IPv4 prefix
205.173.0.0/21
- IP Prefix (CIDR)
- 205.173.0.0/21
- Subnet Mask
- 255.255.248.0
- Address Count
- 2,048
- Owner
- U.S. Department of the Interior
- Handle
- UDI-1-Z
- Address
- 1849 C St., N.W. Washington DC 20240 United States
- Registry
- ARIN
- Registered Prefix
- 205.173.0.0/21 (205.173.0.0 - 205.173.7.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 205.173.0.0/21 | Exact | AS22284 | U.S. Department of the Interior |
United States of America (US)
|
205.173.0.0 | 205.173.7.255 |
| 205.173.0.0/24 | More specific | AS21633 | U.S. Department of the Interior |
United States of America (US)
|
205.173.0.0 | 205.173.0.255 |
| 205.173.4.0/24 | More specific | AS21633 | U.S. Department of the Interior |
United States of America (US)
|
205.173.4.0 | 205.173.4.255 |