IPv4 block 216.21.18.0/23
216.21.18.0/23 is registered to National Defense University (ARIN, US).
- CIDR
- 216.21.18.0/23
- Range
- 216.21.18.0 – 216.21.19.255
- Organization
- National Defense University
- Network name
- NATIONAL-DEFENSE-UNIVERSITY
- RIR
- ARIN
- Country
- US
- ASN
- AS5721
- AS name
- NDU-NET - National Defense University, US
- Type
- DIRECT ALLOCATION
- Handle
- NET-216-21-18-0-1
- Abuse contact
- [email protected]
- Address
- Ft. McNair, Bldg. 62, Washington, DC, 20319-6000, United States