IPv4 prefix
64.143.0.0/16
- IP Prefix (CIDR)
- 64.143.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
Registration 1 of 3
- Owner
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Address
- 208 S. Akard St. Dallas TX 75202 United States
- Registry
- ARIN
- Registered Prefix
- 64.143.0.0/16 (64.143.0.0 - 64.143.255.255)
Registration 2 of 3
- Owner
- SBC E-Services Shared Web Hosting Pool
- Handle
- C00507434
- Address
- 11830 Webb Chapel Road Dallas TX 75234 United States
- Registry
- ARIN
- Registered Prefix
- 64.143.128.0/20 (64.143.128.0 - 64.143.143.255)
- Delegated Prefix
- 64.143.0.0/16 (64.143.0.0 - 64.143.255.255)
Registration 3 of 3
- Owner
- Dallas Enhanced/Managed Web Hosting Services
- Handle
- C01154495
- Address
- Private Address Dallas TX 75234 United States
- Registry
- ARIN
- Registered Prefix
- 64.143.192.0/21 (64.143.192.0 - 64.143.199.255)
- Delegated Prefix
- 64.143.0.0/16 (64.143.0.0 - 64.143.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 64.143.0.0/17 | More specific | AS7018 | AT&T Enterprises LLC |
United States of America (US)
|
64.143.0.0 | 64.143.127.255 |
| 64.143.128.0/18 | More specific | AS7018 | AT&T Enterprises LLC |
United States of America (US)
|
64.143.128.0 | 64.143.191.255 |
| 64.143.192.0/19 | More specific | AS7018 | AT&T Enterprises LLC |
United States of America (US)
|
64.143.192.0 | 64.143.223.255 |