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

% [whois.apnic.net]
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% Information related to '137.59.64.0 - 137.59.67.255'

% Abuse contact for '137.59.64.0 - 137.59.67.255' is 'vinayd@joister.net'

inetnum:        137.59.64.0 - 137.59.67.255
netname:        JOISTER-SPRINTNET
descr:          SPRINTNET
admin-c:        MN503-AP
tech-c:         MN503-AP
country:        IN
mnt-by:         MAINT-IN-IRINN
mnt-irt:        IRT-JOISTERSPRINTNET-IN
mnt-routes:     MAINT-IN-JOISTERSPRINTNET
mnt-routes:     MAINT-IN-IRINN
status:         ASSIGNED PORTABLE
last-modified:  2025-08-11T22:56:46Z
source:         APNIC

irt:            IRT-JOISTERSPRINTNET-IN
address:        A/304 SHIVRANJAN S R A SOCIETY LAXMAN NAGAR SHIVSHAKTI COLONY KURAR VILLAGE MALAD EAST MUMBAI ,Mumbai,Maharashtra-400097
e-mail:         nikunj@joister.net
abuse-mailbox:  vinayd@joister.net
admin-c:        MN503-AP
tech-c:         MN503-AP
auth:           # Filtered
mnt-by:         MAINT-IN-JOISTERSPRINTNET
mnt-by:         MAINT-IN-IRINN
last-modified:  2026-07-27T09:45:33Z
source:         APNIC

role:           manager noc
address:        A/304 SHIVRANJAN S R A SOCIETY LAXMAN NAGAR SHIVSHAKTI COLONY KURAR VILLAGE MALAD EAST MUMBAI ,Mumbai,Maharashtra-400097
country:        IN
phone:          +91 02261356101
e-mail:         nikunj@joister.net
admin-c:        RP499-AP
tech-c:         RP499-AP
nic-hdl:        MN503-AP
mnt-by:         MAINT-IN-JOISTERSPRINTNET
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T09:56:33Z
source:         APNIC

% Information related to '137.59.66.0/24AS45194'

route:          137.59.66.0/24
descr:          Route & ROA
country:        IN
origin:         AS45194
mnt-by:         MAINT-IN-JOISTERSPRINTNET
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IRINN
last-modified:  2025-12-14T22:18:24Z
source:         APNIC

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