Summary

Country
US United States
Domain att.com
Size 524,288
Registry ARIN
Network Name SBCIS-SBIS

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 (NET-99-0-0-0-1) 99.0.0.0 - 99.9.255.255




CIDR IP address subranges within 99.0.0.0/13 subnet

  • 99.0.0.0/21
  • 99.0.8.0/21
  • 99.0.16.0/21
  • 99.0.24.0/21
  • 99.0.32.0/21
  • 99.0.40.0/21
  • 99.0.48.0/21
  • 99.0.56.0/21
  • 99.0.64.0/21
  • 99.0.72.0/21
  • 99.0.80.0/21
  • 99.0.88.0/21
  • 99.0.96.0/21
  • 99.0.104.0/21
  • 99.0.112.0/21
  • 99.0.120.0/21
  • 99.0.128.0/21
  • 99.0.136.0/21
  • 99.0.144.0/21
  • 99.0.152.0/21
  • 99.0.160.0/21
  • 99.0.168.0/21
  • 99.0.176.0/21
  • 99.0.184.0/21
  • 99.0.192.0/21
  • 99.0.200.0/21
  • 99.0.208.0/21
  • 99.0.216.0/21
  • 99.0.224.0/21
  • 99.0.232.0/21
  • 99.0.240.0/21
  • 99.0.248.0/21
  • 99.1.0.0/21
  • 99.1.8.0/21
  • 99.1.16.0/21
  • 99.1.24.0/21
  • 99.1.32.0/21
  • 99.1.40.0/21
  • 99.1.48.0/21
  • 99.1.56.0/21
  • 99.1.64.0/21
  • 99.1.72.0/21
  • 99.1.80.0/21
  • 99.1.88.0/21
  • 99.1.96.0/21
  • 99.1.104.0/21
  • 99.1.112.0/21
  • 99.1.120.0/21
  • 99.1.128.0/21
  • 99.1.136.0/21
  • 99.1.144.0/21
  • 99.1.152.0/21
  • 99.1.160.0/21
  • 99.1.168.0/21
  • 99.1.176.0/21
  • 99.1.184.0/21
  • 99.1.192.0/21
  • 99.1.200.0/21
  • 99.1.208.0/21
  • 99.1.216.0/21
  • 99.1.224.0/21
  • 99.1.232.0/21
  • 99.1.240.0/21
  • 99.1.248.0/21
  • 99.2.0.0/21
  • 99.2.8.0/21
  • 99.2.16.0/21
  • 99.2.24.0/21
  • 99.2.32.0/21
  • 99.2.40.0/21
  • 99.2.48.0/21
  • 99.2.56.0/21
  • 99.2.64.0/21
  • 99.2.72.0/21
  • 99.2.80.0/21
  • 99.2.88.0/21
  • 99.2.96.0/21
  • 99.2.104.0/21
  • 99.2.112.0/21
  • 99.2.120.0/21
  • 99.2.128.0/21
  • 99.2.136.0/21
  • 99.2.144.0/21
  • 99.2.152.0/21
  • 99.2.160.0/21
  • 99.2.168.0/21
  • 99.2.176.0/21
  • 99.2.184.0/21
  • 99.2.192.0/21
  • 99.2.200.0/21
  • 99.2.208.0/21
  • 99.2.216.0/21
  • 99.2.224.0/21
  • 99.2.232.0/21
  • 99.2.240.0/21
  • 99.2.248.0/21
  • 99.3.0.0/21
  • 99.3.8.0/21
  • 99.3.16.0/21
  • 99.3.24.0/21
  • 99.3.32.0/21
  • 99.3.40.0/21
  • 99.3.48.0/21
  • 99.3.56.0/21
  • 99.3.64.0/21
  • 99.3.72.0/21
  • 99.3.80.0/21
  • 99.3.88.0/21
  • 99.3.96.0/21
  • 99.3.104.0/21
  • 99.3.112.0/21
  • 99.3.120.0/21
  • 99.3.128.0/21
  • 99.3.136.0/21
  • 99.3.144.0/21
  • 99.3.152.0/21
  • 99.3.160.0/21
  • 99.3.168.0/21
  • 99.3.176.0/21
  • 99.3.184.0/21
  • 99.3.192.0/21
  • 99.3.200.0/21
