IPv4
This section is transcluded from IPv4#Special-use addresses. (edit | history)
IPv4 designates special usage or applications for various addresses or address blocks:[1][2]
Special address blocks Address block Address range Number of addresses Scope Description
0.0.0.0/8 0.0.0.0–0.255.255.255 16777216 Software Current network[3]
10.0.0.0/8 10.0.0.0–10.255.255.255 16777216 Private network Used for local communications within a private network.[4]
100.64.0.0/10 100.64.0.0–100.127.255.255 4194304 Private network Shared address space[5] for communications between a service provider and its subscribers when using a carrier-grade NAT.
127.0.0.0/8 127.0.0.0–127.255.255.255 16777216 Host Used for loopback addresses to the local host.[3]
169.254.0.0/16 169.254.0.0–169.254.255.255 65536 Subnet Used for link-local addresses[6] 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.
172.16.0.0/12 172.16.0.0–172.31.255.255 1048576 Private network Used for local communications within a private network.[4]
192.0.0.0/24 192.0.0.0–192.0.0.255 256 Private network IETF Protocol Assignments.[3]
192.0.2.0/24 192.0.2.0–192.0.2.255 256 Documentation Assigned as TEST-NET-1, documentation and examples.[7]
192.88.99.0/24 192.88.99.0–192.88.99.255 256 Internet Reserved.[8] Formerly used for IPv6 to IPv4 relay[9] (included IPv6 address block 2002::/16).
192.168.0.0/16 192.168.0.0–192.168.255.255 65536 Private network Used for local communications within a private network.[4]
198.18.0.0/15 198.18.0.0–198.19.255.255 131072 Private network Used for benchmark testing of inter-network communications between two separate subnets.[10]
198.51.100.0/24 198.51.100.0–198.51.100.255 256 Documentation Assigned as TEST-NET-2, documentation and examples.[7]
203.0.113.0/24 203.0.113.0–203.0.113.255 256 Documentation Assigned as TEST-NET-3, documentation and examples.[7]
224.0.0.0/4 224.0.0.0–239.255.255.255 268435456 Internet In use for IP multicast.[11] (Former Class D network.)
233.252.0.0/24 233.252.0.0-233.252.0.255 256 Documentation Assigned as MCAST-TEST-NET, documentation and examples.[11][12]
240.0.0.0/4 240.0.0.0–255.255.255.254 268435455 Internet Reserved for future use.[13] (Former Class E network.)
255.255.255.255/32 255.255.255.255 1 Subnet Reserved for the "limited broadcast" destination address.[3][14]Single-file PHP app that can be dropped into any folder, instantly creating a gallery of files and folders.
Confessions d’un voleur Laurent Chemla
JE SUIS UN VOLEUR. Comment nommer autrement celui qui, du fait de ses connaissances techniques, de son pouvoir ou de ses relations, crée ou utilise une pénurie fabriquée de toutes pièces pour vendre un objet devenu rare à des clients qui ne savent même pas à quoi sert cet objet ?
Oh, bien sûr la société ne va pas me condamner pour ça. Non. Elle va au contraire admirer la performance de la « jeune pousse », me considérer comme un entrepreneur courageux de la Net-Economie, me tresser quelque laurier, voire me remercier de mon action en faveur des plus démunis.
Je vends des noms de domaines sur Internet.