204731 FIBRENEST, GB
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS174 COGENT-174, US
AS6939 HURRICANE, US
AS6461 ZAYO-6461, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9356 AS204731 ORIGIN Originate: 12288 /18.42 Transit: 0 /0.00 FIBRENEST, 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 % 11229 AS204731 FIBRENEST, GB 8 4 0 4 4 50.00% Prefix AS Path Aggregation Suggestion 38.126.80.0/20 6939 204731 38.126.80.0/21 6939 204731 - Withdrawn - matching aggregate 38.126.80.0/20 6939 204731 38.126.88.0/21 6939 204731 - Withdrawn - matching aggregate 38.126.80.0/20 6939 204731 154.62.164.0/22 6939 204731 154.62.168.0/22 6939 204731 185.241.224.0/22 6939 204731 185.241.224.0/23 6939 204731 - Withdrawn - matching aggregate 185.241.224.0/22 6939 204731 185.241.226.0/23 6939 204731 - Withdrawn - matching aggregate 185.241.224.0/22 6939 204731
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204731 2 More Specifics 3 Total Advertisements FIBRENEST, GB
185.241.224.0/23 185.241.224.0/22
185.241.226.0/23 185.241.224.0/22
whois: 402603
IANA has recorded AS204731 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204731\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 'AS203940 - AS205662'
as-block: AS203940 - AS205662
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204731'
% Abuse contact for 'AS204731' is 'abuse@fibrenest.com'
aut-num: AS204731
as-name: fibrenest
org: ORG-FL427-RIPE
import: from AS174 accept ANY
export: to AS174 announce AS204731
import: from AS3356 accept ANY
export: to AS3356 announce AS204731
import: from AS6461 accept ANY
export: to AS6461 announce AS204731
admin-c: NE2097-RIPE
tech-c: NE2097-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: lir-uk-fibrenest1-1-MNT
created: 2018-01-18T10:38:17Z
last-modified: 2026-02-10T09:24:12Z
source: RIPE
organisation: ORG-FL427-RIPE
org-name: FIBRENEST LIMITED
country: GB
reg-nr: 16298713
org-type: LIR
address: Synergy House Windmill Avenue, Woolpit
address: IP30 9UP
address: Bury St. Edmunds
address: UNITED KINGDOM
phone: +443332342220
admin-c: NE2097-RIPE
tech-c: NE2097-RIPE
abuse-c: AR78698-RIPE
mnt-ref: lir-uk-fibrenest1-1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: lir-uk-fibrenest1-1-MNT
created: 2025-08-22T09:10:40Z
last-modified: 2026-05-13T07:16:34Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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