ASN Lookup Tool

CEF W SA yesss.co.uk LU LU 0 Routes

AS Data

AS209879

AS209879 – CEF W SA

AS Number 209879
AS Name YESSS
Organization CEF W SA (org-cs1116-ripe)
Country LU
Website yesss.co.uk
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2026-02-04

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Raw Whois Response

% 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.
%       To receive output for a database update, use the "-B" flag.

% 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 'AS209879'

% Abuse contact for 'AS209879' is 'abuse@yesss.co.uk'

aut-num:        AS209879
as-name:        YESSS
org:            ORG-CS1116-RIPE
import:         from AS3356 accept ANY
export:         to AS3356 announce AS209879
import:         from AS1299 accept ANY
export:         to AS1299 announce AS209879
admin-c:        NO2813-RIPE
tech-c:         NO2813-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-lu-cefw-1-MNT
created:        2026-02-04T11:54:30Z
last-modified:  2026-02-04T11:54:30Z
source:         RIPE

organisation:   ORG-CS1116-RIPE
org-name:       CEF (W) SA
country:        LU
org-type:       LIR
address:        5 rue Xavier Brasseur
address:        4040
address:        Esch Sur Alzette
address:        LUXEMBOURG
phone:          +441924227965
admin-c:        NO2813-RIPE
tech-c:         NO2813-RIPE
abuse-c:        AR79547-RIPE
mnt-ref:        lir-lu-cefw-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-lu-cefw-1-MNT
created:        2026-02-03T08:30:29Z
last-modified:  2026-02-03T08:30:29Z
source:         RIPE # Filtered

role:           Network Operations
address:        LUXEMBOURG
address:        Esch Sur Alzette
address:        4040
address:        5 rue Xavier Brasseur
phone:          +441924227965
nic-hdl:        NO2813-RIPE
mnt-by:         lir-lu-cefw-1-MNT
created:        2026-02-03T08:30:29Z
last-modified:  2026-02-03T08:30:29Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

Peers

AS Number Description Country
AS1299 Arelion Sweden AB SE
AS3356 Level 3 Parent, LLC US

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Frequently Asked Questions

ASN AS209879 is an Autonomous System Number used to identify a network for BGP internet routing.
AS209879 is listed under CEF W SA.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.