
This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402590
IANA has recorded AS51768 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51768\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 'AS51357 - AS51817'
as-block: AS51357 - AS51817
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: 2025-02-13T13:57:44Z
last-modified: 2025-02-13T13:57:44Z
source: RIPE
% Information related to 'AS51768'
% Abuse contact for 'AS51768' is 'control@keystone-sda.ch'
aut-num: AS51768
as-name: Keystone-SDA-ATS
org: ORG-KA581-RIPE
import: from AS15576 accept ANY
import: from AS39040 accept ANY
export: to AS15576 announce AS51768
export: to AS39040 announce AS51768
admin-c: RS21398-RIPE
tech-c: RS21398-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ch-keystone-1-mnt
created: 2010-11-02T13:19:59Z
last-modified: 2026-01-12T11:52:13Z
source: RIPE # Filtered
organisation: ORG-KA581-RIPE
org-name: KEYSTONE-SDA-ATS AG
country: CH
reg-nr: CHE-105.831.440
org-type: LIR
address: Wankdorfallee 5
address: 3014
address: Bern
address: SWITZERLAND
phone: +41 58 909 50 50
admin-c: RS21398-RIPE
tech-c: RS21398-RIPE
abuse-c: AR38218-RIPE
mnt-ref: ch-keystone-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ch-keystone-1-mnt
created: 2016-11-04T13:39:41Z
last-modified: 2026-05-13T07:13:24Z
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)