Summary
| Country |
 United States
|
| Domain | att.com |
| Size | 524,288 |
| Registry | ARIN |
| Network Name | SBCIS-10166-92052 |
Whois
American Registry for Internet Numbers NET66 (NET-66-0-0-0-0) 66.0.0.0 - 66.255.255.255
AT&T Corp. SBCIS-SIS80 (NET-66-136-0-0-1) 66.136.0.0 - 66.143.255.255
CIDR IP address subranges within 66.136.0.0/13 subnet
- 66.136.0.0/21
- 66.136.8.0/21
- 66.136.16.0/21
- 66.136.24.0/21
- 66.136.32.0/21
- 66.136.40.0/21
- 66.136.48.0/21
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- 66.136.96.0/21
- 66.136.104.0/21
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- 66.136.128.0/21
- 66.136.136.0/21
- 66.136.144.0/21
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- 66.136.160.0/21
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- 66.136.176.0/21
- 66.136.184.0/21
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- 66.136.200.0/21
- 66.136.208.0/21
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- 66.137.168.0/21
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- 66.139.112.0/21
- 66.139.120.0/21
- 66.139.128.0/21
- 66.139.136.0/21
- 66.139.144.0/21
- 66.139.152.0/21
- 66.139.160.0/21
- 66.139.168.0/21
- 66.139.176.0/21
- 66.139.184.0/21
- 66.139.192.0/21
- 66.139.200.0/21
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- 66.140.112.0/21
- 66.140.120.0/21
- 66.140.128.0/21
- 66.140.136.0/21
- 66.140.144.0/21
- 66.140.152.0/21
- 66.140.160.0/21
- 66.140.168.0/21
- 66.140.176.0/21
- 66.140.184.0/21
- 66.140.192.0/21
- 66.140.200.0/21
- 66.140.208.0/21
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- 66.140.248.0/21
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- 66.141.120.0/21
- 66.141.128.0/21
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- 66.141.184.0/21
- 66.141.192.0/21
- 66.141.200.0/21
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- 66.141.240.0/21
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- 66.142.104.0/21
- 66.142.112.0/21
- 66.142.120.0/21
- 66.142.128.0/21
- 66.142.136.0/21
- 66.142.144.0/21
- 66.142.152.0/21
- 66.142.160.0/21
- 66.142.168.0/21
- 66.142.176.0/21
- 66.142.184.0/21
- 66.142.192.0/21
- 66.142.200.0/21
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- 66.143.0.0/21
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- 66.143.96.0/21
- 66.143.104.0/21
- 66.143.112.0/21
- 66.143.120.0/21
- 66.143.128.0/21
- 66.143.136.0/21
- 66.143.144.0/21
- 66.143.152.0/21
- 66.143.160.0/21
- 66.143.168.0/21
- 66.143.176.0/21
- 66.143.184.0/21
- 66.143.192.0/21
- 66.143.200.0/21
- 66.143.208.0/21
- 66.143.216.0/21
- 66.143.224.0/21
- 66.143.232.0/21
- 66.143.240.0/21
- 66.143.248.0/21