IPv4 prefix
128.57.92.0/23
- IP Prefix (CIDR)
- 128.57.92.0/23
- Subnet Mask
- 255.255.254.0
- Address Count
- 512
- Owner
- SRI International
- Handle
- SRIINT-Z
- Address
- 333 Ravenswood Avenue Menlo Park CA 94025 United States
- Registry
- ARIN
- Registered Prefix
- 128.57.0.0/16 (128.57.0.0 - 128.57.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 128.57.92.0/23 | Exact | AS264 | SRI International |
United States of America (US)
|
128.57.92.0 | 128.57.93.255 |