Whois
Various Registries (Maintained by ARIN) NET166 (NET-166-0-0-0-0) 166.0.0.0 - 166.255.255.255
Verizon Business MCICS (NET-166-239-0-0-1) 166.239.0.0 - 166.255.255.255
CIDR IP address subranges within 166.239.0.0/18 subnet
- 166.239.0.0/24
- 166.239.1.0/24
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United States