# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. # NetRange: 216.21.18.0 - 216.21.19.255 CIDR: 216.21.18.0/23 NetName: NATIONAL-DEFENSE-UNIVERSITY NetHandle: NET-216-21-18-0-1 Parent: NET216 (NET-216-0-0-0-0) NetType: Direct Allocation OriginAS: AS5721 Organization: National Defense University (NDU-1) RegDate: 2015-07-08 Updated: 2021-12-14 Comment: http://ndu.edu Ref: https://rdap.arin.net/registry/ip/216.21.18.0 OrgName: National Defense University OrgId: NDU-1 Address: Ft. McNair, Bldg. 62 City: Washington StateProv: DC PostalCode: 20319-6000 Country: US RegDate: 1994-10-04 Updated: 2015-05-07 Ref: https://rdap.arin.net/registry/entity/NDU-1 OrgTechHandle: CJH19-ARIN OrgTechName: hartley, christopher john OrgTechPhone: +1-202-685-4716 OrgTechEmail: chris.hartley.ctr@ndu.edu OrgTechRef: https://rdap.arin.net/registry/entity/CJH19-ARIN OrgAbuseHandle: CJH19-ARIN OrgAbuseName: hartley, christopher john OrgAbusePhone: +1-202-685-4716 OrgAbuseEmail: chris.hartley.ctr@ndu.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/CJH19-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. #