IP reputation

Is 51.81.155.229 malicious?

IP reputation report for 51.81.155.229: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.

Run a live scan of 51.81.155.229 Download IP blocklists

51.81.155.229 is listed on 9 threat intelligence sources

Detected by 9 threat intelligence sources in the isMalicious dataset — review before trusting this IP.

Threat verdict

VerdictListed on blocklists

Appears on threat intelligence blocklists — treat with caution.

Blocklist detections9 sources

Categoriesproxy, anonymizer, malware, suspicious

Confidence score100/100

Aggregated confidence across the sources reporting this indicator.

Last updated2026-08-11

Detections

FireHOL - Dm Torproxy
FireHOL - Et Torproxy
Tor ALL Nodesanonymizer
FireHOL - Firehol Anonymousproxy
bitwire‑it IP blocklist – bad IPs updated every 2hmalware
IPsum Level 1suspicious
IPsum - Malicious IPsmalware
X4BNet - Datacenter IPv4 Rangesrisk
Bitwire - Inbound Blocklistmalware

Threat categories

proxy malware suspicious

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