RouterOS

HTTP/1.1 200 OK
Cache-Control: max-age=31536000
Connection: Keep-Alive
Content-Length: 1280
Content-Type: text/html
Date: Wed, 16 Sep 2026 19:39:27 GMT
Expires: Thu, 16 Sep 2027 19:39:27 GMT
X-Frame-Options: sameorigin

MikroTik bandwidth-test server

\x01\x00\x00\x00