209761 NECS, GB
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS2856 BT-UK-AS BTnet UK Regional network, GB
AS5089 NTL, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 26929 AS209761 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 NECS, 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 % 65693 AS209761 NECS, GB 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 213.226.88.0/22 4777 2516 6830 5089 209761 213.226.88.0/23 4777 2497 6830 5089 209761 213.226.90.0/23 4777 2497 5400 2856 209761
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS209761 2 More Specifics 3 Total Advertisements NECS, GB
213.226.88.0/23 213.226.88.0/22
213.226.90.0/23 213.226.88.0/22
whois: 402332
IANA has recorded AS209761 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS209761\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 'AS208189 - AS214345'
as-block: AS208189 - AS214345
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: 2026-02-12T14:40:05Z
last-modified: 2026-02-12T14:40:05Z
source: RIPE
% Information related to 'AS209761'
% Abuse contact for 'AS209761' is 'necsu.Infrastructure-Operations@nhs.net'
aut-num: AS209761
as-name: NECS
org: ORG-NOEC2-RIPE
import: from AS42010 accept ANY
export: to AS42010 announce AS209761
import: from AS5089 accept ANY
export: to AS5089 announce AS209761
import: from AS6067 accept ANY
export: to AS6067 announce AS209761
import: from AS2856 accept ANY
export: to AS2856 announce AS209761
admin-c: DA8430-RIPE
tech-c: DA8430-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: mnt-uk-north1-1
created: 2018-12-07T12:20:48Z
last-modified: 2025-06-27T12:03:23Z
source: RIPE
organisation: ORG-NOEC2-RIPE
org-name: North of England Commissioning Support Unit
country: GB
org-type: LIR
address: JOHN SNOW HOUSE, DURHAM UNIVERSITY SCIENCE PARK
address: DH1 3YG
address: Durham
address: UNITED KINGDOM
phone: +441913011300
admin-c: DA8430-RIPE
tech-c: DA8430-RIPE
abuse-c: AR49671-RIPE
mnt-ref: mnt-uk-north1-1
mnt-by: RIPE-NCC-HM-MNT
mnt-by: mnt-uk-north1-1
created: 2018-12-04T08:40:38Z
last-modified: 2020-12-16T12:50:50Z
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 (BUSA)