161.249.144.0/20 covers 161.249.144.0 to 161.249.159.255, 4,096 IPv4 addresses. It is announced by AS10879 (UnitedHealthcare, Inc.). Every sampled address geolocates to United States, with 100% in Plymouth. It is registered to a business. None of the sampled addresses are flagged as VPN, proxy or Tor.