% 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 'AS152890 - AS153913'

as-block:       AS152890 - AS153913
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:  2023-05-11T00:08:48Z
source:         APNIC

role:           APNIC Hostmaster
address:        P.O. BOX 2131
address:        4101 QLD
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:  2026-08-14T00:28:10Z
source:         APNIC

% Information related to 'AS153596'

% Abuse contact for 'AS153596' is 'abuse@swis.com.pk'

aut-num:        AS153596
as-name:        SWISPPL-AS-AP
descr:          SWIS
country:        PK
org:            ORG-SA245-AP
admin-c:        SA1431-AP
tech-c:         SA1431-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-SWISPPL-PK
mnt-routes:     MAINT-SWISPPL-PK
mnt-lower:      MAINT-SWISPPL-PK
abuse-c:        AS3806-AP
last-modified:  2026-04-27T15:08:10Z
source:         APNIC

irt:            IRT-SWISPPL-PK
address:        Office # 204, Mail of Faisalabad, Faisalabad
e-mail:         admin@swis.com.pk
abuse-mailbox:  abuse@swis.com.pk
admin-c:        MI514-AP
tech-c:         MI514-AP
auth:           # Filtered
remarks:        admin@swis.com.pk was validated on 2026-04-27
remarks:        abuse@swis.com.pk was validated on 2026-04-27
mnt-by:         MAINT-SWISPPL-PK
last-modified:  2026-04-27T15:19:19Z
source:         APNIC

organisation:   ORG-SA245-AP
org-name:       SWIS
org-type:       LIR
country:        PK
address:        Office # 204, Mail of Faisalabad, Faisalabad
address:        Pakistan
phone:          +923017200033
e-mail:         info@swis.com.pk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-04-28T13:23:05Z
source:         APNIC

role:           ABUSE SWISPPLPK
country:        ZZ
address:        Office # 204, Mail of Faisalabad, Faisalabad
phone:          +000000000
e-mail:         admin@swis.com.pk
admin-c:        MI514-AP
tech-c:         MI514-AP
nic-hdl:        AS3806-AP
remarks:        Generated from irt object IRT-SWISPPL-PK
remarks:        admin@swis.com.pk was validated on 2026-04-27
remarks:        abuse@swis.com.pk was validated on 2026-04-27
abuse-mailbox:  abuse@swis.com.pk
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-27T15:19:48Z
source:         APNIC

role:           SWIS Administrator
address:        Office#204, Mail of Faisalabad, Faisalabad
country:        PK
phone:          +923017200033
e-mail:         admin@swis.com.pk
admin-c:        MI514-AP
tech-c:         MI514-AP
nic-hdl:        SA1431-AP
mnt-by:         MAINT-SWISPPL-PK
last-modified:  2026-04-27T14:56:22Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)