AbuseIPDB » 104.21.83.249
104.21.83.249 was found in our database!
This IP was reported 4 times. Confidence of
Abuse
is 0% : ?
ISP
Cloudflare, Inc.
Usage Type
Content Delivery Network
ASN
AS13335
Domain Name
cloudflare.com
Country
๐บ๐ธ
United States of America
City
San Francisco, California
IP info including ISP, Usage Type, and Location provided
by IPInfo . Updated weekly.
Important Note: 104.21.83.249 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.
IP Abuse Reports for 104.21.83.249 :
This IP address has been reported a total of
4
times from
4 distinct
sources.
104.21.83.249 was first reported on
May 7th 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
๐ท๐ด
abuse_IP_reporter
2026-05-07 17:45:02
(1 month ago)
May 7 19:54:53 server UFW BLOCK SRC=104.21.83.249 DF PROTO=TCP SPT=443
Port Scan
๐บ๐ธ
arc21
2026-05-07 16:55:24
(1 month ago)
2026-05-07T16:55:17.824348+00:00 ENGL-NYC-5 kernel: [111915.591742] [UFW BLOCK] IN=br0 OUT= PHYSIN=e ...
show more
2026-05-07T16:55:17.824348+00:00 ENGL-NYC-5 kernel: [111915.591742] [UFW BLOCK] IN=br0 OUT= PHYSIN=enp5s0 MAC=c6:28:62:bb:6a:37:44:4c:a8:25:16:b1:08:00 SRC=104.21.83.249 DST=130.12.156.66 LEN=40 TOS=0x00 PREC=0x60 TTL=53 ID=0 DF PROTO=TCP SPT=443 DPT=49282 WINDOW=0 RES=0x00 RST URGP=0
2026-05-07T16:55:21.102342+00:00 ENGL-NYC-5 kernel: [111918.870219] [UFW BLOCK] IN=br0 OUT= PHYSIN=enp5s0 MAC=c6:28:62:bb:6a:37:44:4c:a8:25:16:b1:08:00 SRC=104.21.83.249 DST=130.12.156.66 LEN=40 TOS=0x00 PREC=0x60 TTL=53 ID=0 DF PROTO=TCP SPT=443 DPT=49282 WINDOW=0 RES=0x00 RST URGP=0
2026-05-07T16:55:23.205351+00:00 ENGL-NYC-5 kernel: [111920.973390] [UFW BLOCK] IN=br0 OUT= PHYSIN=enp5s0 MAC=c6:28:62:bb:6a:37:44:4c:a8:25:16:b1:08:00 SRC=104.21.83.249 DST=130.12.156.66 LEN=40 TOS=0x00 PREC=0x60 TTL=53 ID=0 DF PROTO=TCP SPT=443 DPT=49282 WINDOW=0 RES=0x00 RST URGP=0
...
show less
Port Scan
๐บ๐ธ
Josh S.
2026-05-07 16:55:18
(1 month ago)
Blocked by UFW on Mailcow [23569/tcp]
Source port: 443
TTL: 53
Packet length: 40
TOS: 0x00
If this ...
show more
Blocked by UFW on Mailcow [23569/tcp]
Source port: 443
TTL: 53
Packet length: 40
TOS: 0x00
If this was a mistake contact me: [email protected]
show less
Port Scan
๐บ๐ธ
ISPLtd
2026-05-07 16:54:54
(1 month ago)
May 7 13:54:45 104.21.83.249 TCP SPT=443 DPT=65371
May 7 13:54:46 104.21.83.249 TCP SPT=443 DPT=6 ...
show more
May 7 13:54:45 104.21.83.249 TCP SPT=443 DPT=65371
May 7 13:54:46 104.21.83.249 TCP SPT=443 DPT=65371
May 7 13:54:53 104.21.83.249 TCP SPT=443 DPT=65371
...
show less
Port Scan
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