특수 IP 주소 목록

1)

0.0.0.0 all adress

routing table : default route 0.0.0.0/0

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2)

127.0.0.0 loopback

self test ping 127.0.0.1 ipv6::1

server web service ->local host

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ping localhost

PING localhost (127.0.0.1) 56(84) bytes of data.

64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.029 ms

64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.045 ms

64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.045 ms

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3)

169.254.0.0 link local address

DHCP 한테 IP를 못받았을때 OS(운영체제)가 임의로 IP할당

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4)

224~239.0.00 D class 멀티캐스트용 address

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5)

240~254.0.0.0 E class

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6)

255.255.255.255 (all address-broascast)

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Host ID=0 Network address ex)192.168.0.0

Host ID=1 Broadcast address ex)192.168.0.255

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7)

Private Network Address(사설 IP)

A 10.0.0.0/8 10.0.0.0~10.255.255.255 ,10.X.X.X (N 1개)

B 172.16.0.0/12 172.16.0.0~172.31.255.255 172.16-31.X.X (네트워크 16개)

C 192.168.0.0/16 192.168.0.0~192.168.255.255 (네트워크 256개)

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1-32:32개

0-31:32개

0-15(16) 16-31(16)

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