
51013 WEBSUPPORT-SRO-SK-AS, SK
Adjacency: 6 Upstream: 5 Downstream: 1
Upstream Adjacent AS list
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS6939 HURRICANE, US
AS199803 COMSOURCE, CZ
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS174 COGENT-174, US
Downstream Adjacent AS list
AS25234 ACTIVE24-AS www.active24.cz, CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9521 AS51013 ORIGIN Originate: 11776 /18.48 Transit: 0 /0.00 WEBSUPPORT-SRO-SK-AS, SK
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 % 4767 AS51013 WEBSUPPORT-SRO-SK-AS, SK 25 13 2 14 11 44.00% Prefix AS Path Aggregation Suggestion 37.9.168.0/21 6939 51013 37.9.168.0/24 6939 199803 51013 37.9.175.0/24 6939 51013 - Withdrawn - matching aggregate 37.9.168.0/21 6939 51013 45.13.137.0/24 6939 51013 45.138.185.0/24 6939 51013 81.95.108.0/23 6939 51013 + Announce - aggregate of 81.95.108.0/24 (6939 51013) and 81.95.109.0/24 (6939 51013) 81.95.108.0/24 6939 51013 - Withdrawn - aggregated with 81.95.109.0/24 (6939 51013) 81.95.109.0/24 6939 51013 - Withdrawn - aggregated with 81.95.108.0/24 (6939 51013) 92.118.24.0/22 6939 51013 92.118.24.0/24 6939 51013 - Withdrawn - matching aggregate 92.118.24.0/22 6939 51013 92.118.26.0/24 6939 51013 - Withdrawn - matching aggregate 92.118.24.0/22 6939 51013 92.118.27.0/24 6939 51013 - Withdrawn - matching aggregate 92.118.24.0/22 6939 51013 185.87.12.0/22 6939 51013 185.87.13.0/24 2914 174 51013 185.87.15.0/24 6939 51013 - Withdrawn - matching aggregate 185.87.12.0/22 6939 51013 185.111.88.0/22 6939 51013 185.111.88.0/24 6939 51013 - Withdrawn - matching aggregate 185.111.88.0/22 6939 51013 185.111.89.0/24 6939 51013 - Withdrawn - matching aggregate 185.111.88.0/22 6939 51013 185.140.108.0/24 6939 51013 193.32.232.0/22 6939 51013 + Announce - aggregate of 193.32.232.0/23 (6939 51013) and 193.32.234.0/23 (6939 51013) 193.32.232.0/24 6939 51013 - Withdrawn - aggregated with 193.32.233.0/24 (6939 51013) 193.32.233.0/24 6939 51013 - Withdrawn - aggregated with 193.32.232.0/24 (6939 51013) 193.32.234.0/24 6939 51013 - Withdrawn - aggregated with 193.32.235.0/24 (6939 51013) 193.32.235.0/24 6939 51013 - Withdrawn - aggregated with 193.32.234.0/24 (6939 51013) 195.210.28.0/23 6939 51013 213.188.152.0/22 6939 51013 213.188.156.0/23 6939 51013
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51013 7 More Specifics 12 Total Advertisements WEBSUPPORT-SRO-SK-AS, SK
37.9.175.0/24 37.9.168.0/21
45.138.184.0/24 45.138.184.0/22
185.87.13.0/24 185.87.12.0/22
185.140.108.0/24 185.140.108.0/22
193.32.235.0/24 193.32.232.0/22
213.188.152.0/22 213.188.128.0/19
213.188.156.0/23 213.188.128.0/19
37.9.168.0/24 37.9.168.0/21
45.138.185.0/24 45.138.184.0/22
81.95.108.0/24 81.95.96.0/20
185.111.89.0/24 185.111.88.0/22
185.111.90.0/24 185.111.88.0/22
185.111.91.0/24 185.111.88.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 37.9.168.0/24 Withdrawn
- 45.138.185.0/24 Withdrawn
- 81.95.108.0/24 Withdrawn
- 185.111.89.0/24 Withdrawn
- 185.111.90.0/24 Withdrawn
- 185.111.91.0/24 Withdrawn
whois: 402590
IANA has recorded AS51013 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51013\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 '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 'AS51013'
% Abuse contact for 'AS51013' is 'abuse@websupport.sk'
aut-num: AS51013
as-name: WEBSUPPORT-SRO-SK-AS
org: ORG-Ws58-RIPE
import: from AS42005 accept ANY
import: from AS1299 accept ANY
import: from AS174 accept ANY
export: to AS42005 announce AS51013
export: to AS199803 announce AS51013
export: to AS174 announce AS51013
export: to AS1299 announce AS51013
admin-c: WsH7-RIPE
tech-c: WsH7-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: mnt-sk-websupport2-1
created: 2010-05-17T12:07:32Z
last-modified: 2025-05-26T14:55:29Z
source: RIPE
organisation: ORG-Ws58-RIPE
org-name: WebSupport s.r.o.
country: SK
reg-nr: 36 421 928
org-type: LIR
address: Karadzicova 12
address: 82108
address: Bratislava
address: SLOVAKIA
phone: +421220608080
abuse-c: AR17298-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: mnt-sk-websupport2-1
mnt-by: RIPE-NCC-HM-MNT
mnt-by: mnt-sk-websupport2-1
admin-c: TM782-RIPE
created: 2011-09-15T12:49:41Z
last-modified: 2026-05-13T07:24:55Z
source: RIPE # Filtered
role: Websupport s.r.o. Hostmaster
address: Websupport s.r.o.
address: Stare Grunty 12
address: Bratislava 841 04
address: Slovak Republic
abuse-mailbox: abuse@websupport.sk
admin-c: TM782-RIPE
tech-c: TM782-RIPE
nic-hdl: WsH7-RIPE
mnt-by: LSC-SK-MNT
created: 2011-06-29T15:09:39Z
last-modified: 2011-06-29T15:09:39Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)