MikroTik

SNMP:
  Versions:
    3
  Engineid Format: text
  Engine Boots: 0
  Engineid Data: 80003a8c04
  Enterprise: 14988
  Engine Time: 0:00:00

HTTP/1.0 407 Proxy Authentication Required
Server: tinyproxy/1.11.1
Content-Type: text/html
Proxy-Authenticate: Basic realm="Tinyproxy"
Connection: close