# 156.146.55.171 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/156.146.55.171
- Last updated: 2026-10-05

## Ownership

- Organization: —
- Network name: —
- Allocated block: —
- ASN: —
- Regional registry: —

## Location

- City: Sofia
- Region: Sofia-Capital
- Country: Bulgaria
- Time zone: Europe/Sofia

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- unn-156-146-55-171.cdn77.com
- Forward-confirmed: no

## Nearby addresses

- 156.146.55.161 (https://ipdebrief.com/156.146.55.161)
- 156.146.55.165 (https://ipdebrief.com/156.146.55.165)
- 156.146.55.168 (https://ipdebrief.com/156.146.55.168)
- 156.146.55.172 (https://ipdebrief.com/156.146.55.172)
- 156.146.55.176 (https://ipdebrief.com/156.146.55.176)
- 156.146.55.180 (https://ipdebrief.com/156.146.55.180)
- 156.146.55.184 (https://ipdebrief.com/156.146.55.184)
- 156.146.55.228 (https://ipdebrief.com/156.146.55.228)
- 156.146.55.240 (https://ipdebrief.com/156.146.55.240)

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Source: IPDebrief, "156.146.55.171 IP intelligence", https://ipdebrief.com/156.146.55.171, updated 2026-10-05. Assessments are probabilistic.