156.146.55.171 is an IPv4 address, geolocated to Sofia, Bulgaria. Its reverse DNS name is unn-156-146-55-171.cdn77.com. As of October 5, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
🔍 8 signal types · 11 observations collected
This report is generated from 8+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 156.146.55.171
Where is 156.146.55.171 located?
Geolocation data places 156.146.55.171 in Sofia, Sofia-Capital, Bulgaria. The local time zone is Europe/Sofia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 156.146.55.171 malicious or safe?
156.146.55.171 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 156.146.55.171?
The reverse DNS (PTR) record for 156.146.55.171 is unn-156-146-55-171.cdn77.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.
