Is 192.81.131.55 malicious?

IP reputation report for 192.81.131.55: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.

192.81.131.55 is listed on 42 threat intelligence sources

Detected by 42 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 detections42 sources
Categoriesattack, malware, phishing, suspicious, attacks, abuse, bruteforce, botnet
Confidence score100/100

Aggregated confidence across the sources reporting this indicator.

First seen2026-05-20
Last updated2026-05-20

Network & location

LocationFremont, California, United States
ISPAkamai Technologies, Inc.

Security posture

TLS certificates observed2
Open ports22

Detections

  • Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
  • FireHOL - Blocklist Deattack
  • FireHOL - Blocklist De Sshattack
  • FireHOL - Ciarmymalware
  • FireHOL - Firehol Level2attack
  • FireHOL - Firehol Level3attack
  • FireHOL - Iblocklist Ciarmy Maliciousmalware
  • Opendbl Net - Blocklistde All.listmalware
  • Opendbl Net - Ipsum.listmalware
  • Romain Marcoux - Malicious Outgoing IPsphishing
  • Romain Marcoux - Malicious IPsphishing
  • Blocklist - All SSH attacks (48h)attack
  • Blocklist - All Attacks (48h)attack
  • CINSSCORE Bad Guysmalware
  • CyberCure Blocked URL Feedmalware
  • CyberCure Hash Feedmalware
  • CyberCure IP Feedmalware
  • IPsum Level 2suspicious
  • IPsum Level 3suspicious
  • SMTP Greetattack
  • Ultimate Hosts Blacklist - Blocklist.demalware
  • IPsum – malicious IP feedmalware
  • FireHOL blocklist.de – fail2ban offendersattacks
  • Borestad - AbuseIPDB Blocklist (1d)abuse

+18 more sources in the full report.

Threat categories

Related malicious IPs on nearby networks