104.21.51.52
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.
104.21.51.52 is an IP address from within our whitelist belonging to the subnet 104.16.0.0/13, which we identify as "Cloudflare Reverse Proxy".
- 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
104.21.51.52 has been reported 3 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 |
|---|---|---|---|
| 🇺🇸 xmission.com |
Blocked by UFW (TCP on 59072)
Source port: 443
TTL: 60
Packet length: 40
TOS: 0x00
This report (for 104.21.51.52) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
|
Port Scan | |
| 🇯🇵 fred |
as mastercard-ordgoalarian.cryptos247.net for master card fake login in Japanese
|
Phishing | |
| 🇯🇵 fred |
as mastercard-ordgoalarian.cryptos247.net for master card fake login in Japanese
|
Phishing |
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