210203 RETN-IT-AS, GB
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9002 RETN-AS, GB
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 55859 AS210203 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 RETN-IT-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 % 65924 AS210203 RETN-IT-AS, GB 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 139.45.198.0/23 4777 2516 6762 210203
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS210203 1 More Specifics 1 Total Advertisements RETN-IT-AS, GB
139.45.198.0/23 139.45.192.0/19
whois: 402332
IANA has recorded AS210203 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS210203\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 'AS208189 - AS214345'
as-block: AS208189 - AS214345
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: 2026-02-12T14:40:05Z
last-modified: 2026-02-12T14:40:05Z
source: RIPE
% Information related to 'AS210203'
% Abuse contact for 'AS210203' is 'abuse@retn.net'
aut-num: AS210203
as-name: RETN-IT-AS
org: ORG-RL19-RIPE
remarks:
remarks: ---------------------------------------------------------------
remarks: *********************** Routing Policy ************************
remarks: ---------------------------------------------------------------
remarks:
import: from AS6762 action pref=200; accept ANY
export: to AS6762 announce AS-RETN-IT
import: from AS9002 action pref=200; accept ANY
export: to AS9002 announce AS-RETN-IT
import: from AS25462 action pref=100; accept AS25462
export: to AS25462 announce AS-RETN-IT
import: from AS-RETN-IT action pref=100; accept AS-RETN-IT
export: to AS-RETN-IT announce ANY
remarks:
remarks: ---------------------------------------------------------------
remarks: ****************** RETN bgp confederation *********************
remarks: ---------------------------------------------------------------
remarks: - AS9002
remarks: - AS14947
remarks: - AS25462
remarks: - AS28886
remarks: - AS29470
remarks: - AS44877
remarks: - AS51327
remarks: - AS57304
remarks: - AS60392
remarks: - AS134518
remarks: - AS139903
remarks: - AS150003
remarks: - AS198947
remarks: - AS209447
remarks: - AS210203
remarks: - AS214455
remarks: - AS214845
remarks: ---------------------------------------------------------------
remarks: ********************* Contacts and URLs ***********************
remarks: ---------------------------------------------------------------
remarks: Routing issues noc at retn.net
remarks: Peering issues and requests peering at retn.net
remarks: SPAM and security issues abuse at retn.net
remarks: Web Site http://retn.net
remarks: Looking Glass http://lg.retn.net
remarks: BGP communities list http://retn.net/bgp-communities
remarks: or http://lg.retn.net/bgp-communities.html
remarks: ---------------------------------------------------------------
remarks:
admin-c: RCD1-RIPE
tech-c: RCD1-RIPE
status: ASSIGNED
mnt-by: MNT-RETN
mnt-by: RIPE-NCC-END-MNT
created: 2018-09-19T10:17:57Z
last-modified: 2025-08-27T19:59:02Z
source: RIPE # Filtered
organisation: ORG-RL19-RIPE
org-name: RETN Limited
country: GB
org-type: LIR
address: 5 Greenwich View Place
address: E14 9NN
address: London
address: UNITED KINGDOM
phone: +44 20 75176400
admin-c: DSAM1-RIPE
admin-c: AMP30-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-RETN
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-RETN
abuse-c: RCD1-RIPE
created: 2005-07-29T10:11:07Z
last-modified: 2024-09-04T06:07:00Z
source: RIPE # Filtered
role: RETN.net Contacts Data
address: 5th Floor, 3 Harbour Exchange Square
address: London, E14 9GE, UK
phone: +44 2075176400
remarks: Points of contact for RETN.net
remarks: Sales: sales@retn.net
remarks: Routing issues: noc@retn.net
remarks: Peering issues: peering@retn.net
remarks: SPAM and Network security issues: abuse@retn.net
remarks: Mail issues: postmaster@retn.net
remarks: Information: http://www.retn.net
abuse-mailbox: abuse@retn.net
nic-hdl: RCD1-RIPE
mnt-by: MNT-RETN
created: 2003-01-13T17:08:25Z
last-modified: 2023-01-30T12:56:42Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)