  • 99.3.208.0/21
  • 99.3.216.0/21
  • 99.3.224.0/21
  • 99.3.232.0/21
  • 99.3.240.0/21
  • 99.3.248.0/21
  • 99.4.0.0/21
  • 99.4.8.0/21
  • 99.4.16.0/21
  • 99.4.24.0/21
  • 99.4.32.0/21
  • 99.4.40.0/21
  • 99.4.48.0/21
  • 99.4.56.0/21
  • 99.4.64.0/21
  • 99.4.72.0/21
  • 99.4.80.0/21
  • 99.4.88.0/21
  • 99.4.96.0/21
  • 99.4.104.0/21
  • 99.4.112.0/21
  • 99.4.120.0/21
  • 99.4.128.0/21
  • 99.4.136.0/21
  • 99.4.144.0/21
  • 99.4.152.0/21
  • 99.4.160.0/21
  • 99.4.168.0/21
  • 99.4.176.0/21
  • 99.4.184.0/21
  • 99.4.192.0/21
  • 99.4.200.0/21
  • 99.4.208.0/21
  • 99.4.216.0/21
  • 99.4.224.0/21
  • 99.4.232.0/21
  • 99.4.240.0/21
  • 99.4.248.0/21
  • 99.5.0.0/21
  • 99.5.8.0/21
  • 99.5.16.0/21
  • 99.5.24.0/21
  • 99.5.32.0/21
  • 99.5.40.0/21
  • 99.5.48.0/21
  • 99.5.56.0/21
  • 99.5.64.0/21
  • 99.5.72.0/21
  • 99.5.80.0/21
  • 99.5.88.0/21
  • 99.5.96.0/21
  • 99.5.104.0/21
  • 99.5.112.0/21
  • 99.5.120.0/21
  • 99.5.128.0/21
  • 99.5.136.0/21
  • 99.5.144.0/21
  • 99.5.152.0/21
  • 99.5.160.0/21
  • 99.5.168.0/21
  • 99.5.176.0/21
  • 99.5.184.0/21
  • 99.5.192.0/21
  • 99.5.200.0/21
  • 99.5.208.0/21
  • 99.5.216.0/21
  • 99.5.224.0/21
  • 99.5.232.0/21
  • 99.5.240.0/21
  • 99.5.248.0/21
  • 99.6.0.0/21
  • 99.6.8.0/21
  • 99.6.16.0/21
  • 99.6.24.0/21
  • 99.6.32.0/21
  • 99.6.40.0/21
  • 99.6.48.0/21
  • 99.6.56.0/21
  • 99.6.64.0/21
  • 99.6.72.0/21
  • 99.6.80.0/21
  • 99.6.88.0/21
  • 99.6.96.0/21
  • 99.6.104.0/21
  • 99.6.112.0/21
  • 99.6.120.0/21
  • 99.6.128.0/21
  • 99.6.136.0/21
  • 99.6.144.0/21
  • 99.6.152.0/21
  • 99.6.160.0/21
  • 99.6.168.0/21
  • 99.6.176.0/21
  • 99.6.184.0/21
  • 99.6.192.0/21
  • 99.6.200.0/21
  • 99.6.208.0/21
  • 99.6.216.0/21
  • 99.6.224.0/21
  • 99.6.232.0/21
  • 99.6.240.0/21
  • 99.6.248.0/21
  • 99.7.0.0/21
  • 99.7.8.0/21
  • 99.7.16.0/21
  • 99.7.24.0/21
  • 99.7.32.0/21
  • 99.7.40.0/21
  • 99.7.48.0/21
  • 99.7.56.0/21
  • 99.7.64.0/21
  • 99.7.72.0/21
  • 99.7.80.0/21
  • 99.7.88.0/21
  • 99.7.96.0/21
  • 99.7.104.0/21
  • 99.7.112.0/21
  • 99.7.120.0/21
  • 99.7.128.0/21
  • 99.7.136.0/21
  • 99.7.144.0/21
  • 99.7.152.0/21
  • 99.7.160.0/21
  • 99.7.168.0/21
  • 99.7.176.0/21
  • 99.7.184.0/21
  • 99.7.192.0/21
  • 99.7.200.0/21
  • 99.7.208.0/21
  • 99.7.216.0/21
  • 99.7.224.0/21
  • 99.7.232.0/21
  • 99.7.240.0/21
  • 99.7.248.0/21

Get started with 100,000 free lookups: sign up