ARIN · .us
IP address reputation in United States
IP addresses from United States are allocated by the ARIN registry. Major networks include Comcast, AT&T, Verizon. Before trusting a connection, email or signup from such an IP, check its reputation: abuse reports, blocklist presence and whether it belongs to a proxy or VPN.
Country at a glance
| Regional registry (RIR) | ARIN |
| Region | North America |
| Country code (ccTLD) | .us |
| Calling code | +1 |
| Major networks | Comcast, AT&T, Verizon |
Data sources we cross-reference
We cross-reference 62+ specialised sources (of 176+ total).
Frequently asked questions
How do I check an IP from United States?
Paste the address into the IP check — we cross-reference abuse reports, blocklists and network data and return a 0–100 risk score.
What does a high risk score mean?
The address has been reported for malicious activity or sits on blocklists. Consider rate-limiting or blocking its traffic.
Can you detect VPN or proxy?
Yes. We flag United States IPs that belong to VPNs, open proxies or Tor.
IP reputation by country
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