201042 SD1-TELECOM, BE
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS174 COGENT-174 - Cogent Communications, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 31174 AS201042 ORIGIN Originate: 1536 /21.42 Transit: 0 /0.00 SD1-TELECOM, BE
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 % 60768 AS201042 SD1-TELECOM, BE 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 81.2.148.0/24 4777 2497 1299 201042 154.52.36.0/24 4777 2497 1299 201042 154.52.49.0/24 4777 2497 1299 201042 154.52.51.0/24 4777 2497 1299 201042 154.52.52.0/24 4777 2497 174 201042 201042 194.13.142.0/24 4777 2497 1299 201042
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS201042 5 More Specifics 6 Total Advertisements SD1-TELECOM, BE
81.2.148.0/24 81.2.128.0/18
154.52.36.0/24 154.52.0.0/16
154.52.49.0/24 154.52.0.0/16
154.52.51.0/24 154.52.0.0/16
154.52.52.0/24 154.52.0.0/16
whois: 402332
IANA has recorded AS201042 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS201042\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 'AS200537 - AS203022'
as-block: AS200537 - AS203022
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: 2026-04-08T13:28:00Z
last-modified: 2026-04-08T13:28:00Z
source: RIPE
% Information related to 'AS201042'
% Abuse contact for 'AS201042' is 'helpdesk@sd1.be'
aut-num: AS201042
as-name: SD1-Telecom
remarks: ==============================
remarks: UPSTREAMS
remarks: ==============================
import: from AS12956 accept ANY
export: to AS12956 announce AS201042:AS-SD1TEL
import: from AS174 accept ANY
export: to AS174 announce AS201042:AS-SD1TEL
import: from AS1299 accept ANY
export: to AS1299 announce AS201042:AS-SD1TEL
import: from AS29467 accept ANY
export: to AS29467 announce AS201042:AS-SD1TEL
remarks: ==============================
remarks: Routing Policy
remarks: ==============================
remarks: We deny prefixes longer than /24 (IPv4) and /48 (IPv6) on all our
remarks: BGP sessions. We also filter default routes and bogus networks
remarks: (RFC1918, RFC5735, Former Class D/E, documentation prefix, 6bone,
remarks: etc...)
remarks: ==============================
org: ORG-SS1287-RIPE
admin-c: RM22750-RIPE
tech-c: RM22750-RIPE
tech-c: MA631-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SD1TEL-MNT
created: 2022-11-30T08:24:43Z
last-modified: 2025-08-07T17:01:48Z
source: RIPE
organisation: ORG-SS1287-RIPE
org-name: SD1-Telecom SRL
country: BE
org-type: LIR
address: Drève du Bois de Mai, 7
address: 1428
address: Braine-L'Alleud
address: BELGIUM
phone: +32 2 342 89 00
reg-nr: 0746.401.637
admin-c: RM22750-RIPE
tech-c: RM22750-RIPE
abuse-c: AR68624-RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SD1TEL-MNT
created: 2022-07-04T07:51:52Z
last-modified: 2026-04-29T05:02:53Z
source: RIPE # Filtered
mnt-ref: SD1TEL-MNT
%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 (ABERDEEN)