51843 TATA-HU-AS - Tata Consultancy Services Limited Magyarorszagi Fioktelepe, HU
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS12301 Invitech - Invitech ICT Services Kft., HU
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 50809 AS51843 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 TATA-HU-AS - Tata Consultancy Services Limited Magyarorszagi Fioktelepe, HU
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 % 23549 AS51843 TATA-HU-AS - Tata Consultancy Services Limite 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 91.120.250.0/23 4777 2516 1299 12301 51843 + Announce - aggregate of 91.120.250.0/24 (4777 2516 1299 12301 51843) and 91.120.251.0/24 (4777 2516 1299 12301 51843) 91.120.250.0/24 4777 2516 1299 12301 51843 - Withdrawn - aggregated with 91.120.251.0/24 (4777 2516 1299 12301 51843) 91.120.251.0/24 4777 2516 1299 12301 51843 - Withdrawn - aggregated with 91.120.250.0/24 (4777 2516 1299 12301 51843)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51843 2 More Specifics 2 Total Advertisements TATA-HU-AS - Tata Consultancy Services Limited Magyarorszagi Fioktelepe, HU
91.120.250.0/24 91.120.0.0/16
91.120.251.0/24 91.120.0.0/16
whois: 402609
IANA has recorded AS51843 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51843\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 'AS51819 - AS51843'
as-block: AS51819 - AS51843
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: 2026-02-02T15:31:00Z
last-modified: 2026-02-02T15:31:00Z
source: RIPE
% Information related to 'AS51843'
% Abuse contact for 'AS51843' is 'abuse@telekom.hu'
aut-num: AS51843
as-name: TATA-HU-AS
org: ORG-TCSL5-RIPE
import: from AS3340 action pref=100; accept ANY
export: to AS3340 announce AS51843
import: from AS12301 action pref=100; accept ANY
export: to AS12301 announce AS51843
admin-c: VO599-RIPE
admin-c: MTRA-RIPE
tech-c: VO599-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: TATA-HU-MNT
mnt-by: MTELEKOM-MNT
created: 2010-11-15T11:48:33Z
last-modified: 2021-10-21T15:29:29Z
source: RIPE
sponsoring-org: ORG-HTM1-RIPE
organisation: ORG-TCSL5-RIPE
org-name: Tata Consultancy Services Limited Magyarorszagi Fioktelepe
country: HU
reg-nr: 01-17-000295
org-type: OTHER
address: Irinyi Jozsef utca 4-20.
address: Science Park B, 1st Floor
address: H-1117 Budapest
address: Hungary
phone: +36 1 8868000
fax-no: +36 1 8868001
abuse-c: AR25861-RIPE
admin-c: VO599-RIPE
tech-c: VO599-RIPE
mnt-ref: TATA-HU-MNT
mnt-by: TATA-HU-MNT
mnt-by: MTELEKOM-MNT
created: 2010-11-09T10:48:09Z
last-modified: 2026-05-13T06:17:11Z
source: RIPE # Filtered
role: Magyar Telekom RIPE Administrator
address: Budapest, Hungary
admin-c: DB2380-RIPE
admin-c: MK1117-RIPE
admin-c: TIBA-RIPE
nic-hdl: MTRA-RIPE
abuse-mailbox: abuse@telekom.hu
mnt-by: MTELEKOM-MNT
created: 2013-10-13T19:58:47Z
last-modified: 2021-10-20T11:49:15Z
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 (SHETLAND)