Is 206.123.156.231:4435 a proxy? Yes, it was.

Port 4435: Registered port range

This port sits in the middle range, where any ordinary program can listen without special permission. The number itself carries no reserved meaning, which tells you somebody picked it on purpose instead of accepting a default.

Every check is a real connection

HProxy does not read this address off somebody else's list and pass it on. Each check opens a real connection to 206.123.156.231:4435 and gives it up to 90 seconds to answer. Slow is not the same as dead, and plenty of working proxies take half a minute to reply. Anything that does not answer in that budget counts as a failure and is recorded as one, which is why the percentage on this page moves rather than sitting at a marketing number. The handshake is attempted across HTTP, HTTPS, SOCKS4 and SOCKS5, so a proxy is never missed because we guessed the wrong protocol.

288 checks, 205 answered

That is 71% of the time, measured since June 19, 2026. Every one of those results, successes and failures alike, is a connection HProxy opened itself.

We are still watching for it to come back

Being archived does not stop the testing. 206.123.156.231:4435 answered before, so it is exactly the kind of address that can return, and the sweep works through the whole database and reaches every address roughly once every 24 hours. Its last check was on June 30, 2026, so the next one is due within a day of that. The moment it answers again it is promoted straight back into the live free proxy list, automatically, with no manual step.