104.21.75.16
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.
104.21.75.16 is on our whitelist as Cloudflare Reverse Proxy via the subnet 104.16.0.0/13.
- ISP
- Cloudflare, Inc.
- Usage Type
- Content Delivery Network
- ASN
- AS13335
- Domain Name
- cloudflare.com
- Country
- 🇺🇸 United States of America
- City
- San Francisco, California
No reports in the last 60 days
104.21.75.16 has been reported 16 times. The most recent report is from .
The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.
Abuse Reports
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| 🇺🇸 ISPLtd |
Feb 28 03:35:42 104.21.75.16 TCP SPT=443 DPT=38673 SYN
Feb 28 03:35:43 104.21.75.16 TCP SPT=443 DPT=38673 SYN
Feb 28 04:50:07 104.21.75.16 TCP SPT=443 DPT=49929 SYN
...
|
Port Scan | |
| 🇺🇸 anon333 |
Hacker syslog review 1772267590
|
Hacking | |
| 🇫🇷 ISPLtd |
Feb 28 03:55:16 104.21.75.16 TCP SPT=443 DPT=39819 SYN
Feb 28 03:55:17 104.21.75.16 TCP SPT=443 DPT=39819 SYN
Feb 28 04:16:10 104.21.75.16 TCP SPT=443 DPT=47826
...
|
Port Scan | |
| 🇺🇸 xmission.com |
Blocked by UFW (TCP on 45027)
Source port: 443
TTL: 58
Packet length: 60
TOS: 0x00
This report (for 104.21.75.16) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan | |
| Anonymous |
|
Port Scan | |
| 🇺🇸 ISPLtd |
Feb 28 00:49:36 104.21.75.16 TCP SPT=443 DPT=422 SYN
Feb 28 00:49:37 104.21.75.16 TCP SPT=443 DPT=422 SYN
Feb 28 00:51:25 104.21.75.16 TCP SPT=443 DPT=24691
...
|
Port Scan | |
| 🇬🇧 Andrew |
Blocked by UFW (TCP on port 1846).
Source port: 443
TTL: 55
Packet length: 60
TOS: 0x00
This report (for 104.21.75.16) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan | |
| 🇫🇷 dusfor72 |
aggressive portscan
...
|
Port Scan | |
| 🇯🇵 jay hung |
|
Port Scan | |
| Anonymous |
Port Scan
|
Port Scan | |
| 🇨🇭 Elysium Security |
Mass port scanning on a whole network
|
Port Scan | |
| 🇬🇧 sonot |
Blocked by UFW on tunneluk01 [47152/tcp]
Source port: 443
TTL: 56
Packet length: 60
TOS: 0x00
This report was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan | |
| 🇰🇭 michaelSecure88 |
Phishing activity: https://www.applikeuber.com/uber-clone/
|
Brute-Force SSH | |
| 🇰🇭 udah pernah |
Phishing activity: https://www.applikeuber.com/uber-clone/
|
Brute-Force SSH | |
| 🇰🇭 michaelSecure88 |
Phishing activity: https://www.applikeuber.com/uber-clone/
|
Brute-Force SSH |
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