66.33.22.121
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.
66.33.22.121 is on our whitelist as SYN-flood protection via the subnet 66.33.22.0/24.
- ISP
- Railway
- Usage Type
- Content Delivery Network
- ASN
- AS400940
- Domain Name
- railway.com
- Country
- 🇺🇸 United States of America
- City
- San Francisco, California
Abuse Reports
Total reports
54 from
36 distinct
reporters
First reported
Most recent report
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): Hacking, Exploited Host. Last observed 2026-11-05 UTC.
|
Hacking Exploited Host | |
| 🇩🇪 phil2k |
Firewall: Within 2026-11-04 13:46:15 - 2026-11-04 13:46:15 CET(+0100) identified: unallowed access from 66.33.22.121 on port 22(ssh) (1 trial)
Fail2ban: Within 2026-11-04 13:46:15 - 2026-11-04 13:46:15 CET(+0100) banned: 1 times by fail2ban[firewall]
|
Port Scan Brute-Force SSH | |
| 🇺🇸 wbsouza |
CrowdSec: infra/ssh22-probe — automated firewall drops on self-hosted IDS sensor
|
SSH Brute-Force | |
| 🇺🇸 NetVexor |
Attack source identified and submitted via NetVexor BGP Blackhole Network
|
Port Scan Hacking Brute-Force | |
| 🇦🇹 urnilxfgbez |
Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
|
Port Scan | |
| 🇫🇷 sthoyer.de |
Nov 4 22:54:02 sthoyer kernel: [IPTables-Block] IN=eth0 OUT= MAC=00:50:56:43:00:af:c0:69:11:cd:10:f7:08:00 SRC=66.33.22.121 DST=173.212.223.67 LEN=44 TOS=0x00 PREC=0x00 TTL=244 ID=58242 PROTO=TCP SPT=50048 DPT=21 WINDOW=1025 RES=0x00 SYN URGP=0
...
|
Port Scan | |
| 🇺🇸 MPL |
tcp ports: 23,21 (3 or more attempts)
|
Port Scan | |
| 🇺🇸 MPL |
tcp ports: 22,21 (2 or more attempts)
|
Port Scan | |
| 🇹🇷 alastyr |
Port scan: probes to 3 unused addresses of AS3188 within 60 s. 14 further packets from this source blocked during the following ban. Ports: 21,22. Detected by Alastyr network sensor (XDP).
|
Port Scan | |
| 🇧🇷 radardatelecom |
Blocked by Radar da Telecom firewall — abuseipdb
|
Bad Web Bot Web App Attack | |
| 🇨🇭 ardoshipsquad |
Port scan blocked by firewall: TCP 22 (1 packet) within 24h.
|
Port Scan SSH | |
| 🇫🇷 sthoyer.de |
Nov 4 16:28:41 sthoyer kernel: [IPTables-Block] IN=eth0 OUT= MAC=00:50:56:43:00:af:c0:69:11:cd:10:f7:08:00 SRC=66.33.22.121 DST=173.212.223.67 LEN=44 TOS=0x00 PREC=0x00 TTL=244 ID=15750 PROTO=TCP SPT=50105 DPT=23 WINDOW=1025 RES=0x00 SYN URGP=0
...
|
Port Scan | |
| 🇺🇸 RAP |
2026-11-04 15:11:08 UTC Unauthorized activity to TCP port 22. SSH
|
SSH | |
| 🇺🇸 MPL |
tcp/21 (4 or more attempts)
|
Port Scan | |
| 🇧🇾 sashan |
2026-11-04T17:12:04.965320+03:00 gate kernel: nftables: JAIL-TELNET IN=wan OUT= MAC= SRC=66.33.22.121 DST=xxx.xxx.xxx.xxx LEN=44 TOS=0x00 PREC=0x00 TTL=245 ID=51771 PROTO=TCP SPT=50105 DPT=23 WINDOW=1025 RES=0x00 SYN URGP=0
...
|
Port Scan |
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