IP Address145.138.128.238WHOIS Serverwhois.ripe.net
Inet Nums
Start IP145.136.0.0End IP145.143.255.255CIDR145.136.0.0/13Net NameSURFparentblockCountriesNLStatusLEGACYOrganizationORG-Sb3-RIPEMNT BySN-LIR-MNT, RIPE-NCC-LEGACY-MNTMNT LowerSURF-AUTO-MNT, SN-LIR-MNTMNT RoutesSN-LIR-MNTMNT IRTirt-SURFcertDate Created2019-10-10Date Updated2025-10-02SourceRIPE
Organization
HandleORG-Sb3-RIPENameSURF B.V.TypeLIRAddressP.O. Box 19035, 3501 DA, Utrecht, NETHERLANDSCountryNLPhone+31887873000Admin ContactsHT3384-RIPE, MK512-RIPE, SNS1-RIPE, WB311-RIPE, NO17-RIPE, RS957-RIPE, JO5863-RIPE, MM57501-RIPEAbuse ContactsSNS1-RIPEMNT ByRIPE-NCC-HM-MNT, SN-LIR-MNTMNT RefRIPE-NCC-HM-MNT, SN-LIR-MNTDate Created2004-04-17Date Updated2023-02-21SourceRIPE
Administrative Contacts
HandleSNS1-RIPENameSURF Network MaintainerAddressKantoren Hoog Overborch (Hoog Catharijne), Moreelsepark 48, 3511 EP Utrecht, Postbus 19035, 3501 DA UtrechtAbuse Mailboxcert@surfcert.nlPhone+31 88 7873000Admin ContactsWB311-RIPETech ContactsNO17-RIPE, WB311-RIPE, MK512-RIPE, JO5863-RIPE, MM57501-RIPE, BW4086-RIPE, EV4604-RIPEMNT ByAS1103-MNTDate Created2002-07-09Date Updated2025-11-05SourceRIPE
Technical Contacts
HandleSNS1-RIPENameSURF Network MaintainerAddressKantoren Hoog Overborch (Hoog Catharijne), Moreelsepark 48, 3511 EP Utrecht, Postbus 19035, 3501 DA UtrechtAbuse Mailboxcert@surfcert.nlPhone+31 88 7873000Admin ContactsWB311-RIPETech ContactsNO17-RIPE, WB311-RIPE, MK512-RIPE, JO5863-RIPE, MM57501-RIPE, BW4086-RIPE, EV4604-RIPEMNT ByAS1103-MNTDate Created2002-07-09Date Updated2025-11-05SourceRIPE
Routes
Route145.138.0.0/16OriginAS1103DescriptionSURFnet CIDR Block II b-bMNT LowerAS1103-MNTMNT ByAS1103-MNTDate Created2020-04-09Date Updated2020-04-09SourceRIPE