% 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 '103.135.136.0 - 103.135.139.255'

% Abuse contact for '103.135.136.0 - 103.135.139.255' is 'anwareitel@gmail.com'

inetnum:        103.135.136.0 - 103.135.139.255
netname:        SPIDERNET-BD
descr:          Spider Net
country:        BD
org:            ORG-SN17-AP
admin-c:        SNA79-AP
tech-c:         SNA79-AP
abuse-c:        AS3061-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-SPIDERNET-BD
mnt-routes:     MAINT-SPIDERNET-BD
mnt-irt:        IRT-SPIDERNET-BD
last-modified:  2021-01-20T03:45:04Z
source:         APNIC

irt:            IRT-SPIDERNET-BD
address:        7 No. Nabab Sirajjuddoula Road, Kotowali, Chittagong Chittagong 4000
e-mail:         anwareitel@gmail.com
abuse-mailbox:  anwareitel@gmail.com
admin-c:        SNA79-AP
tech-c:         SNA79-AP
auth:           # Filtered
remarks:        anwareitel@gmail.com was validated on 2026-01-13
mnt-by:         MAINT-SPIDERNET-BD
last-modified:  2026-01-13T14:09:32Z
source:         APNIC

organisation:   ORG-SN17-AP
org-name:       Spider Net
org-type:       LIR
country:        BD
address:        7 No. Nabab Sirajjuddoula Road, Kotowali
phone:          +8801837686343
e-mail:         info@spidernetctg.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:44Z
source:         APNIC

role:           ABUSE SPIDERNETBD
country:        ZZ
address:        7 No. Nabab Sirajjuddoula Road, Kotowali, Chittagong Chittagong 4000
phone:          +000000000
e-mail:         anwareitel@gmail.com
admin-c:        SNA79-AP
tech-c:         SNA79-AP
nic-hdl:        AS3061-AP
remarks:        Generated from irt object IRT-SPIDERNET-BD
remarks:        anwareitel@gmail.com was validated on 2026-01-13
abuse-mailbox:  anwareitel@gmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-13T14:10:00Z
source:         APNIC

role:           Spider Net administrator
address:        7 No. Nabab Sirajjuddoula Road, Kotowali, Chittagong Chittagong 4000
country:        BD
phone:          +8801837686343
e-mail:         abuse@spidernetctg.com
admin-c:        SNA79-AP
tech-c:         SNA79-AP
nic-hdl:        SNA79-AP
mnt-by:         MAINT-SPIDERNET-BD
last-modified:  2019-02-26T06:34:17Z
source:         APNIC

% Information related to '103.135.136.0/24AS138651'

route:          103.135.136.0/24
descr:          Maintained By Spidernet
origin:         AS138651
mnt-by:         MAINT-SPIDERNET-BD
country:        BD
notify:         admin@spidernetctg.com
remarks:        IP for Spidernet, Bangladesh
last-modified:  2019-03-11T09:23:42Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)