211077 HO-LECN-DC01, GB
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS2856 BT-UK-AS BTnet UK Regional network, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 3443 AS211077 ORIGIN Originate: 66048 /15.99 Transit: 0 /0.00 HO-LECN-DC01, 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 % 18914 AS211077 HO-LECN-DC01, GB 3 2 0 1 2 66.67% Prefix AS Path Aggregation Suggestion 51.64.0.0/16 4777 2516 5400 2856 211077 51.64.9.0/24 4777 2516 5400 2856 211077 - Withdrawn - matching aggregate 51.64.0.0/16 4777 2516 5400 2856 211077 51.64.254.0/24 4777 2516 5400 2856 211077 - Withdrawn - matching aggregate 51.64.0.0/16 4777 2516 5400 2856 211077
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS211077 2 More Specifics 3 Total Advertisements HO-LECN-DC01, GB
51.64.9.0/24 51.64.0.0/16
51.64.254.0/24 51.64.0.0/16
whois: 402332
IANA has recorded AS211077 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS211077\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 'AS211077'
% Abuse contact for 'AS211077' is 'N&INetworkOperations@homeoffice.gov.uk'
aut-num: AS211077
as-name: HO-LECN-DC01
org: ORG-UHOT1-RIPE
import: from AS5551 accept ANY
export: to AS5551 announce AS211077
import: from AS25180 accept ANY
import: from AS2856 accept ANY
export: to AS25180 announce AS211077
export: to AS2856 announce AS211077
admin-c: NET26-RIPE
tech-c: NET26-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: lir-uk-ukhome-1-MNT
created: 2021-07-02T13:20:51Z
last-modified: 2025-02-25T14:05:41Z
source: RIPE
organisation: ORG-UHOT1-RIPE
org-name: UK Home Office (The Secretary of State for the Home Department)
org-type: LIR
address: 2 Marsham Street
address: SW1P 4DF
address: London
address: UNITED KINGDOM
country: GB
phone: +44 345 010 0125
admin-c: NET26-RIPE
tech-c: NET26-RIPE
abuse-c: AR62973-RIPE
mnt-ref: lir-uk-ukhome-1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: lir-uk-ukhome-1-MNT
created: 2021-04-23T11:51:44Z
last-modified: 2021-07-07T11:01:59Z
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)