31743 IPGGIS-UK-AS - Interpublic GIS (UK) Ltd, GB
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS6461 ZAYO-6461 - Zayo Bandwidth, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 49254 AS31743 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 IPGGIS-UK-AS - Interpublic GIS (UK) Ltd, 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 % 22121 AS31743 IPGGIS-UK-AS - Interpublic GIS (UK) Ltd, GB 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 170.200.248.0/23 4777 2497 6461 31743 + Announce - aggregate of 170.200.248.0/24 (4777 2497 6461 31743) and 170.200.249.0/24 (4777 2497 6461 31743) 170.200.248.0/24 4777 2497 6461 31743 - Withdrawn - aggregated with 170.200.249.0/24 (4777 2497 6461 31743) 170.200.249.0/24 4777 2497 6461 31743 - Withdrawn - aggregated with 170.200.248.0/24 (4777 2497 6461 31743)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS31743 2 More Specifics 2 Total Advertisements IPGGIS-UK-AS - Interpublic GIS (UK) Ltd, GB
170.200.248.0/24 170.200.0.0/16
170.200.249.0/24 170.200.0.0/16
whois: 402613
IANA has recorded AS31743 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS31743\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 'AS31620 - AS31743'
as-block: AS31620 - AS31743
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: 2018-11-22T15:27:33Z
last-modified: 2018-11-22T15:27:33Z
source: RIPE
% Information related to 'AS31743'
% Abuse contact for 'AS31743' is 'abuse@colt.net'
aut-num: AS31743
as-name: IPGGIS-UK-AS
import: from AS2830 accept ANY
export: to AS2830 announce AS31743
import: from AS8220 accept ANY
export: to AS8220 announce AS31743
org: ORG-IGL2-RIPE
admin-c: CHM4-RIPE
tech-c: CHM4-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: COLT-UK
created: 2004-08-02T09:11:12Z
last-modified: 2018-09-04T10:03:59Z
source: RIPE
sponsoring-org: ORG-CI9-RIPE
organisation: ORG-IGL2-RIPE
org-name: Interpublic GIS (UK) Ltd
country: GB
reg-nr: 02724363
org-type: OTHER
address: 110 St. Martin's Lane
address: London WC2N 4RG
address: GB
phone: +44 0 20 7082 7104
abuse-c: AR28559-RIPE
admin-c: CHM4-RIPE
tech-c: CHM4-RIPE
mnt-ref: COLT-UK
mnt-by: COLT-UK
created: 2004-07-14T13:53:41Z
last-modified: 2026-05-13T06:41:56Z
source: RIPE # Filtered
role: COLT Hostmaster
address: COLT Technology Services
address: Beaufort House
address: 20 Great Eastern Street
address: London
address: EC2A 3EH
phone: +44 20 7390 3900
fax-no: +44 20 7863 5610
remarks: trouble: RIPE db issues email eu-ripemaster@colt.net
remarks: trouble: Abuse queries to abuse@fr.colt.net
abuse-mailbox: abuse@colt.net
admin-c: NG1400-RIPE
admin-c: EF139-RIPE
nic-hdl: CHM4-RIPE
mnt-by: COLT-UK
created: 2002-03-13T11:13:40Z
last-modified: 2020-12-07T09:15:08Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)