57948 COBALT IPWorks, BE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS48408 LOCALITEL-AS, BE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 22351 AS57948 ORIGIN Originate: 2560 /20.68 Transit: 0 /0.00 COBALT IPWorks, 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 % 8755 AS57948 COBALT IPWorks, BE 10 8 3 5 5 50.00% Prefix AS Path Aggregation Suggestion 2.57.40.0/23 4777 2516 1299 48408 57948 + Announce - aggregate of 2.57.40.0/24 (4777 2516 1299 48408 57948) and 2.57.41.0/24 (4777 2516 1299 48408 57948) 2.57.40.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 2.57.41.0/24 (4777 2516 1299 48408 57948) 2.57.41.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 2.57.40.0/24 (4777 2516 1299 48408 57948) 2.57.42.0/24 4777 2516 1299 48408 57948 91.236.244.0/23 4777 2516 1299 48408 57948 + Announce - aggregate of 91.236.244.0/24 (4777 2516 1299 48408 57948) and 91.236.245.0/24 (4777 2516 1299 48408 57948) 91.236.244.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 91.236.245.0/24 (4777 2516 1299 48408 57948) 91.236.245.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 91.236.244.0/24 (4777 2516 1299 48408 57948) 185.70.44.0/24 4777 2516 1299 48408 57948 195.253.208.0/22 4777 2516 1299 48408 57948 + Announce - aggregate of 195.253.208.0/23 (4777 2516 1299 48408 57948) and 195.253.210.0/23 (4777 2516 1299 48408 57948) 195.253.208.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 195.253.209.0/24 (4777 2516 1299 48408 57948) 195.253.209.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 195.253.208.0/24 (4777 2516 1299 48408 57948) 195.253.210.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 195.253.211.0/24 (4777 2516 1299 48408 57948) 195.253.211.0/24 4777 2516 1299 48408 57948 - Withdrawn - aggregated with 195.253.210.0/24 (4777 2516 1299 48408 57948)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS57948 10 More Specifics 10 Total Advertisements COBALT IPWorks, BE
2.57.40.0/24 2.57.40.0/22
2.57.41.0/24 2.57.40.0/22
2.57.42.0/24 2.57.40.0/22
91.236.244.0/24 91.236.244.0/23
91.236.245.0/24 91.236.244.0/23
185.70.44.0/24 185.70.44.0/22
195.253.208.0/24 195.253.208.0/22
195.253.209.0/24 195.253.208.0/22
195.253.210.0/24 195.253.208.0/22
195.253.211.0/24 195.253.208.0/22
whois: 402332
IANA has recorded AS57948 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS57948\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 'AS57370 - AS57973'
as-block: AS57370 - AS57973
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: 2025-04-24T14:15:44Z
last-modified: 2025-04-24T14:15:44Z
source: RIPE
% Information related to 'AS57948'
% Abuse contact for 'AS57948' is 'abuse@ipworks.be'
aut-num: AS57948
as-name: COBALT
descr: IPWorks
org: ORG-CGB2-RIPE
import: from AS39923 accept ANY
export: to AS39923 announce AS-COBALT
import: from AS210017 accept ANY
export: to AS210017 announce AS-COBALT
import: from AS50309 accept ANY
export: to AS50309 announce AS-COBALT
import: from AS48408 accept ANY
export: to AS48408 announce AS-COBALT
mp-import: afi ipv6.unicast from AS48408 accept ANY
mp-export: afi ipv6.unicast to AS48408 announce AS-COBALT
import: from AS50838 accept AS50838
export: to AS50838 announce ANY
admin-c: DKE100-RIPE
tech-c: DKE100-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-DK
created: 2012-03-19T12:53:57Z
last-modified: 2024-11-15T11:24:29Z
source: RIPE
organisation: ORG-CGB2-RIPE
org-name: Cobalt Group BV
country: BE
org-type: LIR
address: Russelbeekstraat 39
address: 3590
address: Diepenbeek
address: BELGIUM
phone: +32 471 43 57 13
fax-no: +3211360011
reg-nr: 0806.684.959
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-DK
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-DK
abuse-c: INO11-RIPE
created: 2014-09-08T15:55:49Z
last-modified: 2026-04-29T05:35:02Z
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 (ABERDEEN)