204818 HOSTEUR-NET-CORE - Hosteur SAS, FR
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS21351 CANALPLUSTELECOM - Canal + Telecom SAS, GP
AS8554 ATSAT - TAS France SAS, FR
AS174 COGENT-174 - Cogent Communications, LLC, US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Downstream Adjacent AS list
AS48809 HOSTEUR-ANYCAST - Hosteur SAS, FR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9946 AS204818 ORG+TRN Originate: 10496 /18.64 Transit: 256 /24.00 HOSTEUR-NET-CORE - Hosteur SAS, FR
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 % 18555 AS204818 HOSTEUR-NET-CORE - Hosteur SAS, FR 14 4 2 12 2 14.29% Prefix AS Path Aggregation Suggestion 45.92.108.0/22 4608 7575 3356 204818 46.16.205.0/24 4608 7575 1299 21351 204818 46.16.207.0/24 4608 7575 1299 21351 204818 46.182.4.0/22 4608 7575 3356 204818 81.161.58.0/24 4777 2516 174 204818 185.148.76.0/23 4608 7575 3356 204818 + Announce - aggregate of 185.148.76.0/24 (4608 7575 3356 204818) and 185.148.77.0/24 (4608 7575 3356 204818) 185.148.76.0/24 4608 7575 3356 204818 - Withdrawn - aggregated with 185.148.77.0/24 (4608 7575 3356 204818) 185.148.77.0/24 4608 7575 3356 204818 - Withdrawn - aggregated with 185.148.76.0/24 (4608 7575 3356 204818) 185.148.79.0/24 4608 7575 3356 204818 185.158.4.0/22 4777 2516 174 204818 185.245.92.0/22 4608 7575 3356 204818 + Announce - aggregate of 185.245.92.0/23 (4608 7575 3356 204818) and 185.245.94.0/23 (4608 7575 3356 204818) 185.245.92.0/23 4608 7575 3356 204818 - Withdrawn - aggregated with 185.245.94.0/23 (4608 7575 3356 204818) 185.245.94.0/23 4608 7575 3356 204818 - Withdrawn - aggregated with 185.245.92.0/23 (4608 7575 3356 204818) 194.88.246.0/23 4777 2516 174 204818 213.134.14.0/24 4777 2497 5511 8554 204818 217.16.0.0/20 4777 2516 174 204818
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204818 8 More Specifics 14 Total Advertisements HOSTEUR-NET-CORE - Hosteur SAS, FR
46.16.205.0/24 46.16.200.0/21
46.16.207.0/24 46.16.200.0/21
46.182.4.0/22 46.182.0.0/21
185.148.76.0/24 185.148.76.0/22
185.148.77.0/24 185.148.76.0/22
185.148.79.0/24 185.148.76.0/22
185.245.92.0/23 185.245.92.0/22
185.245.94.0/23 185.245.92.0/22
whois: 402609
IANA has recorded AS204818 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204818\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 'AS204818'
% Abuse contact for 'AS204818' is 'abuse-ripe@hosteur.com'
aut-num: AS204818
as-name: HOSTEUR-NET-CORE
org: ORG-AC31-RIPE
remarks: ------------------------------------
descr: Hosteur NETWORK CORE
descr: ZAYO
import: from AS8218 accept ANY
import: from AS207758 accept ANY
export: to AS8218 announce AS-HOSTEUR
export: to AS207758 announce AS-HOSTEUR
descr: COGENT
import: from AS174 accept ANY
export: to AS174 announce AS-HOSTEUR
descr: CELESTE
import: from AS34177 accept ANY
export: to AS34177 announce AS-HOSTEUR
descr: REZOPOLE
import: from AS43100 accept ANY
export: to AS43100 announce AS-HOSTEUR
descr: LEVEL3
import: from AS3356 accept ANY
export: to AS3356 announce AS-HOSTEUR
descr: HURRICANE-ELECTRIC
import: from AS6939 accept ANY
export: to AS6939 announce AS-HOSTEUR
descr: CANALPLUSTELECOM
import: from AS21351 accept ANY
export: to AS21351 announce AS-HOSTEUR
import: from AS8554 accept ANY
export: to AS8554 announce AS-HOSTEUR
descr: TAS
admin-c: LE668-RIPE
tech-c: LE668-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-ABCONNECT
created: 2018-01-02T08:39:12Z
last-modified: 2025-02-28T13:13:38Z
source: RIPE
organisation: ORG-AC31-RIPE
org-name: Hosteur SAS
country: FR
reg-nr: 445 005 812 R.C.S. AIX-EN-PROVENCE
org-type: LIR
address: 67 cours mirabeau
address: 13100
address: Aix en Provence
address: FRANCE
phone: +33980082680
fax-no: +33980082681
abuse-c: ATC25-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-ABCONNECT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-ABCONNECT
created: 2009-01-23T13:05:10Z
last-modified: 2026-05-13T07:32:32Z
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 1.122.1 (DEXTER)