winsock.dev

winsock.dev is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-30 and last crawled it on 2026-08-30. It resolves to 172.67.142.163. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

Winsock — the two seconds after the modem stopped screeching

Before a browser could fetch anything, the two ends of a dial-up line had to agree there was a link. They did it by running an automaton at each other: ten states, sixteen events, printed in full in RFC 1661.