Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: Germany

Internet Service Provider: Ludwig-Maximilians-Universitaet Muenchen

Hostname: unknown

Organization: unknown

Usage Type: University/College/School

Comments:
Type Details Datetime
attackspambots
Port scan on 1 port(s): 53
2020-04-08 05:41:02
attack
Port scan on 1 port(s): 53
2020-03-31 23:58:37
attack
Port scan on 1 port(s): 53
2020-02-13 23:20:48
attack
Port scan on 1 port(s): 53
2020-01-20 15:52:05
attack
*Port Scan* detected from 138.246.253.21 (DE/Germany/planetlab21.net.in.tum.de). 5 hits in the last 270 seconds
2019-10-16 05:00:35
attackbotsspam
Port scan on 1 port(s): 53
2019-09-07 16:08:43
Comments on same subnet:
IP Type Details Datetime
138.246.253.15 attackspam
8 web app probes over 24 hour period.
2020-09-25 10:34:17
138.246.253.15 attackbots
CF RAY ID: 5ccfd7a5f8c6eda7 IP Class: unknown URI: /
2020-09-04 04:21:27
138.246.253.15 attack
Unauthorized connection attempt detected from IP address 138.246.253.15 to port 443 [T]
2020-09-03 20:03:51
138.246.253.7 attackbotsspam
 TCP (SYN) 138.246.253.7:49295 -> port 53, len 40
2020-08-13 01:56:06
138.246.253.15 attackbotsspam
CF RAY ID: 5be922ac2e11d44f IP Class: unknown URI: /
2020-08-06 23:50:03
138.246.253.15 attackspambots
Unauthorized connection attempt detected from IP address 138.246.253.15 to port 443
2020-06-24 00:44:02
138.246.253.15 attackspambots
138.246.253.15 - - [14/Apr/2020:15:20:12 +0200] "HEAD / HTTP/1.1" 400 3592 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.85 Safari/537.36"
2020-04-14 23:19:21
138.246.253.5 attackspam
From CCTV User Interface Log
...::ffff:138.246.253.5 - - [20/Mar/2020:09:06:43 +0000] "-" 400 179
...
2020-03-21 04:04:27
138.246.253.15 attackbotsspam
port scan and connect, tcp 443 (https)
2020-03-05 15:32:29
138.246.253.5 attack
138.246.253.5 - - [23/Feb/2020:12:13:07 -0500] "HEAD / HTTP/1.1" 500 - "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.85 Safari/537.36"
2020-02-24 05:41:47
138.246.253.10 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-19 22:38:30
138.246.253.5 attackspambots
The IP has triggered Cloudflare WAF. CF-Ray: 54172b9bff56c29f | WAF_Rule_ID: 3b40188685924a32bf11d40edea05a27 | WAF_Kind: firewall | CF_Action: challenge | Country: DE | CF_IPClass: unknown | Protocol: HTTP/1.1 | Method: HEAD | Host: d.skk.moe | User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.85 Safari/537.36 | CF_DC: FRA. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).
2019-12-08 03:48:13
138.246.253.5 attackspam
Open Proxy "PROMETHEUS" Node.
2019-11-04 18:34:33
138.246.253.5 attack
UTC: 2019-10-21 port: 443/tcp
2019-10-22 13:54:40
138.246.253.5 attack
firewall-block_invalid_GET_Request
2019-08-07 10:37:17
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.246.253.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57727
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;138.246.253.21.			IN	A

;; AUTHORITY SECTION:
.			2670	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019090700 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sat Sep 07 16:08:28 CST 2019
;; MSG SIZE  rcvd: 118
Host info
21.253.246.138.in-addr.arpa domain name pointer planetlab21.net.in.tum.de.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
21.253.246.138.in-addr.arpa	name = planetlab21.net.in.tum.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
163.172.191.141 attackspambots
Invalid user yan from 163.172.191.141 port 52054
2020-03-27 08:15:34
211.22.154.223 attackbots
Invalid user simulation from 211.22.154.223 port 53828
2020-03-27 08:16:15
202.77.40.212 attack
Invalid user zln from 202.77.40.212 port 33874
2020-03-27 08:10:37
180.76.167.9 attackbots
Invalid user kr from 180.76.167.9 port 42514
2020-03-27 08:03:02
192.144.155.110 attack
Mar 27 01:09:14 haigwepa sshd[10427]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.155.110 
Mar 27 01:09:16 haigwepa sshd[10427]: Failed password for invalid user xli from 192.144.155.110 port 56644 ssh2
...
2020-03-27 08:11:03
222.96.176.67 attack
Unauthorised access (Mar 26) SRC=222.96.176.67 LEN=40 TTL=51 ID=40357 TCP DPT=23 WINDOW=45840 SYN
2020-03-27 08:07:14
134.175.197.158 attackspam
Invalid user myron from 134.175.197.158 port 41540
2020-03-27 07:42:26
37.187.54.67 attack
Invalid user keithtan from 37.187.54.67 port 50162
2020-03-27 07:40:52
185.202.2.57 attack
185.202.2.57 - - \[27/Mar/2020:01:27:50 +0200\] "\\x03" 400 226 "-" "-"
2020-03-27 07:50:11
113.54.156.94 attack
Invalid user work from 113.54.156.94 port 34302
2020-03-27 08:15:03
190.191.163.43 attackbots
Invalid user polly from 190.191.163.43 port 50388
2020-03-27 07:42:03
109.194.175.27 attack
Invalid user rock from 109.194.175.27 port 57052
2020-03-27 07:40:06
104.248.114.2 attackbotsspam
WordPress XMLRPC scan :: 104.248.114.2 0.064 BYPASS [26/Mar/2020:22:38:55  0000] [censored_2] "POST /xmlrpc.php HTTP/1.1" 200 236 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-03-27 08:13:33
180.96.28.87 attackbotsspam
Mar 26 09:15:14 XXX sshd[45722]: Invalid user qg from 180.96.28.87 port 22595
2020-03-27 08:11:26
179.112.139.238 attackbots
[PY]  (sshd) Failed SSH login from 179.112.139.238 (BR/Brazil/179-112-139-238.user.vivozap.com.br): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 26 17:17:49 svr sshd[1435025]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.112.139.238  user=root
Mar 26 17:17:51 svr sshd[1435025]: Failed password for root from 179.112.139.238 port 15045 ssh2
Mar 26 17:17:53 svr sshd[1435227]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.112.139.238  user=root
Mar 26 17:17:54 svr sshd[1435227]: Failed password for root from 179.112.139.238 port 15046 ssh2
Mar 26 17:17:57 svr sshd[1435424]: Invalid user ubnt from 179.112.139.238 port 15047
2020-03-27 07:45:20

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