203851 AS_CSD001, GB
Adjacency: 3 Upstream: 1 Downstream: 2
Upstream Adjacent AS list
AS6939 HURRICANE - Hurricane Electric LLC, US
Downstream Adjacent AS list
AS210206 METROSECURITY-AS, GB
AS205900 APC-SOLUTIONS, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 31591 AS203851 ORG+TRN Originate: 1536 /21.42 Transit: 768 /22.42 AS_CSD001, 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 % 11210 AS203851 AS_CSD001, GB 6 6 2 2 4 66.67% Prefix AS Path Aggregation Suggestion 185.87.212.0/22 4777 6939 203851 + Announce - aggregate of 185.87.212.0/23 (4777 6939 203851) and 185.87.214.0/23 (4777 6939 203851) 185.87.212.0/24 4777 6939 203851 - Withdrawn - aggregated with 185.87.213.0/24 (4777 6939 203851) 185.87.213.0/24 4777 6939 203851 - Withdrawn - aggregated with 185.87.212.0/24 (4777 6939 203851) 185.87.214.0/24 4777 6939 203851 - Withdrawn - aggregated with 185.87.215.0/24 (4777 6939 203851) 185.87.215.0/24 4777 6939 203851 - Withdrawn - aggregated with 185.87.214.0/24 (4777 6939 203851) 185.154.50.0/23 4777 6939 203851 + Announce - aggregate of 185.154.50.0/24 (4777 6939 203851) and 185.154.51.0/24 (4777 6939 203851) 185.154.50.0/24 4777 6939 203851 - Withdrawn - aggregated with 185.154.51.0/24 (4777 6939 203851) 185.154.51.0/24 4777 6939 203851 - Withdrawn - aggregated with 185.154.50.0/24 (4777 6939 203851)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS203851 6 More Specifics 6 Total Advertisements AS_CSD001, GB
185.87.212.0/24 185.87.212.0/22
185.87.213.0/24 185.87.212.0/22
185.87.214.0/24 185.87.212.0/22
185.87.215.0/24 185.87.212.0/22
185.154.50.0/24 185.154.48.0/22
185.154.51.0/24 185.154.48.0/22
whois: 402332
IANA has recorded AS203851 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203851\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 'AS203113 - AS203887'
as-block: AS203113 - AS203887
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: 2024-11-12T15:22:00Z
last-modified: 2024-11-12T15:22:00Z
source: RIPE
% Information related to 'AS203851'
% Abuse contact for 'AS203851' is 'ripe@csd.co'
aut-num: AS203851
as-name: as_csd001
org: ORG-CL296-RIPE
import: from AS174 accept ANY
export: to AS174 announce AS203851
import: from AS3257 accept ANY
export: to AS3257 announce AS203851
admin-c: TA5062-RIPE
tech-c: TA5062-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: toma1-mnt
created: 2015-10-20T10:02:33Z
last-modified: 2018-09-04T11:41:01Z
source: RIPE
organisation: ORG-CL296-RIPE
org-name: CSD Network Services Ltd
country: GB
org-type: LIR
address: 10 New Road, Rayne
address: CM77 6TG
address: Braintree
address: UNITED KINGDOM
phone: +441376340240
fax-no: +441376388032
abuse-c: AC28408-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: toma1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: toma1-mnt
created: 2015-02-10T16:29:05Z
last-modified: 2020-12-16T13:29:43Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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