IP Address Allocation » ISPs » 21 st Century Technologies

We have found a total of 2 IP address ranges that are allocated for the 21 st Century Technologies Internet Service Provider. Learn more about the IP address allocation for IP addresses ranging between 41.222.145.0 and 80.248.15.255 here on IPAddress.com.

IP Address RangeNumber of IP AddressesCIDR SubnetsSample IP
41.222.145.0-41.222.147.255768
  • 41.222.145.0/24
  • 41.222.146.0/23
41.222.145.112
80.248.0.0-80.248.15.2554,096
  • 80.248.0.0/20
80.248.0.70