This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 185.205.216.0/22 Announced
whois: 402609
IANA has recorded AS51131 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51131\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 'AS50893 - AS51311'
as-block: AS50893 - AS51311
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: 2024-12-10T14:54:30Z
last-modified: 2024-12-10T14:54:30Z
source: RIPE
% Information related to 'AS51131'
% Abuse contact for 'AS51131' is 'abuse@irz42.net'
aut-num: AS51131
as-name: DDOS-MITIGATION-NETWORK
org: ORG-WCG4-RIPE
import: from AS9211 accept ANY
export: to AS9211 announce AS51131:AS-SET
import: from AS6939 accept ANY
export: to AS6939 announce AS9211:AS-WORK
import: from AS13135 accept AS-CREW
export: to AS13135 announce ANY
admin-c: IRZ42-RIPE
tech-c: JD35-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: NWORK-MNT
mnt-by: CREW-MNT
created: 2021-04-20T08:53:53Z
last-modified: 2021-05-17T07:21:54Z
source: RIPE
organisation: ORG-WCG4-RIPE
org-name: Wieske's Crew GmbH
country: DE
reg-nr: District court Hamburg HRB 89043
org-type: LIR
address: Suederstrasse 195
address: 20537
address: HAMBURG
address: GERMANY
phone: +494025300720
fax-no: +494025300722
admin-c: IRZ42-RIPE
abuse-c: IRZ42-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CREW-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CREW-MNT
created: 2006-01-03T12:10:42Z
last-modified: 2026-05-13T07:25:24Z
source: RIPE # Filtered
role: IRZ42.NET Hostmaster
address: Wieske's Crew GmbH
address: Suederstrasse 195
address: D-20537 Hamburg
address: Germany
phone: +49 40 25300720
fax-no: +49 40 25300722
abuse-mailbox: abuse@irz42.net
remarks: Office days mon-fri 0900-1700 CET
remarks: Other hours: Try email to support@irz42.net
admin-c: FA-RIPE
admin-c: MB14-RIPE
admin-c: DS6306-RIPE
tech-c: FA-RIPE
tech-c: MB14-RIPE
tech-c: DS6306-RIPE
nic-hdl: IRZ42-RIPE
mnt-by: CREW-MNT
created: 2010-08-11T11:53:40Z
last-modified: 2020-12-22T12:46:23Z
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 (ABERDEEN)