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  • 保留ip: Reserved IP addresses

     

    Reserved IP addresses

    From Wikipedia, the free encyclopedia
     
     

    In the Internet addressing architecture, the Internet Engineering Task Force (IETF) and the Internet Assigned Numbers Authority (IANA) have reserved various Internet Protocol (IP) addresses for special purposes.

     

     

    Contents

    IPv4[edit]

    Address block (CIDR)RangeNumber of addressesScopePurpose
    0.0.0.0/8 0.0.0.0 –
    0.255.255.255
    16,777,216 Software Used for broadcast messages to the current ("this")[1]
    10.0.0.0/8 10.0.0.0 –
    10.255.255.255
    16,777,216 Private network Used for local communications within a private network[2]
    100.64.0.0/10 100.64.0.0 –
    100.127.255.255
    4,194,304 Private network Used for communications between a service provider and its subscribers when using a carrier-grade NAT[3]
    127.0.0.0/8 127.0.0.0 –
    127.255.255.255
    16,777,216 Host Used for loopback addresses to the local host[4]
    169.254.0.0/16 169.254.0.0 –
    169.254.255.255
    65,536 Subnet Used for link-local addresses between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server[5]
    172.16.0.0/12 172.16.0.0 –
    172.31.255.255
    1,048,576 Private network Used for local communications within a private network[2]
    192.0.0.0/24 192.0.0.0 –
    192.0.0.255
    256 Private network Used for the IANA IPv4 Special Purpose Address Registry[6]
    192.0.2.0/24 192.0.2.0 –
    192.0.2.255
    256 Documentation Assigned as "TEST-NET" for use in documentation and examples. It should not be used publicly.[7]
    192.88.99.0/24 192.88.99.0 –
    192.88.99.255
    256 Internet Used by 6to4 anycast relays[8]
    192.168.0.0/16 192.168.0.0 –
    192.168.255.255
    65,536 Private network Used for local communications within a private network[2]
    198.18.0.0/15 198.18.0.0 –
    198.19.255.255
    131,072 Private network Used for testing of inter-network communications between two separate subnets[9]
    198.51.100.0/24 198.51.100.0 –
    198.51.100.255
    256 Documentation Assigned as "TEST-NET-2" for use in documentation and examples. It should not be used publicly.[7]
    203.0.113.0/24 203.0.113.0 –
    203.0.113.255
    256 Documentation Assigned as "TEST-NET-3" for use in documentation and examples. It should not be used publicly.[7]
    224.0.0.0/4 224.0.0.0 –
    239.255.255.255
    268,435,455 Internet Reserved for muticast[10]
    240.0.0.0/4 240.0.0.0 –
    255.255.255.254
    268,435,455 Internet Reserved for future use[11]
    255.255.255.255/32 255.255.255.255 1 Subnet Reserved for the "limited broadcast" destination address[11]

    IPv6[edit]

    Address block (CIDR)RangeNumber of addressesScopePurpose
    ::/128 :: 1 Software Unspecified address
    ::1/128 ::1 1 Host Loopback address to the local host.
    ::ffff:0:0/96 ::ffff:0.0.0.0 –
    ::ffff:255.255.255.255
    232 Software IPv4 mapped addresses
    100::/64 100:: –
    100::ffff:ffff:ffff:ffff
    264   Discard prefix RFC 6666
    64:ff9b::/96 64:ff9b::0.0.0.0 –
    64:ff9b::255.255.255.255
    232 Global Internet[12] IPv4/IPv6 translation (RFC 6052)
    2001::/32 2001:: –
    2001::ffff:ffff:ffff:ffff:ffff:ffff
    296 Global Teredo tunneling
    2001:10::/28 2001:10:: –
    2001:1f:ffff:ffff:ffff:ffff:ffff:ffff
    2100 Software Deprecated (previously ORCHID)
    2001:20::/28 2001:20:: –
    2001:2f:ffff:ffff:ffff:ffff:ffff:ffff
    2100 Software ORCHIDv2
    2001:db8::/32 2001:db8:: –
    2001:db8:ffff:ffff:ffff:ffff:ffff:ffff
    296 Documentation Addresses used in documentation and example source code
    2002::/16 2002:: –
    2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
    2112 Global Internet 6to4
    fc00::/7 fc00:: –
    fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
    2121 Private network Unique local address
    fe80::/10 fe80:: –
    febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
    2118 Link Link-local address
    ff00::/8 ff00:: –
    ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
    2120 Global Internet Multicast address
         
             
             
             
             
             
             
             
             
             
             
             
             
             
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  • 原文地址:https://www.cnblogs.com/timssd/p/6184894.html
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