Category Archives: Education

IPv4 special ranges

Private IP 10.0.0.0/8 172.16.0.0./12 192.168.0.0./16 APIPA 169.254.0.0/16 Multicasting 224.0.0.0/4 Local Host 127.0.0.1

Posted in Education, Information Technology | Tagged | Comments Off on IPv4 special ranges

IPv6 Construct

Build from 8x four-digit HEX number 1111:2222:3333:4444:5555:6666:7777:8888 2^128 Numbers 54'525'952 Numbers / m2 earth surface. As they are split in ranges for different purpose the real number is much less.

Posted in Education, Information Technology | Tagged | Comments Off on IPv6 Construct

IPv6 Unicast Addresses

Global 001 T TTTTT TTTTT TTTTT : RRRR RRRR NNNN NNNN : NNNN -NNNN : SSSS – SSSS : IIII – : : : – IIII 001 = FP T = TLA ID R = Reserve N = NLA ID … Continue reading

Posted in Education, Information Technology | Tagged | Comments Off on IPv6 Unicast Addresses

IPv6 Multicast Addresses

Construct (FF…) xxxx xxxx FFFF SSSS : Group ID X = FP = 1111 1111 = FF F= Flag S = Scope Scope 0 = Reserve 1 = Node-local Scope 2 = Link-Local Scope 5 = Site-Local Scope 8 = … Continue reading

Posted in Education, Information Technology | Tagged | Comments Off on IPv6 Multicast Addresses

IPv6 Anycast

They are currently only assigned to routers

Posted in Education, Information Technology | Tagged | Comments Off on IPv6 Anycast

IPv4 Compatible Address

IPv4 Mapped Address (0:0:0:0..) The following address would be encapsulated in IPv4 and sent o the destination using IPv4 0:0:0:0:0:0:W:X:Y:Z W:X:Y:Z = IPv4 Teredo (2001:0:…) 2001:0:TTTT:TTTT:FFFF:UUUU:IIII:IIII 2001:0: = Teredo Prefix T = Teredo Server IP F = Flag U = … Continue reading

Posted in Education, Information Technology | Tagged , | Comments Off on IPv4 Compatible Address