138.248.0.0/20

NetRange:       138.248.0.0 - 138.248.63.255
CIDR:           138.248.0.0/18
NetName:        RIPE-ERX-138-248-0-0
NetHandle:      NET-138-248-0-0-1
Parent:         NET138 (NET-138-0-0-0-0)
NetType:        Early Registrations, Transferred to RIPE NCC
OriginAS:       
Organization:   RIPE Network Coordination Centre (RIPE)
RegDate:        2003-12-11
Updated:        2019-08-15
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/138.248.0.0

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:        138.248.0.0 - 138.248.15.255
netname:        BALFOUR-BEATTY
descr:          Balfour Beatty Plc
country:        GB
org:            ORG-BB232-RIPE
admin-c:        MP25479-RIPE
tech-c:         MP25479-RIPE
status:         LEGACY
mnt-by:         AS8426-MNT
mnt-by:         RobShute
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-lower:      RobShute
mnt-routes:     RobShute
mnt-routes:     AS8426-MNT
created:        2019-06-24T21:18:59Z
last-modified:  2019-07-26T13:59:29Z
source:         RIPE
sponsoring-org: ORG-CA48-RIPE

organisation:   ORG-BB232-RIPE
org-name:       Balfour Beatty PLC
country:        GB
org-type:       OTHER
address:        5 Churchill Place, Canary Wharf, London, England, E14 5HU
abuse-c:        CH309-RIPE
mnt-ref:        AS8426-MNT
mnt-by:         AS8426-MNT
created:        2019-02-04T13:15:09Z
last-modified:  2022-12-01T17:30:59Z
source:         RIPE # Filtered

person:         Head of Secretariat
address:        Balfour Beatty Plc
address:        8th Floor, 5 Churchill Place, Canary Wharf,
address:        London
address:        E14 5HU
phone:          +442072166800
nic-hdl:        MP25479-RIPE
mnt-by:         RobShute
created:        2013-09-20T14:34:34Z
last-modified:  2017-05-15T08:27:09Z
source:         RIPE # Filtered

route:          138.248.0.0/20
descr:          BALFOUR-BEATTY
origin:         AS8426
mnt-by:         AS8426-MNT
created:        2019-06-18T08:01:36Z
last-modified:  2019-06-24T21:27:07Z
source:         RIPE