21033 ESSILOR, FR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS139883 SPTEL-AS-AP SPTEL PTE. LTD., SG
AS8220 COLT COLT Technology Services Group Limited, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 23361 AS21033 ORIGIN Originate: 2304 /20.83 Transit: 0 /0.00 ESSILOR, 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 % 21632 AS21033 ESSILOR, FR 8 2 1 7 1 12.50% Prefix AS Path Aggregation Suggestion 193.242.5.0/24 4777 2516 8220 21033 193.242.6.0/23 4777 2516 8220 21033 + Announce - aggregate of 193.242.6.0/24 (4777 2516 8220 21033) and 193.242.7.0/24 (4777 2516 8220 21033) 193.242.6.0/24 4777 2516 8220 21033 - Withdrawn - aggregated with 193.242.7.0/24 (4777 2516 8220 21033) 193.242.7.0/24 4777 2516 8220 21033 - Withdrawn - aggregated with 193.242.6.0/24 (4777 2516 8220 21033) 193.242.9.0/24 4777 2516 8220 21033 193.242.11.0/24 4777 2516 8220 21033 193.242.17.0/24 4777 2516 8220 21033 193.242.42.0/23 4608 24115 23856 139883 21033 21033 21033 193.242.46.0/24 4777 2516 8220 21033
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21033 8 More Specifics 8 Total Advertisements ESSILOR, FR
193.242.5.0/24 193.242.4.0/22
193.242.6.0/24 193.242.4.0/22
193.242.7.0/24 193.242.4.0/22
193.242.9.0/24 193.242.8.0/21
193.242.11.0/24 193.242.8.0/21
193.242.17.0/24 193.242.16.0/20
193.242.42.0/23 193.242.32.0/19
193.242.46.0/24 193.242.32.0/19
whois: 402332
IANA has recorded AS21033 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21033\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 'AS21004 - AS21151'
as-block: AS21004 - AS21151
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS21033'
% Abuse contact for 'AS21033' is 'MISNETSupport@essilor.fr'
aut-num: AS21033
as-name: ESSILOR
org: ORG-EI25-RIPE
import: from AS8220 accept ANY
export: to AS8220 announce AS21033
admin-c: MGN16-RIPE
tech-c: MGN16-RIPE
tech-c: MVI92-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: COLT-FR-MNT
created: 2001-09-27T08:36:57Z
last-modified: 2025-11-28T15:14:07Z
source: RIPE
sponsoring-org: ORG-CI9-RIPE
organisation: ORG-EI25-RIPE
org-name: ESSILOR International SAS
country: FR
org-type: OTHER
address: 147 Rue De Paris
address: 94220 Charenton le Pont
address: France
abuse-c: AC30248-RIPE
mnt-ref: MGN-MNT
mnt-by: MGN-MNT
created: 2012-02-23T15:48:54Z
last-modified: 2024-03-18T14:26:19Z
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 (DEXTER)