203818 MWAM, GB
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS4657 STARHUB-INTERNET StarHub Ltd, SG
AS174 COGENT-174 - Cogent Communications, LLC, US
AS7473 SINGTEL-AS-AP Singapore Telecommunications Ltd, SG
AS9304 HUTCHISON-AS-AP HGC Global Communications Limited, HK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 31599 AS203818 ORIGIN Originate: 1536 /21.42 Transit: 0 /0.00 MWAM, 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 % 14305 AS203818 MWAM, GB 6 4 1 3 3 50.00% Prefix AS Path Aggregation Suggestion 185.113.92.0/24 4608 7575 9304 203818 185.113.94.0/24 4777 2497 7473 203818 185.122.208.0/22 4777 2497 174 203818 + Announce - aggregate of 185.122.208.0/23 (4777 2497 174 203818) and 185.122.210.0/23 (4777 2497 174 203818) 185.122.208.0/24 4777 2497 174 203818 - Withdrawn - aggregated with 185.122.209.0/24 (4777 2497 174 203818) 185.122.209.0/24 4777 2497 174 203818 - Withdrawn - aggregated with 185.122.208.0/24 (4777 2497 174 203818) 185.122.210.0/24 4777 2497 174 203818 - Withdrawn - aggregated with 185.122.211.0/24 (4777 2497 174 203818) 185.122.211.0/24 4777 2497 174 203818 - Withdrawn - aggregated with 185.122.210.0/24 (4777 2497 174 203818)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS203818 6 More Specifics 6 Total Advertisements MWAM, GB
185.113.92.0/24 185.113.92.0/22
185.113.94.0/24 185.113.92.0/22
185.122.208.0/24 185.122.208.0/22
185.122.209.0/24 185.122.208.0/22
185.122.210.0/24 185.122.208.0/22
185.122.211.0/24 185.122.208.0/22
whois: 402332
IANA has recorded AS203818 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203818\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 'AS203818'
% Abuse contact for 'AS203818' is 'abuse@mwam.com'
aut-num: AS203818
as-name: mwam
org: ORG-MWAM1-RIPE
import: from as3356 accept ANY
export: to as3356 announce AS203818
import: from AS19855 accept ANY
export: to AS19855 announce AS203818
import: from AS6461 accept ANY
export: to AS6461 announce AS203818
admin-c: MA27495-RIPE
tech-c: MA27495-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: uk-mwam-1-mnt
created: 2015-10-23T11:58:33Z
last-modified: 2024-09-06T14:28:49Z
source: RIPE
organisation: ORG-MWAM1-RIPE
org-name: Marshall Wace Asset Management Ltd
country: GB
org-type: LIR
address: George House, 131 Sloane Street, London
address: SW1X 9AT
address: London
address: UNITED KINGDOM
phone: +44207 316 2280
admin-c: MA27495-RIPE
tech-c: MA27495-RIPE
abuse-c: AR33941-RIPE
mnt-ref: uk-mwam-1-mnt
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: uk-mwam-1-mnt
created: 2015-10-22T08:56:49Z
last-modified: 2024-09-06T14:32:25Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)