IP info including ISP, Usage Type, and Location provided
by IPInfo. Updated weekly.
Important Note: 104.21.16.224 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.
Nov 30 10:56:46 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48973 SYN
Nov 30 10:56:47 SRC=104.21.16.224 ...
show moreNov 30 10:56:46 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48973 SYN
Nov 30 10:56:47 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48973 SYN
Nov 30 10:56:47 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48973
...
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Port scanning: 104.21.16.224 was recorded 11 times by 2 hosts attempting to connect to 5 unique port ...
show morePort scanning: 104.21.16.224 was recorded 11 times by 2 hosts attempting to connect to 5 unique ports (37319/tcp,40886/tcp,54805/tcp,47482/tcp,34533/tcp)
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Nov 29 14:52:44 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=63343 SYN
Nov 29 14:52:45 SRC=104.21.16.224 ...
show moreNov 29 14:52:44 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=63343 SYN
Nov 29 14:52:45 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=63343 SYN
Nov 29 15:45:21 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=33482
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Nov 29 14:53:23 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=57271 SYN
Nov 29 14:53:24 SRC=104.21.16.224 ...
show moreNov 29 14:53:23 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=57271 SYN
Nov 29 14:53:24 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=57271 SYN
Nov 29 15:17:41 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=33434
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Nov 29 12:03:45 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48766 SYN
Nov 29 12:03:46 SRC=104.21.16.224 ...
show moreNov 29 12:03:45 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48766 SYN
Nov 29 12:03:46 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48766 SYN
Nov 29 12:03:47 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=48766
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Nov 29 14:27:47 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=56356 SYN
Nov 29 14:27:48 SRC=104.21.16.224 ...
show moreNov 29 14:27:47 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=56356 SYN
Nov 29 14:27:48 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=56356 SYN
Nov 29 14:42:25 SRC=104.21.16.224 PROTO=TCP SPT=443 DPT=21508
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Port Scan
Anonymous
[DoS Attack: SYN/ACK Scan] port 443 2 probe(s) in 24 hrs