: INTERNET .

IP (32-dit)4 0-255 .. 130.201.56.9 A, B, C IP

A : 0.0.0.0 127.255.255.255B : 128.0.0.0 191.255.255.255C : 192.0.0.0 223.255.255.255D : 224.0.0.0 239.255.255.255E : 240.0.0.0 247.255.255.255

Class B10 Netid 14 bits Hostid 16 bits

Class C110 Netid 21 bits Hostid 8 bits

Class D1110 Multicast Group IP 28 bits

Class E11110 27 bits

:

Netid 16 bits Sudnetid 8 bits Hostid 8 bits

Subnet Mask 32-bits1: Network ID, Subnet ID0: Host ID

Subnet Mask: 1111111111111111 11111111 00000000 = 0xffffff = 255.255.255.0

Subnet Mask Class B :

16 bits8 bits8 bitsnetidsubnetidhostid

IP address Sudnet Mask :

, IP address network ID subnet ID subnet mask subnet ID host ID

: IP addresses : 130.234.3.2 : 130.234.1.5 : 130.234.3.56 : 120.24.56.7 : network ID subnet ID, network subnet ID host ID O network ID

Domain Name Service (DNS) IP (.. 150.140.141.181=diogenis.ceid.upatras.gr)

IP InternetUnicast: Broadcast: Multicast: multicast

Multicast (Class D) (multicast group) 28-bit 224.0.0.0 239.255.255.255multicast group: multicast (.. 224.0.0.1= )

Multicast

Uniform Resourse Locators (URLs) (.. FTP )

IP version 4 32-bits IP

Internet Protocol version 6 (IPv6) 128-bits (296 ) interfaces ( IPv4)

IP Unicast : interfaceAnycast : interfaces, Multicast : interfaces. interfaces

IPv6 x : x : x : x : x : x : x : x x = 16 bit.. : 1080:0:0:0:8:800:200C:417A

, :: .. : 1080::8:200C:417A IPv4 IPv6 x:x:x:x:x:x:d.d.d.d x = , d = .. 0:0:0:0:0:0:13.2.56.7 ::13.2.56.7

Ipv6 IPv4 IPv6. IPv6 IPv4.

..