151.236.121.0/24

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:        151.236.104.0 - 151.236.127.255
netname:        CDNVIDEO-NET
descr:          CDNvideo LLC
country:        RU
admin-c:        CN11607-RIPE
tech-c:         CN11607-RIPE
status:         ASSIGNED PA
mnt-by:         CDNvideo-mnt
created:        2013-01-15T09:48:46Z
last-modified:  2023-03-27T15:20:12Z
source:         RIPE

role:           CDNvideo's NOC
address:        SOLYANKA STR., D. 13/3, STR. 1, MUNICIPAL DISTRICT TAGANSKIY
address:        109028, Moscow,
address:        Russian Federation
org:            ORG-CL197-RIPE
nic-hdl:        CN11607-RIPE
mnt-by:         CDNvideo-mnt
created:        2023-03-27T15:08:43Z
last-modified:  2023-03-27T15:41:40Z
source:         RIPE # Filtered

route:          151.236.121.0/24
mnt-routes:     ru-quantil-1-mnt
descr:          node subnet
origin:         AS204720
mnt-by:         CDNvideo-mnt
created:        2019-03-27T00:55:01Z
last-modified:  2019-03-27T00:55:01Z
source:         RIPE