IP Address163.138.165.199WHOIS Serverwhois.apnic.net
Inet Nums
Start IP163.138.0.0End IP163.138.255.255CIDR163.138.0.0/16Net NameNTTECL-JPDescriptionNippon Telegraph and Telephone CorporationCountriesJPStatusALLOCATED PORTABLEOrganizationORG-NTAT1-APRemarks--------------------------------------------------------, To report network abuse, please contact mnt-irt, For troubleshooting, please contact tech-c and admin-c, Report invalid contact via www.apnic.net/invalidcontact, --------------------------------------------------------MNT ByAPNIC-HMMNT LowerMAINT-JP-NTTECL-JPMNT RoutesMAINT-JP-NTTECL-JPMNT IRTIRT-NTTECL-JPDate Updated2023-01-25SourceAPNIC
Incident Response Team (IRT)
HandleIRT-NTTECL-JPAddress3-9-11 Midori-cho, Musashino-shi, Tokyo, JapanCountryJAPANEmailrd-it-helpdesk@ml.ntt.comAbuse Mailboxrd-it-helpdesk@ml.ntt.comAdmin ContactsTF79-APTech ContactsTF79-APRemarksrd-it-helpdesk@ml.ntt.com was validated on 2025-08-04MNT ByMAINT-JP-NTTECL-JPDate Updated2025-11-18SourceAPNIC
Organization
HandleORG-NTAT1-APNameNippon Telegraph and Telephone CorporationTypeLIRAddress3-9-11 Midori-cho Musashino-shiCountryJPEmailit-pb@ml.ntt.comPhone+81-422-59-2725Fax No+81-422-59-5637MNT ByAPNIC-HMMNT RefAPNIC-HMDate Updated2023-09-05SourceAPNIC
Administrative Contacts
HandleCIO2-APNameCIO OfficeAddress3-9-11 Midori-cho, Musashino-shi, Tokyo, 180-8585 JapanCountryJPEmailit-pb@hco.ntt.co.jpPhone+81-422-59-2725Fax No+81-422-59-5600Admin ContactsNIC10-APTech ContactsNIC10-APMNT ByMAINT-JP-NTTELECTCOMLABDate Updated2019-03-28SourceAPNIC
Technical Contacts
HandleNIC10-APNameNetwork Information CenterAddress3-9-11 Midori-cho, Musashino-shi, Tokyo 180-0012CountryJPEmailsd-hosyu-b@ml.ntt.comPhone+81-422-59-4200Admin ContactsNIC10-APTech ContactsNIC10-APNotifysd-hosyu-b@ml.ntt.comMNT ByMAINT-JP-NTTECL-JPDate Updated2023-06-23SourceAPNIC
Abuse Contacts
HandleAN845-APNameABUSE NTTECLJPAddress3-9-11 Midori-cho, Musashino-shi, Tokyo, JapanCountryZZEmailrd-it-helpdesk@ml.ntt.comAbuse Mailboxrd-it-helpdesk@ml.ntt.comPhone+000000000Admin ContactsTF79-APTech ContactsTF79-APRemarksGenerated from irt object IRT-NTTECL-JP, rd-it-helpdesk@ml.ntt.com was validated on 2025-08-04MNT ByAPNIC-ABUSEDate Updated2025-08-04SourceAPNIC
Routes
Route163.138.160.0/19OriginAS173DescriptionNippon Telegraph and Telephone Corporation, 3-9-11 Midori-cho Musashino-shiMNT ByMAINT-JP-NTTECL-JPDate Updated2023-06-27SourceAPNIC
