204339 CYBERFLAT-AS, GB
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS50113 SUPERSERVERSDATACENTER, CZ
AS214602 FINTX-AS, CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9828 AS204339 ORIGIN Originate: 11008 /18.57 Transit: 0 /0.00 CYBERFLAT-AS, 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 % 5687 AS204339 CYBERFLAT-AS, GB 43 14 5 34 9 20.93% Prefix AS Path Aggregation Suggestion 45.9.72.0/24 6939 51765 214602 204339 45.138.73.0/24 6939 51765 214602 204339 45.138.74.0/24 6939 51765 214602 204339 46.8.96.0/24 6939 51765 214602 204339 46.8.178.0/23 6939 51765 214602 204339 + Announce - aggregate of 46.8.178.0/24 (6939 51765 214602 204339) and 46.8.179.0/24 (6939 51765 214602 204339) 46.8.178.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 46.8.179.0/24 (6939 51765 214602 204339) 46.8.179.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 46.8.178.0/24 (6939 51765 214602 204339) 46.8.218.0/24 6939 51765 214602 204339 46.17.105.0/24 6939 51765 214602 204339 83.147.194.0/24 6939 51765 214602 204339 91.186.208.0/23 6939 51765 214602 204339 + Announce - aggregate of 91.186.208.0/24 (6939 51765 214602 204339) and 91.186.209.0/24 (6939 51765 214602 204339) 91.186.208.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 91.186.209.0/24 (6939 51765 214602 204339) 91.186.209.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 91.186.208.0/24 (6939 51765 214602 204339) 91.186.210.0/24 6939 51765 214602 204339 91.186.211.0/24 6939 50113 204339 91.186.220.0/22 6939 50113 204339 + Announce - aggregate of 91.186.220.0/23 (6939 50113 204339) and 91.186.222.0/23 (6939 50113 204339) 91.186.220.0/24 6939 50113 204339 - Withdrawn - aggregated with 91.186.221.0/24 (6939 50113 204339) 91.186.221.0/24 6939 50113 204339 - Withdrawn - aggregated with 91.186.220.0/24 (6939 50113 204339) 91.186.222.0/24 6939 50113 204339 - Withdrawn - aggregated with 91.186.223.0/24 (6939 50113 204339) 91.186.223.0/24 6939 50113 204339 - Withdrawn - aggregated with 91.186.222.0/24 (6939 50113 204339) 91.217.76.0/24 6939 51765 214602 204339 95.81.93.0/24 6939 51765 214602 204339 95.81.119.0/24 6939 51765 214602 204339 95.81.120.0/24 6939 51765 214602 204339 95.214.9.0/24 6939 51765 214602 204339 104.128.131.0/24 6939 51765 214602 204339 132.243.20.0/22 6939 51765 214602 204339 + Announce - aggregate of 132.243.20.0/23 (6939 51765 214602 204339) and 132.243.22.0/23 (6939 51765 214602 204339) 132.243.20.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 132.243.21.0/24 (6939 51765 214602 204339) 132.243.21.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 132.243.20.0/24 (6939 51765 214602 204339) 132.243.22.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 132.243.23.0/24 (6939 51765 214602 204339) 132.243.23.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 132.243.22.0/24 (6939 51765 214602 204339) 135.136.181.0/24 6939 51765 214602 204339 135.136.189.0/24 6939 51765 214602 204339 178.253.31.0/24 6939 51765 214602 204339 185.40.7.0/24 6939 51765 214602 204339 185.58.204.0/24 6939 51765 214602 204339 185.102.136.0/24 6939 51765 214602 204339 185.106.93.0/24 6939 51765 214602 204339 185.106.94.0/24 6939 51765 214602 204339 185.117.116.0/24 6939 51765 214602 204339 185.200.190.0/24 6939 51765 214602 204339 185.217.197.0/24 6939 51765 214602 204339 185.233.82.0/24 6939 51765 214602 204339 185.252.144.0/24 6939 51765 214602 204339 193.124.182.0/23 6939 51765 214602 204339 + Announce - aggregate of 193.124.182.0/24 (6939 51765 214602 204339) and 193.124.183.0/24 (6939 51765 214602 204339) 193.124.182.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 193.124.183.0/24 (6939 51765 214602 204339) 193.124.183.0/24 6939 51765 214602 204339 - Withdrawn - aggregated with 193.124.182.0/24 (6939 51765 214602 204339) 193.124.190.0/24 6939 51765 214602 204339
whois: 402603
IANA has recorded AS204339 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204339\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 'AS204339'
% Abuse contact for 'AS204339' is 'audit@first-server.net'
aut-num: AS204339
as-name: FIRSTSERVER-FL-AS
org: ORG-FSL27-RIPE
import: from AS6695 accept ANY
export: to AS6695 announce AS204339
import: from AS6777 accept ANY
export: to AS6777 announce AS204339
import: from AS214602 accept ANY
export: to AS214602 announce AS204339
import: from AS9002 accept ANY
export: to AS9002 announce AS204339
import: from AS51765 accept ANY
export: to AS51765 announce AS204339
sponsoring-org: ORG-IMF1-RIPE
admin-c: FSD91-RIPE
tech-c: FSD91-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: FIRST-SERVER-MNT
created: 2022-06-28T13:49:42Z
last-modified: 2026-03-26T13:05:46Z
source: RIPE
organisation: ORG-FSL27-RIPE
org-name: FIRST SERVER LIMITED
country: GB
reg-nr: 14459750
org-type: OTHER
remarks: ***********************************************************
remarks: *** FIRST SERVER is a cloud web hosting company.
remarks: *** We do service a lot of customers. Make sure you use correct email for your inquiry.
remarks: *** In case of network spam issues write to audit(at)first-server(dot)net
remarks: *** For legal requests, LOA and others, please use: audit(at)first-server(dot)net
remarks: *** Office hours from 10am to 4pm (UTC+0)
remarks: *** For customers support please use audit(at)first-server(dot)net
remarks: *** For legal requremets, please use audit(at)first-server(dot)net
remarks: *** Support team is on duty 24/7
remarks: ***********************************************************
address: 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
abuse-c: ACRO3704-RIPE
mnt-ref: FIRSTBYTE-MNT
mnt-by: FIRSTBYTE-MNT
created: 2022-11-04T18:56:58Z
last-modified: 2026-05-13T06:44:45Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
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% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)