66.33.23.75

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
45 reports
29 reporters · latest 5 days ago

66.33.23.75 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
45 from 29 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇸 United States of America 21 🇩🇪 Germany 9 🇫🇷 France 2
Most common categories Port Scan 37 SSH 10 Hacking 8 Brute-Force 8 Exploited Host 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 12:59:10 - 2026-11-04 12:59:10 CET(+0100) identified: unallowed access from 66.33.23.75 on port 22(ssh) (1 trial) Fail2ban: Within 2026-11-04 12:59:10 - 2026-11-04 12:59:10 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 21:59:47 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
Anonymous
unsolicited connect TCP dport 21 (sport 50053)
Hacking
🇺🇸 MPL
tcp/22
Port Scan
🇳🇱 rmvanderspek
SSH Brute-force attempt detected.
Brute-Force SSH
🇺🇸 RAP
2026-11-04 13:34:31 UTC Unauthorized activity to TCP port 22. SSH
SSH
🇺🇸 MPL
tcp port scan (3 or more attempts)
Port Scan
🇺🇸 xmission.com
Blocked by UFW (TCP on 21) Source port: 50053 TTL: 237 Packet length: 44 TOS: 0x00 This report (for 66.33.23.75) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan FTP Brute-Force Brute-Force
🇷🇺 dnsbd.tech
nftables: Port scan (TCP:23) [srv1]
Port Scan Hacking
🇺🇸 RAP
2026-11-04 10:32:29 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan

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