IP Addresses in United States 🇺🇸

Territory File US Registry Data

Allocation

Country: 🇺🇸 United States (US)
Registry: ARIN
Full Name: ARIN (American Registry for Internet Numbers)

Assessment

IP blocks used in United States are allocated by ARIN, the regional internet registry for this territory. Registry records are the most reliable layer of IP geolocation — they resolve the country correctly 95–99% of the time, while city-level fixes inside United States remain approximate.

Notable networks traced to United States

IP Address	Operator	City
8.8.8.8	Google LLC	Mountain View
8.8.4.4	Google LLC	Mountain View
9.9.9.9	Quad9	Berkeley (North Berkeley)
149.112.112.112	Quad9	Berkeley (North Berkeley)
208.67.222.222	Cisco OpenDNS, LLC	San Jose (Tasman and Zanker)
208.67.220.220	Cisco OpenDNS, LLC	San Jose (Tasman and Zanker)
4.2.2.2	Level 3 Communications, Inc.	Independence
4.2.2.1	Level 3 Communications, Inc.	Independence

Trace an address

Enter any IP on the tracer to see whether it resolves to United States, which network operates it, and how much confidence the fix deserves. For background, read how IP geolocation works and how accurate it really is — including why mobile and VPN traffic often resolves to the wrong city entirely.