https://www.shodan.io/search?query=port%3A23
Or to filter by product:telnetd
https://www.shodan.io/search?query=product%3Atelnetd
A query of "telnet" searches Shodan for banners where the "data" property contains the string "telnet":
https://book.shodan.io/getting-started/query-syntax/
https://www.shodan.io/search?query=port%3A23
Or to filter by product:telnetd
https://www.shodan.io/search?query=product%3Atelnetd
A query of "telnet" searches Shodan for banners where the "data" property contains the string "telnet":
https://book.shodan.io/getting-started/query-syntax/