51920 VIVACOM, HU
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS30836 NET23-AS, HU
AS6939 HURRICANE, US
AS9002 RETN-AS, GB
Downstream Adjacent AS list
AS206361 AS-TAMANET, HU
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 14317 AS51920 ORIGIN Originate: 5888 /19.48 Transit: 0 /0.00 VIVACOM, 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 % 23609 AS51920 VIVACOM, HU 8 2 1 7 1 12.50% Prefix AS Path Aggregation Suggestion 45.9.200.0/22 3303 51920 45.66.200.0/22 3303 51920 45.136.120.0/22 3303 51920 185.92.116.0/22 3303 51920 185.188.56.0/23 3303 51920 + Announce - aggregate of 185.188.56.0/24 (3303 51920) and 185.188.57.0/24 (3303 51920) 185.188.56.0/24 3303 51920 - Withdrawn - aggregated with 185.188.57.0/24 (3303 51920) 185.188.57.0/24 3303 51920 - Withdrawn - aggregated with 185.188.56.0/24 (3303 51920) 185.188.58.0/24 3303 51920 185.220.188.0/22 3303 51920
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51920 3 More Specifics 8 Total Advertisements VIVACOM, HU
185.188.56.0/24 185.188.56.0/22
185.188.57.0/24 185.188.56.0/22
185.188.58.0/24 185.188.56.0/22
whois: 402590
IANA has recorded AS51920 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51920\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 'AS51857 - AS52209'
as-block: AS51857 - AS52209
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: 2024-12-12T14:34:06Z
last-modified: 2024-12-12T14:34:06Z
source: RIPE
% Information related to 'AS51920'
% Abuse contact for 'AS51920' is 'bodecsb@vivanet.hu'
aut-num: AS51920
as-name: vivacom
org: ORG-VMK5-RIPE
import: from AS12594 accept ANY
export: to AS12594 announce AS51920
import: from AS30836 accept ANY
export: to AS30836 announce AS51920
import: from AS5507 accept ANY
export: to AS5507 announce AS51920
admin-c: BB8695-RIPE
tech-c: BB8695-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: VIVACOM-MNT
created: 2018-05-02T14:10:31Z
last-modified: 2018-09-04T12:13:38Z
source: RIPE
organisation: ORG-VMK5-RIPE
org-name: VIVACOM Magyarorszag Kft
country: HU
reg-nr: 13-09-118877
org-type: LIR
address: Lakatos utca 46.
address: 2030
address: Erd
address: HUNGARY
phone: +3616901600
phone: +36309912050
abuse-c: AC28794-RIPE
mnt-ref: VIVACOM-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: VIVACOM-MNT
created: 2015-03-10T11:01:06Z
last-modified: 2026-05-13T07:22:48Z
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)