42237 W1N, GB
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS3399 OBE-NET, SE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 28928 AS42237 ORIGIN Originate: 1792 /21.19 Transit: 0 /0.00 W1N, 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 % 16408 AS42237 W1N, GB 7 4 2 5 2 28.57% Prefix AS Path Aggregation Suggestion 91.236.116.0/24 4777 2516 3257 3399 42237 185.217.0.0/23 4777 2516 3257 3399 42237 + Announce - aggregate of 185.217.0.0/24 (4777 2516 3257 3399 42237) and 185.217.1.0/24 (4777 2516 3257 3399 42237) 185.217.0.0/24 4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.217.1.0/24 (4777 2516 3257 3399 42237) 185.217.1.0/24 4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.217.0.0/24 (4777 2516 3257 3399 42237) 185.246.128.0/23 4777 2516 3257 3399 42237 + Announce - aggregate of 185.246.128.0/24 (4777 2516 3257 3399 42237) and 185.246.129.0/24 (4777 2516 3257 3399 42237) 185.246.128.0/24 4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.246.129.0/24 (4777 2516 3257 3399 42237) 185.246.129.0/24 4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.246.128.0/24 (4777 2516 3257 3399 42237) 185.246.130.0/24 4777 2516 3257 3399 42237 193.105.134.0/24 4777 2516 3257 3399 42237
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS42237 5 More Specifics 7 Total Advertisements W1N, GB
185.217.0.0/24 185.217.0.0/22
185.217.1.0/24 185.217.0.0/22
185.246.128.0/24 185.246.128.0/22
185.246.129.0/24 185.246.128.0/22
185.246.130.0/24 185.246.128.0/22
whois: 402332
IANA has recorded AS42237 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS42237\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 'AS42173 - AS42381'
as-block: AS42173 - AS42381
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: 2024-07-22T14:14:32Z
last-modified: 2024-07-22T14:14:32Z
source: RIPE
% Information related to 'AS42237'
% Abuse contact for 'AS42237' is 'abuse@w1n.nl'
aut-num: AS42237
as-name: w1n
org: ORG-WL303-RIPE
import: from AS3399 accept ANY
export: to AS3399 announce AS-ICME
admin-c: AA39751-RIPE
tech-c: AA39751-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: lir-uk-win-1-MNT
created: 2017-08-10T12:53:05Z
last-modified: 2022-12-06T10:06:34Z
source: RIPE
organisation: ORG-WL303-RIPE
org-name: w1n ltd
country: GB
org-type: LIR
address: Dept 302, 43 Owston Road, Carcroft
address: DN6 8DA
address: Doncaster
address: UNITED KINGDOM
phone: +3805023019318
reg-nr: 14123971
admin-c: AA39751-RIPE
tech-c: AA39751-RIPE
abuse-c: AR68644-RIPE
mnt-ref: lir-uk-win-1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: lir-uk-win-1-MNT
created: 2022-07-07T07:42:11Z
last-modified: 2026-04-29T05:02:50Z
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 (BUSA)