - Media Telekom Sp. z o.o., PL
Adjacency: 6 Upstream: 2 Downstream: 4
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS3257 GTT-BACKBONE - GTT Communications Inc., US
Downstream Adjacent AS list
AS206421 ELNET - ELNET Krzysztof Tchorzewski, PL
AS201787 TechMedia-AS - TechMedia Sp. z o.o., PL
AS60421 UM-SIEDLCE - Urzad Miasta Siedlce, PL
AS48183 AP-AS - Uniwersytet Przyrodniczo Humanistyczny w Siedlcach, PL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 29163 AS57723 ORG+TRN Originate: 1792 /21.19 Transit: 1536 /21.42 MEDIATELEKOM - Media Telekom Sp. z o.o., PL
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 49868 AS57723 MEDIATELEKOM - Media Telekom Sp. z o.o., PL 4 0 0 4 0 0.00% Prefix AS Path Aggregation Suggestion 91.233.228.0/23 4608 7575 3356 57723 185.186.16.0/23 4608 7575 3356 57723 185.186.18.0/24 4777 2516 3257 57723 194.31.40.0/23 4608 7575 3356 57723
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS57723 2 More Specifics 4 Total Advertisements MEDIATELEKOM - Media Telekom Sp. z o.o., PL
185.186.16.0/23 185.186.16.0/22
185.186.18.0/24 185.186.16.0/22
whois: 402603
IANA has recorded AS57723 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS57723\n % 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.
% Information related to 'AS57370 - AS57973'
as-block: AS57370 - AS57973
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: 2025-04-24T14:15:44Z
last-modified: 2025-04-24T14:15:44Z
source: RIPE
% Information related to 'AS57723'
% Abuse contact for 'AS57723' is 'abuse@mediatelekom.pl'
aut-num: AS57723
as-name: MEDIATELEKOM
org: ORG-MTSZ2-RIPE
import: from AS47223 accept ANY
export: to AS47223 announce AS57723
import: from AS197447 accept ANY
export: to AS197447 announce AS57723
admin-c: MK19475-RIPE
tech-c: MK19475-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MEDIATELEKOM-MNT
mnt-by: ATMAN-MNT
created: 2012-01-25T08:53:15Z
last-modified: 2018-09-04T11:08:44Z
source: RIPE
organisation: ORG-MTSZ2-RIPE
org-name: Media Telekom Sp. z o.o.
country: PL
reg-nr: 147113865
org-type: LIR
address: Kosowska 28
address: 08-110
address: Siedlce
address: POLAND
phone: +48257948484
admin-c: MK20025-RIPE
tech-c: MK20025-RIPE
abuse-c: AR38929-RIPE
mnt-ref: MEDIATELEKOM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MEDIATELEKOM-MNT
created: 2017-01-13T08:25:15Z
last-modified: 2026-05-13T07:19:33Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)