I've installed Wireshark on my Windows machine, and to my knowledge, the section at the bottom represents the packets in their octal and ASCII form. When I click on the IP version & the header length (20B), Wireshark highlights 45, which is 69 in decimal and E in ASCII. Could someone please explain this? Thank you.

Wireshark ss


1 Answer 1


Both IP version and header length are four-bit headers, located within the same octet.

Indicating insignificant digits with ., hexadecimal 4. or binary 0100.... indicates IPv4, and hex .5 or bin ....0101indicates five 32-bit words or twenty octets.

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