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List of TCP and UDP port numbers - Wikipedia
Address - Wikipedia
What is the Internet Message Access Protocol (IMAP)?
Identify network hardware and protocols: View as single page ...
List of ZIP Code prefixes - Wikipedia
Toronto's First Post Office | Ontario Museums
Cisco - Wikipedia
TCP vs HTTP - What are the Key Differences? - Techgeekbuzz
What is the NetBIOS Protocol? – Technology Gee
Hirohito - Wikipedia