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  2. Reverse DNS lookup - Wikipedia

    en.wikipedia.org/wiki/Reverse_DNS_lookup

    Reverse DNS lookup. In computer networks, a reverse DNS lookup or reverse DNS resolution ( rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain name associated with an IP address – the reverse of the usual "forward" DNS lookup of an IP address from a domain name. [1] The process of reverse resolving of an IP ...

  3. Employer Identification Number - Wikipedia

    en.wikipedia.org/wiki/Employer_Identification_Number

    Employer Identification Number. The Employer Identification Number ( EIN ), also known as the Federal Employer Identification Number ( FEIN) or the Federal Tax Identification Number ( FTIN ), is a unique nine-digit number assigned by the Internal Revenue Service (IRS) to business entities operating in the United States for the purposes of ...

  4. IP header - Wikipedia

    en.wikipedia.org/wiki/IP_header

    An IP header is header information at the beginning of an Internet Protocol (IP) packet. An IP packet is the smallest message entity exchanged via the Internet Protocol across an IP network. IP packets consist of a header for addressing and routing, and a payload for user data. The header contains information about IP version, source IP address ...

  5. Refinitiv Identification Code - Wikipedia

    en.wikipedia.org/wiki/Refinitiv_Identification_Code

    Refinitiv Identification Code. A Refinitiv Instrument Code [1] (previously Reuters Instrument Code), or RIC, is a ticker -like code used by Refinitiv to identify financial instruments and indices. The codes are used for looking up information on various Refinitiv financial information networks (such as Refinitiv Real Time) and appear to have ...

  6. Niantic, Inc. - Wikipedia

    en.wikipedia.org/wiki/Niantic,_Inc.

    Niantic, Inc. ( / naɪˈæntɪk / ny-AN-tik) [2] is an American software development company based in San Francisco. Niantic is best known for developing the augmented reality mobile games Ingress and Pokémon Go. The company was formed as Niantic Labs in 2010 as an internal startup within Google. The company became an independent entity in ...

  7. Caller ID - Wikipedia

    en.wikipedia.org/wiki/Caller_ID

    Caller identification ( Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller 's telephone number to the called party 's telephone equipment when the call is being set up. The caller ID service may include the transmission of a name associated with the ...

  8. .arpa - Wikipedia

    en.wikipedia.org/wiki/.arpa

    The domain name arpa is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. It is used predominantly for the management of technical network infrastructure. Prominent among such functions are the subdomains in-addr.arpa and ip6.arpa, which provide namespaces for reverse DNS lookup of IPv4 and IPv6 addresses, respectively.

  9. IPv6 - Wikipedia

    en.wikipedia.org/wiki/IPv6

    t. e. Internet Protocol version 6 ( IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet. IPv6 was developed by the Internet Engineering Task Force (IETF) to deal with the long-anticipated ...