Usage of 192.168.xxx, 172.xxx and 10.xxx in private networks
https://networkengineering.stackexchange.com/questions/64679/usage-of-192-168-xxx-172-xxx-and-10-xxx-in-private-networks
WebJan 20, 2020 · A private network can use both IPv4 and IPv6 addresses. Private IP ranges are NOT allocated to any particular organization. Private IP Ranges specified by RFC 1918 Class A: 10.x.x.x - 10.255.255.255 (CIDR - 10.0.0.0/8),255.0.0.0, 24 bit block ; Class B: 172.16.x.x - 172.31.255.255 (CIDR - 172.16.0.0/12), 255.240.0.0, 20 bit block
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