general:private_ip

Private IP ranges

RFC1918 name IP address range number of addresses classful description largest CIDR block (subnet mask) host id size mask bits
24-bit block 10.0.0.0-10.255.255.255 16777216 single class A network 10.0.0.0/8 (255.0.0.0) 24 bits 8 bits
20-bit block 172.16.0.0-172.31.255.255 1048576 16 contigous class B networks 172.16.0.0/12 (255.240.0.0) 20 bits 12 bits
16-bit block 192.168.0.0-192.168.255.255 65536 256 contigous class C networks 192.168.0.0/16 (255.255.0.0) 16 bits 16 bits
APIPA 169.254.0.0-169.254.255.255 Automatic Private IP Addressing is a feature on Microsoft operating systems to automatically assign itself an IP address within this range if a Dynamic Host Configuration Protocol server is not available.
Localhost 127.0.0.1-127.255.255.255 Network testing addresses (also referred to as loop-back addresses)
, 2021-02-02 16:58
Very nice! Some thing cannot be found anywhere else.. ! Thanks!
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  • general/private_ip.txt
  • Last modified: 2021-04-12 14:52
  • by tplecko