
51491 SYSGROUP-WALES, GB
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS39537 HNS www.hns.net, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 37060 AS51491 ORIGIN Originate: 1024 /22.00 Transit: 0 /0.00 SYSGROUP-WALES, GB
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 % 23711 AS51491 SYSGROUP-WALES, GB 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 185.33.184.0/22 4777 2516 3356 39537 51491 + Announce - aggregate of 185.33.184.0/23 (4777 2516 3356 39537 51491) and 185.33.186.0/23 (4777 2516 3356 39537 51491) 185.33.184.0/23 4777 2516 3356 39537 51491 - Withdrawn - aggregated with 185.33.186.0/23 (4777 2516 3356 39537 51491) 185.33.186.0/23 4777 2516 3356 39537 51491 - Withdrawn - aggregated with 185.33.184.0/23 (4777 2516 3356 39537 51491)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51491 2 More Specifics 2 Total Advertisements SYSGROUP-WALES, GB
185.33.184.0/23 185.33.184.0/22
185.33.186.0/23 185.33.184.0/22
whois: 402332
IANA has recorded AS51491 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51491\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 'AS51357 - AS51817'
as-block: AS51357 - AS51817
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: 2025-02-13T13:57:44Z
last-modified: 2025-02-13T13:57:44Z
source: RIPE
% Information related to 'AS51491'
% Abuse contact for 'AS51491' is 'abuse@sysgroup.com'
aut-num: AS51491
as-name: SYSGROUP-WALES
org: ORG-SP277-RIPE
import: from AS39537 accept ANY
export: to AS39537 announce AS51491
admin-c: SA43739-RIPE
tech-c: SA43739-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SYSGROUP-MNT
created: 2016-12-20T08:37:55Z
last-modified: 2025-02-16T16:10:31Z
source: RIPE
organisation: ORG-SP277-RIPE
org-name: SysGroup plc
country: GB
org-type: LIR
address: 55 Spring Gardens
address: M2 2BY
address: Manchester
address: UNITED KINGDOM
phone: +44 333 101 9000
admin-c: SA43739-RIPE
admin-c: SA43739-RIPE
tech-c: SA43739-RIPE
abuse-c: AR38690-RIPE
mnt-ref: SYSGROUP-MNT
mnt-ref: SYSGROUP-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SYSGROUP-MNT
created: 2016-12-15T08:39:05Z
last-modified: 2025-02-21T13:35:20Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% 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 1.121.2 (ABERDEEN)