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JMARyA 2024-08-27 09:25:41 +02:00
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technology/internet/Internet Protocol.md
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@ -32,7 +32,7 @@ IPv4 reserves special address blocks for private networks (224 + 220 + 2
IPv4 addresses may be represented in any notation expressing a 32-bit integer value. They are most often written in dot-decimal notation, which consists of four octets of the address expressed individually in decimal numbers and separated by periods.
For example, the quad-dotted IP address in the illustration (`172.16.254.1`) represents the 32-bit decimal number 2886794753, which in hexadecimal format is 0xAC10FE01.
For example, the quad-dotted IP address in the illustration (`172.16.254.1`) represents the 32-bit decimal number `2886794753`, which in hexadecimal format is ` 0xAC10FE01`.
CIDR notation combines the address with its routing prefix in a compact format, in which the address is followed by a slash character (/) and the count of leading consecutive 1 bits in the routing prefix (subnet mask).
@ -41,7 +41,7 @@ The Internet Engineering Task Force (IETF) and IANA have restricted from general
**Special address blocks**:
| Address block | Address range | Number of <br>addresses | Scope | Description |
| ------------------ | --------------------------- | ------------------------ | --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| ------------------ | --------------------------- | ------------------------ | --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| 0.0.0.0/8 | 0.0.0.0–0.255.255.255 | 16777216 | Software | Current (local, "this") network |
| 10.0.0.0/8 | 10.0.0.0–10.255.255.255 | 16777216 | Private network | Used for local communications within a private network |
| 100.64.0.0/10 | 100.64.0.0–100.127.255.255 | 4194304 | Private network | Shared address space for communications between a service provider and its subscribers when using a carrier-grade NAT |