PTR (Reverse DNS):                     
             
Lookup results for 81.23.229.39 from whois.arin.net server:

NetRange:       81.0.0.0 - 81.255.255.255
CIDR:           81.0.0.0/8
NetName:        81-RIPE
NetHandle:      NET-81-0-0-0-1
Parent:          ()
NetType:        Allocated to RIPE NCC
OriginAS:
Organization:   RIPE Network Coordination Centre (RIPE)
RegDate:
Updated:        2009-03-25
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/81.0.0.0
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

Lookup results for 81.23.229.39 from whois.ripe.net server:

inetnum:        81.23.229.0 - 81.23.229.255
netname:        NL-NETHOLDING-BGP-CORE
descr:          NetHolding Hosting Facilities, NL
descr:          BGP network
country:        NL
admin-c:        NHNO1-RIPE
tech-c:         NHNO1-RIPE
status:         ASSIGNED PA
mnt-by:         NETHOLDING-MNT
mnt-routes:     NETHOLDING-MNT
remarks:        INFRA-AW
created:        2003-02-13T10:10:18Z
last-modified:  2003-12-09T12:34:10Z
source:         RIPE # Filtered
role:           NetHolding Hosting Facilities Noc
address:        GarnierHolding B.V.
address:        Bovenweg 25
address:        6721 HV Bennekom
address:        The Netherlands
phone:          +31 318 504309
fax-no:         +31 318 575321
admin-c:        NHRG1-RIPE
tech-c:         NHRG1-RIPE
nic-hdl:        NHNO1-RIPE
remarks:        ------------------------------------------------------
remarks:        GarnierHolding B.V. / NetHolding Hosting Facilities
remarks:        is providing collocated / hosting services delivering
remarks:        bandwidth to access and hosting providers.
remarks:        ---
remarks:        for any abusemail use abuse@netholding.nl
remarks:        ---
remarks:        for any technical issues use noc@netholding.nl
remarks:        ---
remarks:        for a peering request use peering@netholding.nl
remarks:        ---
remarks:        for more information use info@netholding.nl
remarks:        ------------------------------------------------------
mnt-by:         NETHOLDING-MNT
created:        2003-02-19T10:22:09Z
last-modified:  2013-08-26T13:12:19Z
source:         RIPE # Filtered
route:          81.23.224.0/20
descr:          Netholding Hosting Facilities
origin:         AS24730
mnt-by:         NETHOLDING-MNT
created:        2019-01-28T10:30:27Z
last-modified:  2019-01-28T10:30:27Z
source:         RIPE # Filtered