IPv4 prefix
167.21.0.0/16
- IP Prefix (CIDR)
- 167.21.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
- Owner
- STATE OF DELAWARE
- Handle
- STATEO-19-Z
- Address
- Department of Technology and Information 801 Silver Lake Blvd Dover DE 19904 United States
- Registry
- ARIN
- Registered Prefix
- 167.21.0.0/16 (167.21.0.0 - 167.21.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 167.21.0.0/16 | Exact | AS30641 | STATE OF DELAWARE |
United States of America (US)
|
167.21.0.0 | 167.21.255.255 |
| 167.21.0.0/24 | More specific | AS46887 | Zayo Bandwidth |
United States of America (US)
|
167.21.0.0 | 167.21.0.255 |
| 167.21.32.0/21 | More specific | AS8075 | Microsoft Corporation |
United States of America (US)
|
167.21.32.0 | 167.21.39.255 |
| 167.21.152.0/21 | More specific | AS8075 | Microsoft Corporation |
United States of America (US)
|
167.21.152.0 | 167.21.159.255 |