% 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 '151.123.144.0 - 151.123.159.255'

% Abuse contact for '151.123.144.0 - 151.123.159.255' is 'info@yottabyte.ltd'

inetnum:        151.123.144.0 - 151.123.159.255
netname:        YOTTABYTE-PK
descr:          Yotta Byte (Pvt) Ltd
country:        PK
org:            ORG-YBL3-AP
admin-c:        YBPL1-AP
tech-c:         YBPL1-AP
abuse-c:        AY511-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-YOTTABYTE-PK
mnt-routes:     MAINT-YOTTABYTE-PK
mnt-irt:        IRT-YOTTABYTE-PK
last-modified:  2026-05-03T08:53:42Z
geofeed:        https://geofeed.pknog.com/geofeed.csv
source:         APNIC

irt:            IRT-YOTTABYTE-PK
address:        Office M-19-A/1, Sahil Promenade, Block 3, KDA 5, Clifton, Karachi Sindh 75600
e-mail:         info@yottabyte.ltd
abuse-mailbox:  info@yottabyte.ltd
admin-c:        YBPL1-AP
tech-c:         YBPL1-AP
auth:           # Filtered
remarks:        info@yottabyte.ltd is invalid
mnt-by:         MAINT-YOTTABYTE-PK
last-modified:  2026-04-29T13:07:25Z
source:         APNIC

organisation:   ORG-YBL3-AP
org-name:       Yotta Byte (Pvt.) Ltd
org-type:       LIR
country:        PK
address:        Office M-19-A/1, Sahil Promenade, Block 3, KDA 5, Clifton
phone:          +922135895124
e-mail:         info@yottabyte.ltd
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:10Z
source:         APNIC

role:           ABUSE YOTTABYTEPK
country:        ZZ
address:        Office M-19-A/1, Sahil Promenade, Block 3, KDA 5, Clifton, Karachi Sindh 75600
phone:          +000000000
e-mail:         info@yottabyte.ltd
admin-c:        YBPL1-AP
tech-c:         YBPL1-AP
nic-hdl:        AY511-AP
remarks:        Generated from irt object IRT-YOTTABYTE-PK
remarks:        info@yottabyte.ltd is invalid
abuse-mailbox:  info@yottabyte.ltd
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-29T13:08:11Z
source:         APNIC

role:           Yotta Byte Pvt Ltd administrator
address:        Office M-19-A/1, Sahil Promenade, Block 3, KDA 5, Clifton, Karachi Sindh 75600
country:        PK
phone:          +922135895124
e-mail:         info@yottabyte.ltd
admin-c:        YBPL1-AP
tech-c:         YBPL1-AP
nic-hdl:        YBPL1-AP
mnt-by:         MAINT-YOTTABYTE-PK
last-modified:  2020-04-14T10:38:45Z
source:         APNIC

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