139903 RETN-AS-AP RETN Telecoms Ltd., TW
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9002 RETN-AS, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 52812 AS139903 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 RETN-AS-AP RETN Telecoms Ltd., TW
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 % 55838 AS139903 RETN-AS-AP RETN Telecoms Ltd., TW 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 103.146.250.0/23 4608 24115 9002 139903
whois: 402332
IANA has recorded AS139903 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS139903\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS139578 - AS140601'
as-block: AS139578 - AS140601
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: 2019-06-13T01:03:23Z
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 'AS139903'
% Abuse contact for 'AS139903' is 'abuse@retn.net'
aut-num: AS139903
as-name: RETN-AS-AP
descr: RETN Telecoms Ltd.
country: TW
org: ORG-RTL4-AP
admin-c: RTLA4-AP
tech-c: RTLA4-AP
abuse-c: AR887-AP
mnt-lower: MAINT-RETN-TW
mnt-routes: MAINT-RETN-TW
mnt-by: APNIC-HM
mnt-irt: IRT-RETN-TW
last-modified: 2025-08-26T16:48:03Z
notify: mntrdb@retn.net
source: APNIC
irt: IRT-RETN-TW
address: 7F.-3, No.103, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei
e-mail: abuse@retn.net
abuse-mailbox: abuse@retn.net
admin-c: RTLA4-AP
tech-c: RTLA4-AP
auth: # Filtered
remarks: abuse@retn.net was validated on 2026-02-17
mnt-by: MAINT-RETN-TW
last-modified: 2026-02-17T13:12:52Z
source: APNIC
organisation: ORG-RTL4-AP
org-name: RETN Telecoms Ltd.
org-type: LIR
country: TW
address: 9F-5, No. 70 Yanping S. Road
address: Zhongzheng District
phone: +886-2-2511-0013
e-mail: noc@retn.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:17:59Z
source: APNIC
role: ABUSE RETNTW
country: ZZ
address: 7F.-3, No.103, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei
phone: +000000000
e-mail: abuse@retn.net
admin-c: RTLA4-AP
tech-c: RTLA4-AP
nic-hdl: AR887-AP
remarks: Generated from irt object IRT-RETN-TW
remarks: abuse@retn.net was validated on 2026-02-17
abuse-mailbox: abuse@retn.net
mnt-by: APNIC-ABUSE
last-modified: 2026-02-17T13:13:05Z
source: APNIC
role: RETN Telecoms Ltd administrator
address: 7F.-3, No.103, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei
country: TW
phone: +886 2 2511 0013
fax-no: +886 2 2511 0013
e-mail: abuse@retn.net
admin-c: RTLA4-AP
tech-c: RTLA4-AP
nic-hdl: RTLA4-AP
mnt-by: MAINT-RETN-TW
last-modified: 2019-12-23T00:33:24Z
source: APNIC
% Information related to 'AS139578 - AS140601'
as-block: AS139578 - AS140601
descr: APNIC ASN block
admin-c: IA55-AP
tech-c: IH123-AP
mnt-by: MNT-APJII-ID
mnt-lower: MNT-APJII-ID
last-modified: 2026-02-15T00:06:08Z
source: IDNIC
role: ID-NIC ADMINISTRATORS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
admin-c: IH288-AP
tech-c: IH288-AP
nic-hdl: IA55-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2026-02-25T04:06:45Z
source: IDNIC
role: ID-NIC HOSTMASTERS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
remarks: spam and abuse report : abuse@apjii.or.id
remarks: technical and routing : support@apjii.or.id
remarks: administrative request : admin@apjii.or.id
remarks: IDNIC hostmasters role object
admin-c: IH1-AP
tech-c: IH1-AP
nic-hdl: IH123-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2024-07-10T05:48:59Z
source: IDNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)