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  2. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  3. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    127.0.0.0/8 127.0.0.0–127.255.255.255 16 777 216: Host Used for loopback addresses to the local host [1] 169.254.0.0/16 169.254.0.0–169.254.255.255 65 536: Subnet 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 ...

  4. IP address - Wikipedia

    en.wikipedia.org/wiki/IP_address

    An Internet Protocol address (IP address) is a numerical label such as 192.0.2.1 that is assigned to a device connected to a computer network that uses the Internet Protocol for communication. [ 1 ] [ 2 ] IP addresses serve two main functions: network interface identification , and location addressing .

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

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

    Block Organization IANA date RIR date Notes 12.0.0.0/8: AT&T Services: 1995-06: 1983-08-23: Originally AT&T Bell Laboratories, but retained by AT&T when Bell Labs was spun off to Lucent Technologies in 1996.

  6. IPv4 shared address space - Wikipedia

    en.wikipedia.org/wiki/IPv4_shared_address_space

    If an ISP deploys a CGN and uses private Internet address space [2] (networks 10.0.0.0 / 8, 172.16.0.0 / 12, 192.168.0.0 / 16) to connect their customers, there is a risk that customer equipment using an internal network in the same range will stop working.

  7. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    224.0.0.0 Base address (reserved) No 224.0.0.1 The All Hosts multicast group addresses all hosts on the same network segment. No 224.0.0.2 The All Routers multicast group addresses all routers on the same network segment. No 224.0.0.4 This address is used in the Distance Vector Multicast Routing Protocol (DVMRP) to address multicast routers. No

  8. IPv6 address - Wikipedia

    en.wikipedia.org/wiki/IPv6_address

    Transmission is handled similarly; established sockets may be used to transmit IPv4 or IPv6 datagram, based on the binding to an IPv6 address, or an IPv4-mapped address.::ffff:0:0:0 / 96 — A prefix used for IPv4-translated addresses. These are used by the Stateless IP/ICMP Translation (SIIT) protocol. [40] 64:ff9b:: / 96 — The well-known ...

  9. 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).