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

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% The objects are in RPSL format.
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% Information related to '188.233.112.0 - 188.233.119.255'

% Abuse contact for '188.233.112.0 - 188.233.119.255' is 'abuse@domru.ru'

inetnum:        188.233.112.0 - 188.233.119.255
netname:        ERTH-VLG-PPPOE-7-NET
descr:          CJSC "ER-Telecom Holding" Volgograd branch
descr:          Volgograd, Russia
descr:          Individual PPPoE customers
remarks:        INFRA-AW
country:        RU
admin-c:        ELVD1-RIPE
org:            ORG-CHVB2-RIPE
tech-c:         ELVD1-RIPE
status:         ASSIGNED PA
mnt-by:         RAID-MNT
created:        2011-02-21T19:06:26Z
last-modified:  2011-02-21T19:06:26Z
source:         RIPE # Filtered

organisation:   ORG-CHVB2-RIPE
org-name:       JSC "ER-Telecom Holding" Volgograd Branch
org-type:       OTHER
descr:          TM DOM.RU, Volgograd ISP
address:        Komsomol'skaya str., 6
address:        Volgograd, Russia, 400087
phone:          +7 (8442) 532-100
fax-no:         +7 (8442) 532-100
admin-c:        ELVD1-RIPE
tech-c:         ELVD1-RIPE
abuse-c:        RAID1-RIPE
mnt-ref:        RAID-MNT
mnt-by:         RAID-MNT
created:        2011-01-13T12:30:31Z
last-modified:  2019-10-16T05:09:37Z
source:         RIPE # Filtered

role:           JSC "ER-Telecom Holding" ISP Volgograd Branch Contact Role
address:        JSC "ER-Telecom Holding" Volgograd Branch
address:        Sevastopol'skaya str., 58
address:        400087 Volgograd
address:        Russian Federation
phone:          +7 8442 53-20-20
fax-no:         +7 8442 53-20-20
admin-c:        RAID1-RIPE
tech-c:         RAID1-RIPE
tech-c:         RAID1-RIPE
nic-hdl:        ELVD1-RIPE
mnt-by:         RAID-MNT
created:        2006-02-17T06:37:30Z
last-modified:  2019-11-26T07:09:39Z
source:         RIPE # Filtered

% Information related to '188.233.112.0/22AS39435'

route:          188.233.112.0/22
origin:         AS39435
org:            ORG-CHVB2-RIPE
descr:          CJSC "ER-Telecom Holding" Volgograd branch
descr:          Volgograd, Russia
mnt-by:         RAID-MNT
created:        2011-02-21T19:06:28Z
last-modified:  2011-02-21T19:06:28Z
source:         RIPE # Filtered

organisation:   ORG-CHVB2-RIPE
org-name:       JSC "ER-Telecom Holding" Volgograd Branch
org-type:       OTHER
descr:          TM DOM.RU, Volgograd ISP
address:        Komsomol'skaya str., 6
address:        Volgograd, Russia, 400087
phone:          +7 (8442) 532-100
fax-no:         +7 (8442) 532-100
admin-c:        ELVD1-RIPE
tech-c:         ELVD1-RIPE
abuse-c:        RAID1-RIPE
mnt-ref:        RAID-MNT
mnt-by:         RAID-MNT
created:        2011-01-13T12:30:31Z
last-modified:  2019-10-16T05:09:37Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.114 (BUSA)

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