Privátní rozsahy určené pro použití v budování privátní sítí
192.168.0.0 až 192.168.255.255 <===> (16 bitový blok, 65 536 IP adres)
172.16.0.0 až 172.31.255.255 <===> (20 bitový blok, 1 048 576 adres)
10.0.0.0 až 10.255.255.255 <===> (24 bitový blok, 16 777 216 adres)
fd00::/8 <===> (IPv6 privátní)
Mimo to ještě existují privátní rozsahy pro specifické použití
aneb localhost (::1: v IPv6 podobě)
fe80::/10
(IPv4) addresses for special purposes [LONG VERSION]
0.0.0.0/8 0.0.0.0–0.255.255.255 16777216 Software Current network[1]
10.0.0.0/8 10.0.0.0–10.255.255.255 16777216 Private network Used for local communications within a private network.[3]
100.64.0.0/10 100.64.0.0–100.127.255.255 4194304 Private network Shared address space[4] 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.[1]
169.254.0.0/16 169.254.0.0–169.254.255.255 65536 Subnet Used for link-local addresses[5] 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.[3]
192.0.0.0/24 192.0.0.0–192.0.0.255 256 Private network IETF Protocol Assignments.[1]
192.0.2.0/24 192.0.2.0–192.0.2.255 256 Documentation Assigned as TEST-NET-1, documentation and examples.[6]
192.88.99.0/24 192.88.99.0–192.88.99.255 256 Internet Reserved.[7] Formerly used for IPv6 to IPv4 relay[8] (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.[3]
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.[9]
198.51.100.0/24 198.51.100.0–198.51.100.255 256 Documentation Assigned as TEST-NET-2, documentation and examples.[6]
203.0.113.0/24 203.0.113.0–203.0.113.255 256 Documentation Assigned as TEST-NET-3, documentation and examples.[6]
224.0.0.0/4 224.0.0.0–239.255.255.255 268435456 Internet In use for IP multicast.[10] (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.[10][11]
240.0.0.0/4 240.0.0.0–255.255.255.254 268435455 Internet Reserved for future use.[12] (Former Class E network.)
255.255.255.255/32 255.255.255.255 1 Subnet Reserved for the "limited broadcast" destination address.[1]
(IPv4) addresses for special purposes [SHORT VERSION]
0.0.0.0/8 <===> Current network [this network]
10.0.0.0/8 <===> Used for local communications within a private network.[3]
100.64.0.0/10 <===> Shared address space[4] for communications between a service provider and its subscribers when using a carrier-grade NAT.
127.0.0.0/8 <===> Used for loopback addresses to the local host.[1]
169.254.0.0/16 <===> Used for link-local addresses[5] 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 <===> Used for local communications within a private network.[3]
192.0.0.0/24 <===> IETF Protocol Assignments.[1]
192.0.2.0/24 <===> Assigned as TEST-NET-1, documentation and examples.[6]
192.88.99.0/24 <===> Reserved.[7] Formerly used for IPv6 to IPv4 relay[8] (included IPv6 address block 2002::/16).
192.168.0.0/16 <===> Used for local communications within a private network.[3]
198.18.0.0/15 <===> Used for benchmark testing of inter-network communications between two separate subnets.[9]
198.51.100.0/24 <===> Assigned as TEST-NET-2, documentation and examples.[6]
203.0.113.0/24 <===> Assigned as TEST-NET-3, documentation and examples.[6]
224.0.0.0/4 <===> In use for IP multicast.[10] (Former Class D network.)
233.252.0.0/24 <===> Assigned as MCAST-TEST-NET, documentation and examples.[10][11]
240.0.0.0/4 <===> Reserved for future use.[12] (Former Class E network.)
255.255.255.255/32 <===> Reserved for the "limited broadcast" destination address.[1]
## first, second and last IP addresses in any given subnet are always “reserved” for network routing purposes (as outlined above), and are not able to be used on the server itself.
## příklad: rozsah adres 192.168.0.0/29
A single /29 of IP addresses is a total of 8 IPv4 addresses which provides 5 usable IPv4 addresses.
Netmask: 255.255.255.248
Network ID: 192.168.0.0
Gateway IP: 192.168.0.1
Usable IP Range: 192.168.0.2 – 192.168.0.6
Broadcast Address: 192.168.0.7
Total Usable IP Addresses: 5
192.168.0.0/24
Netmask: 255.255.255.0
Network ID: 192.168.0.0
Gateway: 192.168.0.1
Usable IP Range: 192.168.0.2 – 192.168.0.254
Broadcast Address: 192.168.0.255
Total Usable IP Addresses: 253
