Summary

Country
US United States
Domain att.net
Size 2,048
Registry ARIN
Network Name ATTSVC-12-72-0-0

Whois

American Registry for Internet Numbers NET12 (NET-12-0-0-0-0) 12.0.0.0 - 12.255.255.255
AT&T Enterprises, LLC ATT (NET-12-0-0-0-1) 12.0.0.0 - 12.255.255.255
AT&T Worldnet Services ATTSVC-12-72-0-0 (NET-12-72-0-0-1) 12.72.0.0 - 12.73.255.255

CIDR IP address subranges within 12.72.48.0/21 subnet

  • 12.72.48.0/24
  • 12.72.49.0/24
  • 12.72.50.0/24
  • 12.72.51.0/24
  • 12.72.52.0/24
  • 12.72.53.0/24
  • 12.72.54.0/24
  • 12.72.55.0/24

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