151.236.224.0/20

NetRange:       151.0.0.0 - 151.255.255.255
CIDR:           151.0.0.0/8
NetName:        RIPE-ERX-151
NetHandle:      NET-151-0-0-0-0
Parent:          ()
NetType:        Early Registrations, Maintained by RIPE NCC
OriginAS:       
Organization:   RIPE Network Coordination Centre (RIPE)
RegDate:        1993-05-01
Updated:        2009-05-18
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/151.0.0.0

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:        151.236.224.0 - 151.236.239.255
netname:        SK-TO2SK-20120816
country:        SK
org:            ORG-TOSs1-RIPE
admin-c:        SKTO2-RIPE
tech-c:         SKTO2-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         O2SK-MNT
mnt-lower:      TO2SK-MNT
mnt-routes:     TO2SK-MNT
created:        2012-08-16T07:18:35Z
last-modified:  2017-08-08T13:48:33Z
source:         RIPE

organisation:   ORG-TOSS1-RIPE
org-name:       O2 Slovakia, s.r.o.
country:        SK
org-type:       LIR
address:        Einsteinova 24
address:        851 01
address:        Bratislava
address:        SLOVAKIA
phone:          +421 2 620 20 100
phone:          +421 940 99 00 99
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        O2SK-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         O2SK-MNT
admin-c:        SKTO2-RIPE
abuse-c:        SKTO2-RIPE
created:        2006-12-22T11:11:08Z
last-modified:  2023-05-04T12:16:53Z
source:         RIPE # Filtered

role:           SKTO2-RIPE role
address:        O2 Slovakia, s.r.o
address:        Einsteinova 24
address:        851 01 Bratislava
address:        Slovakia
admin-c:        IG3785-RIPE
tech-c:         BP323-RIPE
abuse-mailbox:  abuse@o2bs.sk
nic-hdl:        SKTO2-RIPE
mnt-by:         O2SK-MNT
created:        2006-11-03T10:31:34Z
last-modified:  2022-03-30T08:09:11Z
source:         RIPE # Filtered

route:          151.236.224.0/20
descr:          O2.SK
origin:         AS28952
mnt-by:         O2SK-MNT
created:        2023-05-12T12:03:51Z
last-modified:  2023-05-12T12:03:51Z
source:         RIPE