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  2. Wildcard mask - Wikipedia

    en.wikipedia.org/wiki/Wildcard_mask

    127.255.255.255 /0: 0.0.0.0: 255.255.255.255 References This page was last edited on 22 May 2023, at 19:38 (UTC). Text is available under the Creative Commons ...

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

    en.wikipedia.org/wiki/List_of_assigned_/8_IPv4...

    Reserved for future use (formerly "Class E" [5]). 255.255.255.255 is reserved for "limited broadcast" destination address. [ 6 ] [ 7 ] List of assigned /8 blocks to commercial organisations

  4. Subnet - Wikipedia

    en.wikipedia.org/wiki/Subnet

    For example, the prefix 198.51.100.0 / 24 would have the subnet mask 255.255.255.0. Traffic is exchanged between subnets through routers when the routing prefixes of the source address and the destination address differ. A router serves as a logical or physical boundary between the subnets.

  5. Broadcast address - Wikipedia

    en.wikipedia.org/wiki/Broadcast_address

    A special definition exists for the IP address 255.255.255.255. It is the broadcast address of the zero network or 0.0.0.0, which in Internet Protocol standards stands for this network, i.e. the local network. Transmission to this address is limited by definition, in that it is never forwarded by the routers connecting the local network to ...

  6. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    The 232.0.0.0 / 8 (IPv4) and ff3x:: / 32 (IPv6) blocks are reserved for use by source-specific multicast. GLOP [ 13 ] The 233.0.0.0 / 8 range was originally assigned as an experimental, public statically-assigned multicast address space for publishers and Internet service providers that wished to source content on the Internet. [ 14 ]

  7. Mask (computing) - Wikipedia

    en.wikipedia.org/wiki/Mask_(computing)

    Subtract the normal mask from 255.255.255.255 in order to determine the ACL inverse mask. In this example, the inverse mask is determined for network address 198.51.100.0 with a normal mask of 255.255.255.0. 255.255.255.255 - 255.255.255.0 (normal mask) = 0.0.0.255 (inverse mask) ACL equivalents

  8. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    A subnet mask is a bitmask that encodes the prefix length associated with an IPv4 address or network in quad-dotted notation: 32 bits, starting with a number of 1-bits equal to the prefix length, ending with 0-bits, and encoded in four-part dotted-decimal format: 255.255.255.0. A subnet mask encodes the same information as a prefix length but ...

  9. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    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