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

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% Information related to '84.9.84.0 - 84.9.87.255'

% Abuse contact for '84.9.84.0 - 84.9.87.255' is 'ipabuse@vodafone.co.uk'

inetnum:        84.9.84.0 - 84.9.87.255
netname:        VODAFONE-DYN-IP
descr:          Dynamic IP Addresses
descr:          Vodafone Wholesale Broadband
descr:          sqyn02-bng-01 London
country:        GB
admin-c:        BC419-RIPE
tech-c:         BC419-RIPE
remarks:        INFRA-AW
status:         ASSIGNED PA
mnt-by:         BDDSL-MNT
created:        2016-10-18T12:39:38Z
last-modified:  2016-10-18T12:39:38Z
source:         RIPE

role:           Vodafone Limited
abuse-mailbox:  ipabuse@vodafone.co.uk
address:        114 Great Suffolk Street
address:        London
address:        SE1 0SL
remarks:        ---------------------------------------------------
remarks:        Please do NOT send abuse complaints to the contacts
remarks:        listed. Please email them to ipabuse@vodafone.co.uk
remarks:        ---------------------------------------------------
admin-c:        VUE4-RIPE
tech-c:         VUE4-RIPE
mnt-by:         VODAFONE-UK-MNTNER
nic-hdl:        BC419-RIPE
created:        2002-08-22T08:17:39Z
last-modified:  2024-03-14T13:49:10Z
source:         RIPE # Filtered

% Information related to '84.9.84.0/22AS25310'

route:          84.9.84.0/22
descr:          BIGFELLA_TRANSIT-SOUTH
origin:         AS25310
mnt-by:         BDDSL-MNT
created:        2017-12-05T11:05:00Z
last-modified:  2017-12-05T11:05:00Z
source:         RIPE

% Information related to '84.9.84.0/22AS5378'

route:          84.9.84.0/22
descr:          BIGFELLA_TRANSIT-SOUTH
origin:         AS5378
mnt-by:         BDDSL-MNT
created:        2016-02-22T12:11:09Z
last-modified:  2016-02-22T12:11:09Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.116 (ABERDEEN)