142561 XTDEF-LIMITED-AS-AP XTDEF Limited, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS20473 AS-VULTR - The Constant Company, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 53320 AS142561 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 XTDEF-LIMITED-AS-AP XTDEF Limited, US
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 % 56727 AS142561 XTDEF-LIMITED-AS-AP XTDEF Limited, US 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 31.59.117.0/24 4777 2516 3491 20473 142561 143.20.23.0/24 4777 2516 3491 20473 142561
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS142561 2 More Specifics 2 Total Advertisements XTDEF-LIMITED-AS-AP XTDEF Limited, US
31.59.117.0/24 31.56.0.0/14
143.20.23.0/24 143.20.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 143.20.23.0/24 Announced
whois: 402332
IANA has recorded AS142561 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS142561\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS141626 - AS142649'
as-block: AS141626 - AS142649
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: 2020-10-21T04:09:48Z
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 'AS142561'
% Abuse contact for 'AS142561' is 'abuse@hostus.us'
aut-num: AS142561
as-name: XTDEF-LIMITED-AS-AP
descr: XTDEF Limited
descr: Cloud services - Hong Kong
country: US
org: ORG-XL12-AP
sponsoring-org: ORG-HSL1-AP
admin-c: XL3592-AP
tech-c: XL3592-AP
abuse-c: AH835-AP
mnt-routes: MAINT-HUS-AP
mnt-by: APNIC-HM
mnt-irt: IRT-HUS-AP
last-modified: 2023-09-05T04:15:01Z
source: APNIC
irt: IRT-HUS-AP
address: 8 The Green, Ste 4000
e-mail: abuse@hostus.us
abuse-mailbox: abuse@hostus.us
admin-c: HSLA2-AP
tech-c: HSLA2-AP
auth: # Filtered
remarks: IP addresses from this network are further allocated or assigned to customers.
remarks: Please send all abuse reports to abuse@hostus.us
remarks: Abuse reports must be submitted through email with the IP address in title.
remarks: abuse@hostus.us was validated on 2025-12-01
mnt-by: MAINT-HUS-AP
last-modified: 2025-12-01T17:02:12Z
source: APNIC
organisation: ORG-XL12-AP
org-name: XTDEF Limited
org-type: OTHER
address: Room 1405, Trade Centre, 135 Bonham Strand, Sheung Wan
country: HK
phone: +852.81229631
e-mail: hostus@xtdef.com
admin-c: XL3592-AP
tech-c: XL3592-AP
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T04:14:59Z
source: APNIC
role: ABUSE HUSAP
country: ZZ
address: 8 The Green, Ste 4000
phone: +000000000
e-mail: abuse@hostus.us
admin-c: HSLA2-AP
tech-c: HSLA2-AP
nic-hdl: AH835-AP
remarks: Generated from irt object IRT-HUS-AP
remarks: abuse@hostus.us was validated on 2025-12-01
abuse-mailbox: abuse@hostus.us
mnt-by: APNIC-ABUSE
last-modified: 2025-12-01T17:02:52Z
source: APNIC
person: XTDEF Limited
address: Room 1405, Trade Centre, 135 Bonham Strand, Sheung Wan
country: HK
phone: +852.81229631
e-mail: hostus@xtdef.com
nic-hdl: XL3592-AP
mnt-by: MAINT-HUS-AP
last-modified: 2021-06-30T14:44:34Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)