IP subnet details

173.218.240.0/21

AS19108  — Optimum

Summary

Country
US United States
Domain optimum.com
Size 2,048
Registry ARIN
Network Name SUDDE

Whois

American Registry for Internet Numbers NET173 (NET-173-0-0-0-0) 173.0.0.0 - 173.255.255.255
Optimum SUDDE (NET-173-216-0-0-1) 173.216.0.0 - 173.219.255.255

CIDR IP address subranges within 173.218.240.0/21 subnet

  • 173.218.240.0/24
  • 173.218.241.0/24
  • 173.218.242.0/24
  • 173.218.243.0/24
  • 173.218.244.0/24
  • 173.218.245.0/24
  • 173.218.246.0/24
  • 173.218.247.0/24

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