212921 HDT, HK
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS136038 HDTIDCCLOUD-AS-AP HDTIDC LIMITED, HK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 40960 AS212921 ORIGIN Originate: 1024 /22.00 Transit: 0 /0.00 HDT, HK
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 % 66960 AS212921 HDT, HK 4 0 0 4 0 0.00% Prefix AS Path Aggregation Suggestion 2.59.155.0/24 4777 2497 2914 18013 136038 136038 212921 45.142.152.0/24 4777 2497 2914 18013 136038 136038 212921 45.142.155.0/24 4777 2497 2914 17476 139659 136038 212921 199.212.57.0/24 4777 2497 2914 18013 136038 136038 212921
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS212921 3 More Specifics 4 Total Advertisements HDT, HK
2.59.155.0/24 2.59.152.0/22
45.142.152.0/24 45.142.152.0/22
45.142.155.0/24 45.142.152.0/22
whois: 402332
IANA has recorded AS212921 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS212921\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 'AS212921'
% Abuse contact for 'AS212921' is 'allrun7788@outlook.com'
aut-num: AS212921
as-name: HDT
org: ORG-HL172-RIPE
import: from AS3223 accept ANY
export: to AS3223 announce AS212921
import: from AS57724 accept ANY
export: to AS57724 announce AS212921
admin-c: LZ2228-RIPE
tech-c: LZ2228-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MAINT-HDTIDCCLOUD-HK
created: 2022-04-25T07:08:52Z
last-modified: 2023-12-07T09:48:42Z
source: RIPE
organisation: ORG-HL172-RIPE
org-name: HDTIDC LIMITED
country: HK
org-type: LIR
address: 20/F, Full WIN COMMERCIAL CENTRE, 573 NATHAN ROAD
address: 99799
address: YAU MA TEI
address: HONG KONG
phone: +852-30696943
reg-nr: 2109323
admin-c: LZ2228-RIPE
tech-c: LZ2228-RIPE
abuse-c: ACRO29722-RIPE
mnt-ref: MAINT-HDTIDCCLOUD-HK
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MAINT-HDTIDCCLOUD-HK
created: 2018-03-22T10:28:40Z
last-modified: 2026-04-29T05:12:32Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122 (BUSA)