66.33.23.74

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
42 reports
28 reporters · latest 5 days ago

66.33.23.74 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
42 from 28 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇸 United States of America 19 🇩🇪 Germany 9 🇫🇷 France 2
Most common categories Port Scan 36 Hacking 8 SSH 8 Brute-Force 7 Ping of Death 1
Recent reports We have received reports of abusive activity from this IP address within the last week. This IP is on our whitelist as SYN-flood protection. Shared services like this are often reported for traffic that is not abuse, so review the reports before blocking.
Reporter IoA Timestamp (UTC) Comment Categories
🇧🇷 ICS Labs
ICS Labs threat intelligence (ICS Feeds): Exploited Host. Last observed 2026-11-05 UTC.
Exploited Host
🇩🇪 phil2k
Firewall: Within 2026-11-04 13:02:20 - 2026-11-04 13:02:20 CET(+0100) identified: unallowed access from 66.33.23.74 on port 22(ssh) (1 trial) Fail2ban: Within 2026-11-04 13:02:20 - 2026-11-04 13:02:20 CET(+0100) banned: 1 times by fail2ban[firewall]
Port Scan Brute-Force SSH
🇦🇹 urnilxfgbez
Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
Port Scan
Anonymous
Unauthorized connection
Port Scan Hacking
🇺🇸 RAP
2026-11-04 21:59:48 UTC Unauthorized activity to TCP port 22. SSH
SSH
🇺🇸 NetVexor
Attack source identified and submitted via NetVexor BGP Blackhole Network
Port Scan Hacking Brute-Force
🇩🇪 Da_tschek
Port scanning
Port Scan Hacking
🇳🇱 rmvanderspek
SSH Brute-force attempt detected.
Brute-Force SSH
🇺🇸 MPL
tcp/22
Port Scan
🇺🇸 RAP
2026-11-04 13:38:08 UTC Unauthorized activity to TCP port 22. SSH
SSH
🇷🇴 abuse_IP_reporter
Nov 4 14:18:53 server UFW BLOCK SRC=66.33.23.74 PROTO=TCP SPT=50053 DPT=22
Port Scan
🇺🇸 MPL
tcp port scan (4 or more attempts)
Port Scan
🇺🇸 RAP
2026-11-04 10:35:15 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
🇺🇸 MPL
tcp ports: 22,23 (4 or more attempts)
Port Scan
🇭🇰 mutebot.net
SRC=66.33.23.74, PROTO=TCP, SPT=50053, DPT=23
Port Scan

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