192.108.31.0/24

NetRange:       192.108.23.0 - 192.108.47.255
CIDR:           192.108.32.0/20, 192.108.24.0/21, 192.108.23.0/24
NetName:        RIPE-ERX-192-108-23-0
NetHandle:      NET-192-108-23-0-1
Parent:         NET192 (NET-192-0-0-0-0)
NetType:        Early Registrations, Transferred to RIPE NCC
OriginAS:       
Organization:   RIPE Network Coordination Centre (RIPE)
RegDate:        2005-02-28
Updated:        2005-04-11
Comment:        These addresses have been further assigned to users in
Comment:        the RIPE NCC region.  Contact information can be found in
Comment:        the RIPE database at http://www.ripe.net/whois
Ref:            https://rdap.arin.net/registry/ip/192.108.23.0

ResourceLink:  https://apps.db.ripe.net/search/query.html
ResourceLink:  whois.ripe.net

OrgName:        RIPE Network Coordination Centre
OrgId:          RIPE
Address:        P.O. Box 10096
City:           Amsterdam
StateProv:      
PostalCode:     1001EB
Country:        NL
RegDate:        
Updated:        2013-07-29
Ref:            https://rdap.arin.net/registry/entity/RIPE

ReferralServer:  whois://whois.ripe.net
ResourceLink:  https://apps.db.ripe.net/search/query.html

OrgAbuseHandle: ABUSE3850-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +31205354444 
OrgAbuseEmail:  abuse@ripe.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3850-ARIN

OrgTechHandle: RNO29-ARIN
OrgTechName:   RIPE NCC Operations
OrgTechPhone:  +31 20 535 4444 
OrgTechEmail:  hostmaster@ripe.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RNO29-ARIN

Found a referral to whois.ripe.net.

inetnum:        192.108.31.0 - 192.108.31.255
netname:        COCONET
descr:          CoCoNet Computer-Communication Networks GmbH
descr:          Steinhof 5
descr:          D-40699 Erkrath
descr:          Germany
country:        DE
admin-c:        UB176-RIPE
tech-c:         JT447-RIPE
tech-c:         SH717-RIPE
status:         LEGACY
mnt-by:         ISIS-MNT
mnt-by:         ARCOR-MNT
created:        2002-04-09T15:04:47Z
last-modified:  2019-12-04T13:03:59Z
source:         RIPE

person:         Juergen Tonn
address:        CoCoNet Computer-Communication Networks GmbH
address:        Steinhof 5
address:        D-40699 Erkrath
address:        Germany
phone:          +49 211 24902-0
fax-no:         +49 211 24902-200
nic-hdl:        JT447-RIPE
mnt-by:         ISIS-MNT
created:        2002-04-09T15:00:14Z
last-modified:  2008-05-20T12:37:37Z
source:         RIPE # Filtered

person:         Sven Hannisch
address:        CoCoNet Computer-Communication Networks GmbH
address:        Steinhof 5
address:        D-40699 Erkrath
address:        Germany
phone:          +49 211 24902-0
fax-no:         +49 211 24902-200
nic-hdl:        SH717-RIPE
mnt-by:         ISIS-MNT
created:        2002-04-09T15:01:18Z
last-modified:  2008-05-20T12:37:43Z
source:         RIPE # Filtered

person:         Ulrich Blank
address:        CoCoNet Computer-Communication Networks GmbH
address:        Steinhof 5
address:        D-40699 Erkrath
address:        Germany
phone:          +49 211 24902-0
fax-no:         +49 211 24902-200
nic-hdl:        UB176-RIPE
mnt-by:         ISIS-MNT
created:        2002-04-09T14:59:25Z
last-modified:  2008-05-20T12:37:26Z
source:         RIPE # Filtered

route:          192.108.31.0/24
descr:          CCNET
origin:         AS3209
mnt-by:         ARCOR-MNT
created:        2004-10-04T09:22:20Z
last-modified:  2004-10-04T09:22:20Z
source:         RIPE # Filtered