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What IP address is my device using and who is the ISP?
  https://bgp.he.net
  https://lg.he.net

Check IPv6 Compatibility
  http://www.test-ipv6.com
  
What's my DNS Server
  http://www.whatsmydnsserver.com
  https://www.dnsleaktest.com

Test Bandwidth
  http://speedtest.mediacomtoday.com
  http://speedtest.centurylink.com
  http://www.speedtest.net
  https://www.ozspeedtest.com/bandwidth-test/cloudflare-speed-test/238/
  https://fast.com (requires cookies)
  
IPv6 Address Types
  https://www.ripe.net/participate/member-support/lir-basics/ipv6_reference_card.pdf
  https://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.xhtml


Network Tools sam.wormley@gmail.com