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AbuseIPDB » 104.21.36.99

104.21.36.99 was found in our database!

This IP was reported 10 times. Confidence of Abuse is 0%: ?

ISP	Cloudflare, Inc.
Usage Type	Content Delivery Network
ASN	AS13335
Domain Name	cloudflare.com
Country	🇺🇸 United States of America
City	San Francisco, California

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

Important Note: 104.21.36.99 is an IP address from within our whitelist belonging to the subnet 104.16.0.0/13, which we identify as: "Cloudflare Reverse Proxy".

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.

Report 104.21.36.99

Whois 104.21.36.99

IP Abuse Reports for 104.21.36.99:

This IP address has been reported a total of 10 times from 6 distinct sources. 104.21.36.99 was first reported on March 12th 2026, and the most recent report was 1 month ago.

Old Reports: The most recent abuse report for this IP address is from 1 month ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇯🇵 aPaJnJ32	2026-05-18 10:21:00 (1 month ago)	V-Point Scam on www.pklhlj.com	Phishing
🇨🇭 pingusurmars	2026-03-13 05:12:22 (3 months ago)	Blocked by UFW on amperetwo [34546/tcp] Source port: 80 TTL: 58 Packet length: 60 TOS: 0x00 This re ... show more Blocked by UFW on amperetwo [34546/tcp] Source port: 80 TTL: 58 Packet length: 60 TOS: 0x00 This report was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan
🇩🇪 Richie	2026-03-13 05:09:17 (3 months ago)	[HOST1] Port Scan detected	Port Scan
Anonymous	2026-03-13 04:41:40 (3 months ago)	Mar 13 00:41:38 localhost kernel: [101722375.351145] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:9 ... show more Mar 13 00:41:38 localhost kernel: [101722375.351145] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:00:00:0c:9f:f0:1e:08:00 SRC=104.21.36.99 DST=[mungedIP2] LEN=60 TOS=0x00 PREC=0x40 TTL=51 ID=0 DF PROTO=TCP SPT=80 DPT=63587 WINDOW=65535 RES=0x00 ACK SYN URGP=0 Mar 13 00:41:38 localhost kernel: [101722375.351154] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:00:00:0c:9f:f0:1e:08:00 SRC=104.21.36.99 DST=[mungedIP2] LEN=60 TOS=0x00 PREC=0x40 TTL=51 ID=0 DF PROTO=TCP SPT=80 DPT=63587 SEQ=2689725542 ACK=1221113902 WINDOW=65535 RES=0x00 ACK SYN URGP=0 OPT (020405780402080A66E1FE5D0E933E2B0103030D) Mar 13 00:41:39 localhost kernel: [101722376.389336] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:00:00:0c:9f:f0:1e:08:00 SRC=104.21.36.99 DST=[mungedIP2] LEN=60 TOS=0x00 PREC=0x40 TTL=51 ID=0 DF PROTO=TCP SPT=80 DPT=63587 WINDOW=65535 RES=0x00 ACK SYN URGP=0 Mar 13 00:41:39 localhost kernel: [101722376.389346] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:00:00:0c:9f:f0 show less	Port Scan
🇺🇸 ISPLtd	2026-03-13 04:38:17 (3 months ago)	Mar 12 22:37:42 104.21.36.99 TCP SPT=80 DPT=29278 SYN Mar 12 22:37:43 104.21.36.99 TCP SPT=80 DPT=29 ... show more Mar 12 22:37:42 104.21.36.99 TCP SPT=80 DPT=29278 SYN Mar 12 22:37:43 104.21.36.99 TCP SPT=80 DPT=29278 SYN Mar 12 22:38:17 104.21.36.99 TCP SPT=80 DPT=29278 ... show less	Port Scan
🇺🇸 ISPLtd	2026-03-13 02:48:22 (3 months ago)	Mar 12 18:49:54 104.21.36.99 TCP SPT=80 DPT=25710 SYN Mar 12 18:49:55 104.21.36.99 TCP SPT=80 DPT=25 ... show more Mar 12 18:49:54 104.21.36.99 TCP SPT=80 DPT=25710 SYN Mar 12 18:49:55 104.21.36.99 TCP SPT=80 DPT=25710 SYN Mar 12 20:48:22 104.21.36.99 TCP SPT=80 DPT=25710 ... show less	Port Scan
🇺🇸 ISPLtd	2026-03-13 02:27:45 (3 months ago)	Mar 12 23:24:20 104.21.36.99 TCP SPT=80 DPT=42268 SYN Mar 12 23:24:21 104.21.36.99 TCP SPT=80 DPT=42 ... show more Mar 12 23:24:20 104.21.36.99 TCP SPT=80 DPT=42268 SYN Mar 12 23:24:21 104.21.36.99 TCP SPT=80 DPT=42268 SYN Mar 12 23:27:44 104.21.36.99 TCP SPT=80 DPT=42268 SYN ... show less	Port Scan
🇫🇷 ISPLtd	2026-03-13 01:05:17 (3 months ago)	Mar 12 22:04:35 104.21.36.99 TCP SPT=80 DPT=44671 SYN Mar 12 22:04:36 104.21.36.99 TCP SPT=80 DPT=44 ... show more Mar 12 22:04:35 104.21.36.99 TCP SPT=80 DPT=44671 SYN Mar 12 22:04:36 104.21.36.99 TCP SPT=80 DPT=44671 SYN Mar 12 22:05:16 104.21.36.99 TCP SPT=80 DPT=44671 ... show less	Port Scan
🇫🇷 ISPLtd	2026-03-13 00:09:57 (3 months ago)	Mar 12 21:09:44 104.21.36.99 TCP SPT=80 DPT=11766 SYN Mar 12 21:09:45 104.21.36.99 TCP SPT=80 DPT=11 ... show more Mar 12 21:09:44 104.21.36.99 TCP SPT=80 DPT=11766 SYN Mar 12 21:09:45 104.21.36.99 TCP SPT=80 DPT=11766 SYN Mar 12 21:09:57 104.21.36.99 TCP SPT=80 DPT=11766 ... show less	Port Scan
🇺🇸 xmission.com	2026-03-12 23:51:21 (3 months ago)	Blocked by UFW (TCP on 20847) Source port: 80 TTL: 51 Packet length: 60 TOS: 0x00 This report (for ... show more Blocked by UFW (TCP on 20847) Source port: 80 TTL: 51 Packet length: 60 TOS: 0x00 This report (for 104.21.36.99) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter show less	Port Scan

Showing 1 to 10 of 10 reports

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