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  • IPv6 and IPv4 addresses on the same network

    How can I have IPv6 and IPv4 addresses co-existing on my network allowing them to talk to each other even though most clients only have one or the other?

    TeachMeIT975 pointsBadges:
  • ipconfig returns nothing in cmd

    I've been having latency issues with my ISP. Last month I assigned Google DNS servers. The next day no connection could be made and no result for ipconfig in cmd. I was able to restore my computer to an earlier date and viola, everything was ok. I've been experiencing morelatency issues and decided...

    Jalarebel5 pointsBadges:
  • IPv4 addressing for a new network lab

    i work as a network assistant for a research lab in a large company. The research lab includes six computers for which central computing services have located the address space 172.16.1.0/29.i know plan to add 10 new computers to the research network.company policy states that each network is...

    Oluwethu20 pointsBadges:
  • “Class A” / IP Address Allocation

    I am confused with a lot of references that have different saids about Class A.   Is 127.0.0.1 one of the Class A members? (I know that it is useless somehow)   and number of nets is 126 or 128?   Thanks in advance.

    Ali312money25 pointsBadges:
  • Are multiple IP addresses from iPhone related somehow?

    I send out trackers included with all my emails.  Recently I compiled all the IPs that I found in those trackers and found that there were a bunch that were really close in number (see list below).  I sent these to different email addresses, yahoo, gmail, private domains, etc. For some reason I...

    Tcnlawyer35 pointsBadges:
  • Fix an incorrect IP address on our DNS server

    We are running 2003 server and dns for the network. A website changed its iP address and we still have the old one cached. How can we fix this? Ipconfig /flushdns on the client and server did nothing nor did restarting the dns service on the client and server.

    Karl Gechlik9,860 pointsBadges:
  • How can I tell who owns what IP addresses?

    Is there a method to tell who owns what IP addresses? I would like to know who owns a IP range that keeps showing up in my firewall logs. Can I pin point it to a company or just to the ISP like I am doing currently?

    Karl Gechlik9,860 pointsBadges:
  • Can I buy an IPv6 address?

    Can I buy an IPv6 address? How does the purchasing process work? I heard that ARIN will give enterprises IPv6 addresses for free, but is this true and what are the conditions?

    SearchEnterpriseWAN1,080 pointsBadges:
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