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  2. MAC address - Wikipedia

    en.wikipedia.org/wiki/MAC_address

    A locally administered address is assigned to a device by software or a network administrator, overriding the burned-in address of a physical device. Locally administered addresses are distinguished from universally administered addresses by setting (assigning the value of 1 to) the second- least-significant bit of the first octet of the address.

  3. List of assigned /8 IPv4 address blocks - Wikipedia

    en.wikipedia.org/.../8_IPv4_address_blocks

    Some large / 8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a regional Internet registry.

  4. Network address - Wikipedia

    en.wikipedia.org/wiki/Network_address

    Network diagram with IP network addresses indicated e.g. 192.168.100.3.. A network address is an identifier for a node or host on a telecommunications network.Network addresses are designed to be unique identifiers across the network, although some networks allow for local, private addresses, or locally administered addresses that may not be unique. [1]

  5. Organizationally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Organizationally_unique...

    An Individual Address Block (IAB) is an inactive registry activity which has been replaced by the MA-S registry product as of 1 January 2014. The IAB uses a MA-L (and OUI) belonging to the IEEE Registration Authority, concatenated with 12 additional IEEE-provided bits (for a total of 36 bits), leaving only 12 bits for the IAB owner to assign to ...

  6. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    Interface-local Packets with this destination address may not be sent over any network link, but must remain within the current node; this is the multicast equivalent of the unicast loopback address. ffx2::/16: 224.0.0.0/24: Link-local Packets with this destination address may not be routed anywhere. ffx3::/16: 239.255.0.0/16: Realm-Local scope ...

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  8. Unique local address - Wikipedia

    en.wikipedia.org/wiki/Unique_local_address

    A unique local address (ULA) is an Internet Protocol version 6 (IPv6) address in the address range fc00:: / 7. [1] These addresses are non-globally reachable [ 2 ] (routable only within the scope of private networks, but not the global IPv6 Internet).

  9. IPv6 address - Wikipedia

    en.wikipedia.org/wiki/IPv6_address

    IPv6 addresses are assigned to organizations in much larger blocks as compared to IPv4 address assignments—the recommended allocation is a / 48 block which contains 2 80 addresses, being 2 48 or about 2.8 × 10 14 times larger than the entire IPv4 address space of 2 32 addresses and about 7.2 × 10 16 times larger than the / 8 blocks of IPv4 ...