MAC Hersteller Adressen | https://www.heise.de/netze/tools/mac/ |
IANA Internet Assigned Numbers Authority | http://www.iana.org/ |
Internet FAQ Archives | http://www.faqs.org/ |
Internet FAQ Archives TCP-IP | http://www.faqs.org/faqs/internet/tcp-ip/tcp-ip-faq/part1/ |
TCP - UDP Portnumbers at IANA.ORG | http://www.iana.org/assignments/port-numbers |
IP Geo-Location | https://ipinfo.io/ |
IP Location Map | https://iplocation.com/ |
Have i been "pwned" | https://haveibeenpwned.com/ Breach-Kontrolle |