Summary
| Country |
 United States
|
| Domain | att.com |
| Size | 524,288 |
| Registry | ARIN |
| Network Name | SBCIS-SBIS-6BLK |
Whois
American Registry for Internet Numbers NET99 (NET-99-0-0-0-0) 99.0.0.0 - 99.255.255.255
AT&T Corp. SBCIS-SBIS-6BLK (NET-99-128-0-0-1) 99.128.0.0 - 99.140.255.255
CIDR IP address subranges within 99.128.0.0/13 subnet
- 99.128.0.0/21
- 99.128.8.0/21
- 99.128.16.0/21
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- 99.135.136.0/21
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- 99.135.160.0/21
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- 99.135.184.0/21
- 99.135.192.0/21
- 99.135.200.0/21
- 99.135.208.0/21
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