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  2. Google URL Shortener - Wikipedia

    en.wikipedia.org/wiki/Google_URL_Shortener

    Google URL Shortener. Existing links will stop working on August 25, 2025. Google URL Shortener, also known as goo.gl, is a URL shortening service owned by Google. It was launched in December 2009, initially used for Google Toolbar and Feedburner. [ 2] The company launched a separate website, goo.gl, in September 2010. [ 3][ 4][ 5]

  3. URL shortening - Wikipedia

    en.wikipedia.org/wiki/URL_shortening

    URL shortening. The URL shortener on Meta-Wiki. URL shortening is a technique on the World Wide Web in which a Uniform Resource Locator (URL) may be made substantially shorter and still direct to the required page. This is achieved by using a redirect which links to the web page that has a long URL.

  4. TinyURL - Wikipedia

    en.wikipedia.org/wiki/TinyURL

    Active. TinyURL is a URL shortening web service, which provides short aliases for redirection of long URLs. Kevin Gilbertson, a web developer, launched the service in January 2002 [1] as a way to post links in newsgroup postings which frequently had long, cumbersome addresses. TinyURL was the first notable URL shortening service and is one of ...

  5. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header.

  6. Bitly - Wikipedia

    en.wikipedia.org/wiki/Bitly

    Active. Bitly is a URL shortening service and a link management platform. The company Bitly, Inc. was established in 2008. It is privately held and based in New York City. Bitly shortens 600 million links per month, [4] for use in social networking, SMS, and email. Bitly makes money by charging for access to aggregate data created as a result ...

  7. IP address blocking - Wikipedia

    en.wikipedia.org/wiki/IP_address_blocking

    IP address blocking. IP address blocking or IP banning is a configuration of a network service that blocks requests from hosts with certain IP addresses. IP address blocking is commonly used to protect against brute force attacks and to prevent access by a disruptive address. It can also be used to restrict access to or from a particular ...

  8. 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 1 048 576: Private network Used for local communications within a private network [3] 192.0.0.0/24 192.0.0.0–192.0.0.255 256

  9. Google Public DNS - Wikipedia

    en.wikipedia.org/wiki/Google_Public_DNS

    Google Public DNS. Google Public DNS is a Domain Name System (DNS) service offered to Internet users worldwide by Google. It functions as a recursive name server . Google Public DNS was announced on December 3, 2009, [ 1] in an effort described as "making the web faster and more secure." [ 2][ 3] As of 2018, it is the largest public DNS service ...