IPv4 prefix
128.138.0.0/16
- IP Prefix (CIDR)
- 128.138.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
- Owner
- University of Colorado
- Handle
- UNIVER-24
- Address
- Office of Information Technology 3645 Marine Street Boulder CO 80309-0455 United States
- Registry
- ARIN
- Registered Prefix
- 128.138.0.0/16 (128.138.0.0 - 128.138.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 128.138.0.0/16 | Exact | AS104 | University of Colorado at Boulder |
United States of America (US)
|
128.138.0.0 | 128.138.255.255 |