28705 CYBASE-AS Cybase Limited, ISP, Liverpool
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS5462 CABLEINET Telewest Broadband
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 12471 AS28705 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 CYBASE-AS Cybase Limited, ISP, Liverpool
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 % 17228 AS28705 CYBASE-AS Cybase Limited, ISP, Liverpool 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 217.16.48.0/21 4637 3491 5462 28705
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28705 1 More Specifics 1 Total Advertisements CYBASE-AS Cybase Limited, ISP, Liverpool
217.16.48.0/21 217.16.48.0/20
whois: 402332
IANA has recorded AS28705 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28705\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 'AS28699 - AS28912'
as-block: AS28699 - AS28912
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: 2018-11-22T15:27:31Z
last-modified: 2018-11-22T15:27:31Z
source: RIPE
% Information related to 'AS28705'
% Abuse contact for 'AS28705' is 'network@cybase.co.uk'
aut-num: AS28705
org: ORG-CL14-RIPE
as-name: CYBASE-AS
descr: Cybase Limited, ISP, Liverpool
import: from AS6717 action pref=100; accept ANY
import: from AS5462 action pref=120; accept ANY
export: to AS6717 announce AS28705
export: to AS5462 announce AS28705
admin-c: PK345-RIPE
tech-c: PK345-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
remarks: removed cross-mnt: CYBASE-MNT
remarks: removed cross-nfy: PK345-RIPE
remarks: mythic-asn-verify-10UJmPVnUGMbGsw1PMvw
mnt-by: CYBASE-MNT
created: 2003-02-04T15:50:00Z
last-modified: 2026-02-03T11:11:58Z
source: RIPE # Filtered
organisation: ORG-CL14-RIPE
org-name: Cybase Limited
country: GB
org-type: LIR
address: 10 Dakota Business Park, Skyhawk Avenue
address: L19 2QR
address: Liverpool
address: UNITED KINGDOM
phone: +44 (0)800 195 3648
reg-nr: 07654241
abuse-c: AR17584-RIPE
admin-c: IA7114-RIPE
mnt-ref: CYBASE-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CYBASE-MNT
created: 2004-04-17T12:13:02Z
last-modified: 2026-04-29T05:25:19Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% This query was served by the RIPE Database Query Service version 1.122 (SHETLAND)