66.33.23.100

Neutral Activity There is no recent abuse activity, or the IP address is whitelisted. Whitelisted Subnet

Whitelisted netblocks are typically owned by trusted entities, such as Google or Microsoft who may use them for search engine spiders. However, these same entities sometimes also provide cloud servers and mail services which are easily abused. Pay special attention when trusting or distrusting these IPs.

Abuse Confidence Score
0% Low Risk
50 reports
33 reporters · latest 1 week ago

66.33.23.100 is on our whitelist as SYN-flood protection via the subnet 66.33.23.0/24.

ISP
Railway
Usage Type
Content Delivery Network
ASN
AS400940
Domain Name
railway.com
Country
🇺🇸 United States of America
City
San Francisco, California
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Abuse Reports

Total reports
50 from 33 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇸 United States of America 21 🇩🇪 Germany 10 🇫🇷 France 7
Most common categories Port Scan 44 Brute-Force 14 SSH 11 Hacking 7 IoT Targeted 4
Old reports The most recent abuse report for this IP address is from . This IP is on our whitelist as SYN-flood protection.
Reporter IoA Timestamp (UTC) Comment Categories
🇧🇷 ICS Labs
ICS Labs threat intelligence (ICS Feeds): Hacking, Exploited Host. Last observed 2026-11-05 UTC.
Hacking Exploited Host
🇦🇹 urnilxfgbez
Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
Port Scan
🇫🇷 uthul
T-Pot honeypot: 5 hits on ports [3389] (automated)
Port Scan Brute-Force
🇺🇸 xmission.com
Blocked by UFW (TCP on 22) Source port: 50207 TTL: 237 Packet length: 44 TOS: 0x00 This report (for 66.33.23.100) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan SSH Brute-Force
Anonymous
Blocked by firewall on hugin [21/tcp] | Rule: UFW | SPT: 50207 | TTL: 247 | LEN: 44 | TOS: 0x00 • Reported by: github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan FTP Brute-Force
🇫🇷 security.rdmc.fr
Activity from blacklisted IP
Hacking
Anonymous
IP & Port Scan.
SSH Port Scan Brute-Force
🇺🇸 RAP
2026-11-04 15:59:45 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
🇺🇸 xmission.com
Blocked by UFW (TCP on 21) Source port: 50212 TTL: 237 Packet length: 44 TOS: 0x00 This report (for 66.33.23.100) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan FTP Brute-Force Brute-Force
🇺🇸 xmission.com
Blocked by UFW (TCP on 22) Source port: 50212 TTL: 237 Packet length: 44 TOS: 0x00 This report (for 66.33.23.100) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan SSH Brute-Force
🇵🇱 bart@
Automated scan detection against redacted protected targets. Hits=1; port 21 proto 6 detection honeypot_tcp
Port Scan
🇩🇪 RazorLabs.dev
Automated report from fail2ban: unsolicited TCP connection attempt to port 23/2323 (telnet) on a host running no telnet service, dropped by host firewall.
Port Scan Brute-Force IoT Targeted
🇺🇸 MPL
tcp/22 (2 or more attempts)
Port Scan
🇩🇪 iNetWorker
trying to access non-authorized port
Port Scan
🇺🇸 RAP
2026-11-04 12:05:44 UTC Unauthorized activity to TCP port 22. SSH
SSH

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