AbuseIPDB » 104.21.27.41

104.21.27.41 was found in our database!

This IP was reported 51 times. Confidence of Abuse is 0%: ?

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

Important Note: 104.21.27.41 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 104.21.27.41

Whois 104.21.27.41

IP Abuse Reports for 104.21.27.41:

This IP address has been reported a total of 51 times from 18 distinct sources. 104.21.27.41 was first reported on November 14th 2024, and the most recent report was 2 weeks ago.

Old Reports: The most recent abuse report for this IP address is from 2 weeks ago. It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp in UTC	Comment	Categories
☠\|ʂɧąɖơῳ\|☠	2024-11-15 22:30:22 (3 weeks ago)	[2024 Nov 15 23:30:21] Suspiciously High Count (16 x) of RST Packets / 24 Hours detected from 104.21 ... show more[2024 Nov 15 23:30:21] Suspiciously High Count (16 x) of RST Packets / 24 Hours detected from 104.21.27.41 () 00:32:58 \| SPT=80 > DPT=35202 00:32:59 \| SPT=80 > DPT=35202 00:40:48 \| SPT=80 > DPT=43457 00:40:50 \| SPT=80 > DPT=43457 00:43:16 \| SPT=80 > DPT=53912 00:43:17 \| SPT=80 > DPT=53912 00:51:21 \| SPT=80 > DPT=54363 00:51:22 \| SPT=80 > DPT=54363 01:33:31 \| SPT=80 > DPT=59193 01:33:32 \| SPT=80 > DPT=59193 04:24:03 \| SPT=80 > DPT=20487 04:24:04 \| SPT=80 > DPT=20487 04:40:09 \| SPT=80 > DPT=11387 04:40:10 \| SPT=80 > DPT=11387 04:45:13 \| SPT=80 > DPT=30823 04:45:14 \| SPT=80 > DPT=30823 show less	Hacking
anon333	2024-11-15 05:33:06 (3 weeks ago)	Hacker syslog review 1731648786	Hacking
Study Bitcoin 🤗	2024-11-15 03:52:50 (3 weeks ago)	6 port probes: tcp/21871, tcp/39994, tcp/47524, tcp/31495, tcp/2804 (telexis vtu), tcp/22860 [ ... show more6 port probes: tcp/21871, tcp/39994, tcp/47524, tcp/31495, tcp/2804 (telexis vtu), tcp/22860 [srv126,srv129,srv135,srv127,srv134] show less	Port Scan
Study Bitcoin 🤗	2024-11-15 03:42:54 (3 weeks ago)	Port probe to tcp/46194 [srv134]	Port Scan
Cseengineer	2024-11-15 03:35:04 (3 weeks ago)	Extensive Port Scan of 26 attempts on 13 different TCP ports, partial list: 3571,4622,10321,21711,22 ... show moreExtensive Port Scan of 26 attempts on 13 different TCP ports, partial list: 3571,4622,10321,21711,22444 show less	Port Scan
Study Bitcoin 🤗	2024-11-15 03:26:24 (3 weeks ago)	2 port probes: tcp/7361, tcp/31937 [srv131,srv128]	Port Scan
WelshProgrammer	2024-11-15 03:04:02 (3 weeks ago)	Port Scan - Attempts connection on port(s) 26600,16309,56946,54343,48121	Port Scan Hacking Brute-Force
Study Bitcoin 🤗	2024-11-15 02:56:33 (3 weeks ago)	2 port probes: tcp/3667, tcp/29487 [srv130,srv131]	Port Scan
Study Bitcoin 🤗	2024-11-15 02:38:55 (3 weeks ago)	7 port probes: tcp/13299, tcp/43844, tcp/41856, tcp/17649, tcp/27415, tcp/16042, tcp/26523 [sr ... show more7 port probes: tcp/13299, tcp/43844, tcp/41856, tcp/17649, tcp/27415, tcp/16042, tcp/26523 [srv135,srv133,srv127,srv126,srv124] show less	Port Scan
Study Bitcoin 🤗	2024-11-15 02:24:29 (3 weeks ago)	5 port probes: tcp/44244, tcp/36594, tcp/26174, tcp/34334, tcp/44843 [srv132,srv130,srv133,srv ... show more5 port probes: tcp/44244, tcp/36594, tcp/26174, tcp/34334, tcp/44843 [srv132,srv130,srv133,srv126] show less	Port Scan
Study Bitcoin 🤗	2024-11-15 02:18:45 (3 weeks ago)	2 port probes: tcp/364 (aurora cmgr), tcp/12216 [srv127,srv133]	Port Scan
Study Bitcoin 🤗	2024-11-15 01:53:06 (3 weeks ago)	3 port probes: tcp/25028, tcp/713, tcp/16907 [srv133,srv127,srv124]	Port Scan
Tamsweb	2024-11-15 01:48:04 (3 weeks ago)	Unauthorized connection attempt or scan from 104.21.27.41 on port 80 ...	Port Scan
Study Bitcoin 🤗	2024-11-15 01:38:41 (3 weeks ago)	5 port probes: tcp/35479, tcp/37925, tcp/6062, tcp/45701, tcp/38551 [srv133,srv131,srv125,srv1 ... show more5 port probes: tcp/35479, tcp/37925, tcp/6062, tcp/45701, tcp/38551 [srv133,srv131,srv125,srv135] show less	Port Scan
Study Bitcoin 🤗	2024-11-15 01:28:13 (3 weeks ago)	3 port probes: tcp/3572 (harlequin.co.uk), tcp/14427, tcp/22749 [srv131,srv132,srv127]	Port Scan