Reserved Ranges
Special-purpose IPv4 ranges (loopback, private, link-local, multicast, etc.).
127.0.0.0/8
Loopback addresses10.0.0.0/8
Private network (Class A)Private Network: Not routed on the public Internet
172.16.0.0/12
Private network (Class B)Private Network: Not routed on the public Internet
192.168.0.0/16
Private network (Class C)Private Network: Not routed on the public Internet