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

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% Information related to '2402:8100::/32'

% Abuse contact for '2402:8100::/32' is 'Security.alert@idea.adityabirla.com'

inet6num:       2402:8100::/32
netname:        ICL-NET-IN
descr:          Idea Cellular Limited
country:        IN
admin-c:        RC1132-AP
tech-c:         ICLn1-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-IN-IRINN
mnt-lower:      MAINT-ICL-NET-IN
mnt-routes:     MAINT-ICL-NET-IN
mnt-irt:        IRT-ICL-NET-IN
last-modified:  2015-04-21T04:22:20Z
source:         APNIC

irt:            IRT-ICL-NET-IN
address:        Idea Cellular Ltd,10thFloor,BirlaCenturion,PandurangBudhkarMarg,Worli,Mumbai-400030.
e-mail:         Security.alert@idea.adityabirla.com
abuse-mailbox:  Security.alert@idea.adityabirla.com
admin-c:        ICLn1-AP
tech-c:         ICLn1-AP
auth:           # Filtered
mnt-by:         MAINT-ICL-NET-IN
last-modified:  2018-04-20T04:58:54Z
remarks:        **In case of any Abuse/Cyber Crime please email Security.alert@idea.adityabirla.com **
source:         APNIC

role:           IDEA CELLULAR LIMITED - network administrator
address:        Idea Cellular Limited
address:        10th Floor,
address:        Birla Centurion,
address:        Pandurang Budhkar Marg,
address:        Worli, Mumbai-400030.
country:        IN
phone:          +91-22-66820311
fax-no:         +91-22-66820499
e-mail:         m.satyanarayanan@idea.adityabirla.com
admin-c:        RC1132-AP
tech-c:         RC1132-AP
nic-hdl:        ICLN1-AP
mnt-by:         MAINT-ICL-NET-IN
last-modified:  2018-03-09T07:08:13Z
source:         APNIC

person:         Ramachandran C
address:        Idea Cellular Limited
address:        10th Floor,
address:        Birla Centurion,
address:        Pandurang Budhkar Marg,
address:        Worli, Mumbai-400030.
country:        IN
phone:          +91-11-23210134
phone:          +91-11-23210135
phone:          +91-11-23210136
e-mail:         c.ramachandran@idea.adityabirla.com
nic-hdl:        RC1132-AP
mnt-by:         MAINT-ICL-NET-IN
last-modified:  2018-03-08T10:34:23Z
source:         APNIC

% Information related to '2402:8100:261c::/48AS45271'

route6:         2402:8100:261c::/48
descr:          Idea Cellular Ltd
origin:         AS45271
notify:         bhaskar.patel@vodafoneidea.com
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-ICL-NET-IN
last-modified:  2019-12-24T14:01:07Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU3)

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