About IP Address 128.231.0.0
128.231.0.0 is a public IPv4 address announced by National Institutes of Health under AS3527, geolocated to Bethesda, United States.
IP geolocation identifies the registered network location, not a precise street address. Country-level accuracy is typically 95-99%; city-level accuracy varies. Learn more about IP geolocation →
Frequently Asked Questions
Where is IP 128.231.0.0 located?
IP address 128.231.0.0 is located in Bethesda, Maryland, United States.
Who owns IP address 128.231.0.0?
IP 128.231.0.0 is operated by National Institutes of Health under autonomous system AS3527.
Is 128.231.0.0 a VPN or proxy?
No - 128.231.0.0 does not appear on public VPN, datacenter, or Tor exit lists. Use the live checker for deeper detection.