% 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 'AS135581 - AS136505'

as-block:       AS135581 - AS136505
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:  2016-05-26T03:42:37Z
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 'AS135597'

% Abuse contact for 'AS135597' is 'aguntukk@gmail.com'

aut-num:        AS135597
as-name:        GBN-AS-AP
descr:          Gaibandha Broadband Network
country:        BD
org:            ORG-GRN1-AP
admin-c:        GRNA1-AP
tech-c:         GRNA1-AP
abuse-c:        AG1109-AP
mnt-lower:      MAINT-GBN-BD
mnt-routes:     MAINT-GBN-BD
mnt-by:         APNIC-HM
mnt-irt:        IRT-GBN-BD
last-modified:  2021-08-18T09:31:06Z
source:         APNIC

irt:            IRT-GBN-BD
address:        Bridge Road, Gaibandha, Gaibandha Rangpur 5700
e-mail:         aguntukk@gmail.com
abuse-mailbox:  aguntukk@gmail.com
admin-c:        GRNA1-AP
tech-c:         GRNA1-AP
auth:           # Filtered
remarks:        aguntukk@gmail.com was validated on 2026-01-29
mnt-by:         MAINT-GBN-BD
last-modified:  2026-01-29T06:51:34Z
source:         APNIC

organisation:   ORG-GRN1-AP
org-name:       Gaibandha Broadband Network
org-type:       LIR
country:        BD
address:        Bridge Road, Gaibandha
phone:          +8801710054993
e-mail:         info@gbnbd.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:30Z
source:         APNIC

role:           ABUSE GBNBD
country:        ZZ
address:        Bridge Road, Gaibandha, Gaibandha Rangpur 5700
phone:          +000000000
e-mail:         aguntukk@gmail.com
admin-c:        GRNA1-AP
tech-c:         GRNA1-AP
nic-hdl:        AG1109-AP
remarks:        Generated from irt object IRT-GBN-BD
remarks:        aguntukk@gmail.com was validated on 2026-01-29
abuse-mailbox:  aguntukk@gmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-29T06:51:53Z
source:         APNIC

role:           gaibandha roadband network administrator
address:        Bridge Road, Gaibandha, Gaibandha Rangpur 5700
country:        BD
phone:          +8801710054993
e-mail:         aguntukk@gmail.com
admin-c:        GRNA1-AP
tech-c:         GRNA1-AP
nic-hdl:        GRNA1-AP
mnt-by:         MAINT-GBN-BD
last-modified:  2021-08-18T09:30:19Z
source:         APNIC

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