192.88.24.0/24

NetRange:       192.88.23.0 - 192.88.24.255
CIDR:           192.88.24.0/24, 192.88.23.0/24
NetName:        RIPE-ERX-192-88-23-0
NetHandle:      NET-192-88-23-0-1
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:        2005-02-28
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/192.88.23.0

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:        192.88.24.0 - 192.88.24.255
netname:        HLE-LAN
descr:          HTBLA Leonding
descr:          Limesstr. 12-14
descr:          A-4060 Leonding
country:        AT
admin-c:        HLA22-RIPE
tech-c:         SHL32-RIPE
status:         LEGACY
mnt-by:         ACONET-LIR-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2020-04-27T12:15:45Z
source:         RIPE

role:           HTBLA Leonding Admin
address:        Limesstr. 12-14
address:        A-4060 Leonding
phone:          +43732673368
fax-no:         +43732673324
nic-hdl:        HLA22-RIPE
mnt-by:         ACONET-LIR-MNT
created:        2020-04-27T12:07:48Z
last-modified:  2020-04-27T12:07:48Z
source:         RIPE # Filtered

role:           Sysadmin HTBLA Leonding
address:        Limesstr. 12-14
address:        A-4060 Leonding
phone:          +43732673368
fax-no:         +43732673324
nic-hdl:        SHL32-RIPE
mnt-by:         ACONET-LIR-MNT
created:        2020-04-27T12:05:26Z
last-modified:  2020-04-27T12:05:26Z
source:         RIPE # Filtered

route:          192.88.24.0/24
descr:          HLE-LAN
origin:         AS1853
mnt-by:         AS1853-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:32:28Z
source:         RIPE