IPv4 prefix
166.123.0.0/16
- IP Prefix (CIDR)
- 166.123.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
- Owner
- United States Department of the Treasury
- Handle
- UDT-6-Z
- Address
- OCIO 1750 Pennsylvania Ave., NW Washington DC 20006 United States
- Registry
- ARIN
- Registered Prefix
- 166.123.0.0/16 (166.123.0.0 - 166.123.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 166.123.0.0/16 | Exact | AS13506 | United States Department of the Treasury |
United States of America (US)
|
166.123.0.0 | 166.123.255.255 |