17975 APT-AP AS # for peering purpose with IX and ISP., HK
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS9304 HUTCHISON-AS-AP HGC Global Communications Limited, HK
AS135273 NTCASIA-AS-AP NTC ASIA LIMITED, HK
AS10103 HKBN-AS-AP HK Broadband Network Ltd., HK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 16860 AS17975 ORIGIN Originate: 4096 /20.00 Transit: 0 /0.00 APT-AP AS # for peering purpose with IX and ISP., 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 % 6409 AS17975 APT-AP AS # for peering purpose with IX and I 16 10 3 9 7 43.75% Prefix AS Path Aggregation Suggestion 203.169.32.0/22 4777 2497 9304 17975 + Announce - aggregate of 203.169.32.0/23 (4777 2497 9304 17975) and 203.169.34.0/23 (4777 2497 9304 17975) 203.169.32.0/24 4777 2497 9304 17975 - Withdrawn - aggregated with 203.169.33.0/24 (4777 2497 9304 17975) 203.169.33.0/24 4777 2497 9304 17975 - Withdrawn - aggregated with 203.169.32.0/24 (4777 2497 9304 17975) 203.169.34.0/24 4777 2497 9304 17975 - Withdrawn - aggregated with 203.169.35.0/24 (4777 2497 9304 17975) 203.169.35.0/24 4777 2497 9304 17975 - Withdrawn - aggregated with 203.169.34.0/24 (4777 2497 9304 17975) 203.169.46.0/24 4608 24115 9902 135273 17975 203.169.47.0/24 4777 2497 9304 17975 221.120.176.0/23 4608 24115 9902 135273 17975 + Announce - aggregate of 221.120.176.0/24 (4608 24115 9902 135273 17975) and 221.120.177.0/24 (4608 24115 9902 135273 17975) 221.120.176.0/24 4608 24115 9902 135273 17975 - Withdrawn - aggregated with 221.120.177.0/24 (4608 24115 9902 135273 17975) 221.120.177.0/24 4608 24115 9902 135273 17975 - Withdrawn - aggregated with 221.120.176.0/24 (4608 24115 9902 135273 17975) 221.120.179.0/24 4777 2497 9304 17975 221.120.180.0/24 4777 2497 9304 17975 221.120.183.0/24 4777 2516 9269 10103 17975 221.120.184.0/22 4608 24115 9902 135273 17975 + Announce - aggregate of 221.120.184.0/23 (4608 24115 9902 135273 17975) and 221.120.186.0/23 (4608 24115 9902 135273 17975) 221.120.184.0/24 4608 24115 9902 135273 17975 - Withdrawn - aggregated with 221.120.185.0/24 (4608 24115 9902 135273 17975) 221.120.185.0/24 4608 24115 9902 135273 17975 - Withdrawn - aggregated with 221.120.184.0/24 (4608 24115 9902 135273 17975) 221.120.186.0/24 4608 24115 9902 135273 17975 - Withdrawn - aggregated with 221.120.187.0/24 (4608 24115 9902 135273 17975) 221.120.187.0/24 4608 24115 9902 135273 17975 - Withdrawn - aggregated with 221.120.186.0/24 (4608 24115 9902 135273 17975) 221.120.189.0/24 4608 24115 9902 135273 17975
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS17975 16 More Specifics 16 Total Advertisements APT-AP AS # for peering purpose with IX and ISP., HK
203.169.32.0/24 203.169.32.0/20
203.169.33.0/24 203.169.32.0/20
203.169.34.0/24 203.169.32.0/20
203.169.35.0/24 203.169.32.0/20
203.169.46.0/24 203.169.32.0/20
203.169.47.0/24 203.169.32.0/20
221.120.176.0/24 221.120.176.0/20
221.120.177.0/24 221.120.176.0/20
221.120.179.0/24 221.120.176.0/20
221.120.180.0/24 221.120.176.0/20
221.120.183.0/24 221.120.176.0/20
221.120.184.0/24 221.120.176.0/20
221.120.185.0/24 221.120.176.0/20
221.120.186.0/24 221.120.176.0/20
221.120.187.0/24 221.120.176.0/20
221.120.189.0/24 221.120.176.0/20
whois: 402332
IANA has recorded AS17975 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS17975\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2019-01-08T23:19:07Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS17975'
% Abuse contact for 'AS17975' is 'apt_dc_cs@apstar.com'
aut-num: AS17975
as-name: APT-AP
descr: AS # for peering purpose with IX and ISP.
descr: APT Datamatrix Limited
descr: Internet Access Provider, Telco Grade Carrier serving
descr: APT Satellite Holdings Ltd.
country: HK
export: to AS703 announce AS17975
export: to AS6453 announce AS17975
export: to AS9237 announce AS17975
export: to AS7540 announce AS17975
org: ORG-ATSL1-AP
admin-c: YW1169-AP
tech-c: YQ910-AP
abuse-c: AA1939-AP
notify: rickyyiu@apstar.com
mnt-lower: MAINT-HK-APTTEL
mnt-routes: MAINT-HK-APTTEL
mnt-by: APNIC-HM
mnt-irt: IRT-APT-HK
last-modified: 2023-07-03T03:38:48Z
source: APNIC
irt: IRT-APT-HK
address: 1/F., Phase 2,
address: 22 Dai Kwai St.,
address: Tai Po Industrial Estate
address: Hong Kong
e-mail: apt_dc_cs@apstar.com
abuse-mailbox: apt_dc_cs@apstar.com
admin-c: YW1169-AP
tech-c: YQ910-AP
auth: # Filtered
remarks: apt_dc_cs@apstar.com was validated on 2026-03-10
mnt-by: MAINT-HK-APTTEL
last-modified: 2026-03-10T13:39:08Z
source: APNIC
organisation: ORG-ATSL1-AP
org-name: APT Datamatrix Limited
org-type: LIR
country: HK
address: 22 Dai Kwai Street,
address: Tai Po Industrial Estate, Tai Po
address: New Territories
phone: +852-2600-2100
fax-no: +852-25220419
e-mail: apt_dc_cs@apstar.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:50Z
source: APNIC
role: ABUSE APTHK
country: ZZ
address: 1/F., Phase 2,
address: 22 Dai Kwai St.,
address: Tai Po Industrial Estate
address: Hong Kong
phone: +000000000
e-mail: apt_dc_cs@apstar.com
admin-c: YW1169-AP
tech-c: YQ910-AP
nic-hdl: AA1939-AP
remarks: Generated from irt object IRT-APT-HK
remarks: apt_dc_cs@apstar.com was validated on 2026-03-10
abuse-mailbox: apt_dc_cs@apstar.com
mnt-by: APNIC-ABUSE
last-modified: 2026-03-10T13:39:22Z
source: APNIC
person: Yuan Qiang
address: 1/F., Phase 1,
country: HK
phone: +852-26002268
e-mail: yuanqiang@apstar.com
nic-hdl: YQ910-AP
mnt-by: MAINT-HK-APTTEL
last-modified: 2016-12-09T06:46:48Z
source: APNIC
person: Yan Song Wang
nic-hdl: YW1169-AP
e-mail: wangys@apstar.com
address: 1/F., Phase 2,
address: 22 Dai Kwai St.,
address: Tai Po Industrial Estate
address: Hong Kong
phone: +852-26002135
fax-no: +852-26002133
country: HK
mnt-by: MAINT-HK-APTTEL
last-modified: 2016-12-09T06:34:49Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)