% APNIC found the following authoritative answer from: whois.apnic.net

% [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:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS139620'

% Abuse contact for 'AS139620' is 'kanhein@mtnpclmm.com'

aut-num:        AS139620
as-name:        MTNPCL-AS-AP
descr:          MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY LIMITED
country:        MM
org:            ORG-MTNP1-AP
admin-c:        MTNP1-AP
tech-c:         MTNP1-AP
abuse-c:        AM2853-AP
mnt-lower:      MAINT-MTNPCL-MM
mnt-routes:     MAINT-MTNPCL-MM
mnt-by:         APNIC-HM
mnt-irt:        IRT-MTNPCL-MM
last-modified:  2020-10-20T13:38:53Z
source:         APNIC

irt:            IRT-MTNPCL-MM
address:        No.288/290,MWEA Tower,R702,Shwedagon Pagoda,Dagon Tsp,YGN,MM, Yangon Yangon 11191
e-mail:         kanhein@mtnpclmm.com
abuse-mailbox:  kanhein@mtnpclmm.com
admin-c:        MTNP1-AP
tech-c:         MTNP1-AP
auth:           # Filtered
remarks:        kanhein@mtnpclmm.com
remarks:        kanhein@mtnpclmm.com
remarks:        kanhein@mtnpclmm.com was validated on 2026-09-23
mnt-by:         MAINT-MTNPCL-MM
last-modified:  2026-09-23T03:46:09Z
source:         APNIC

organisation:   ORG-MTNP1-AP
org-name:       MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY LIMITED
org-type:       LIR
country:        MM
address:        MTN Teleport, Corner of Htee-hlaing 1st Street and Kyansitth
address:        No.288/290,MWEA Tower,R702,Shwedagon Pagoda,Dagon Tsp,YGN,MM
phone:          +95-9-404060449
fax-no:         +95-1-379272
e-mail:         igwadmin@mtnpcl.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:54Z
source:         APNIC

role:           ABUSE MTNPCLMM
country:        ZZ
address:        No.288/290,MWEA Tower,R702,Shwedagon Pagoda,Dagon Tsp,YGN,MM, Yangon Yangon 11191
phone:          +000000000
e-mail:         kanhein@mtnpclmm.com
admin-c:        MTNP1-AP
tech-c:         MTNP1-AP
nic-hdl:        AM2853-AP
remarks:        Generated from irt object IRT-MTNPCL-MM
remarks:        kanhein@mtnpclmm.com was validated on 2026-09-23
abuse-mailbox:  kanhein@mtnpclmm.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-09-23T02:42:52Z
source:         APNIC

role:           MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY L
address:        No.288/290,MWEA Tower,R702,Shwedagon Pagoda,Dagon Tsp,YGN,MM, Yangon Yangon 11191
country:        MM
phone:          +95-9-456222456
e-mail:         noc@mtnpcl.com
admin-c:        MTNP1-AP
tech-c:         MTNP1-AP
nic-hdl:        MTNP1-AP
mnt-by:         MAINT-MTNPCL-MM
last-modified:  2019-08-29T01:43:36Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)