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: Unitymedia BW GmbH

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackspambots
2019-12-18T16:15:32.094602suse-nuc sshd[12986]: Invalid user charlotte from 78.43.55.100 port 52806
...
2020-02-18 07:13:10
attack
Invalid user minecraft from 78.43.55.100 port 57816
2020-01-19 03:30:41
attackbots
SSH Brute-Force reported by Fail2Ban
2020-01-10 04:48:56
attackspam
Unauthorized connection attempt detected from IP address 78.43.55.100 to port 2220 [J]
2020-01-06 20:44:52
attack
2019-12-30T00:33:37.132131shield sshd\[11664\]: Invalid user mysql from 78.43.55.100 port 59704
2019-12-30T00:33:37.136294shield sshd\[11664\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=hsi-kbw-078-043-055-100.hsi4.kabel-badenwuerttemberg.de
2019-12-30T00:33:39.585328shield sshd\[11664\]: Failed password for invalid user mysql from 78.43.55.100 port 59704 ssh2
2019-12-30T00:38:22.122678shield sshd\[12052\]: Invalid user scortes from 78.43.55.100 port 46399
2019-12-30T00:38:22.126864shield sshd\[12052\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=hsi-kbw-078-043-055-100.hsi4.kabel-badenwuerttemberg.de
2019-12-30 08:43:40
attackbotsspam
Dec 28 21:39:04 lnxded64 sshd[27883]: Failed password for lp from 78.43.55.100 port 53825 ssh2
Dec 28 21:39:04 lnxded64 sshd[27883]: Failed password for lp from 78.43.55.100 port 53825 ssh2
Dec 28 21:43:52 lnxded64 sshd[28985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.43.55.100
2019-12-29 05:00:52
attack
Dec 23 11:37:19 h2177944 sshd\[20775\]: Invalid user luzia from 78.43.55.100 port 58735
Dec 23 11:37:19 h2177944 sshd\[20775\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.43.55.100
Dec 23 11:37:22 h2177944 sshd\[20775\]: Failed password for invalid user luzia from 78.43.55.100 port 58735 ssh2
Dec 23 11:46:31 h2177944 sshd\[21199\]: Invalid user londerville from 78.43.55.100 port 32893
...
2019-12-23 20:06:34
attackbots
Dec 22 11:11:20 [host] sshd[24357]: Invalid user ambbill from 78.43.55.100
Dec 22 11:11:20 [host] sshd[24357]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.43.55.100
Dec 22 11:11:22 [host] sshd[24357]: Failed password for invalid user ambbill from 78.43.55.100 port 40933 ssh2
2019-12-22 20:59:16
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 78.43.55.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16841
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			415	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019122200 1800 900 604800 86400

;; Query time: 119 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Dec 22 20:59:09 CST 2019
;; MSG SIZE  rcvd: 116
Host info
100.55.43.78.in-addr.arpa domain name pointer HSI-KBW-078-043-055-100.hsi4.kabel-badenwuerttemberg.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
100.55.43.78.in-addr.arpa	name = HSI-KBW-078-043-055-100.hsi4.kabel-badenwuerttemberg.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
218.107.46.228 attack
firewall-block, port(s): 1433/tcp
2020-02-10 15:27:16
113.180.111.229 attackbotsspam
20/2/9@23:54:45: FAIL: Alarm-Network address from=113.180.111.229
...
2020-02-10 15:44:22
86.122.123.102 attackbots
Automatic report - Banned IP Access
2020-02-10 15:35:12
165.227.113.2 attackspambots
*Port Scan* detected from 165.227.113.2 (US/United States/-). 4 hits in the last 150 seconds
2020-02-10 15:27:45
122.164.215.135 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-10 15:16:46
198.254.117.138 attackspam
1581310490 - 02/10/2020 05:54:50 Host: 198.254.117.138/198.254.117.138 Port: 445 TCP Blocked
2020-02-10 15:39:03
112.85.42.174 attack
Feb 10 02:15:01 NPSTNNYC01T sshd[30093]: Failed password for root from 112.85.42.174 port 19524 ssh2
Feb 10 02:15:04 NPSTNNYC01T sshd[30093]: Failed password for root from 112.85.42.174 port 19524 ssh2
Feb 10 02:15:14 NPSTNNYC01T sshd[30093]: error: maximum authentication attempts exceeded for root from 112.85.42.174 port 19524 ssh2 [preauth]
...
2020-02-10 15:23:24
119.188.246.175 attackspambots
Feb 10 08:07:07 MK-Soft-VM3 sshd[10635]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.188.246.175 
Feb 10 08:07:09 MK-Soft-VM3 sshd[10635]: Failed password for invalid user eff from 119.188.246.175 port 35081 ssh2
...
2020-02-10 15:43:46
222.186.15.158 attackspam
Feb 10 07:51:32 MK-Soft-VM4 sshd[16244]: Failed password for root from 222.186.15.158 port 26986 ssh2
Feb 10 07:51:36 MK-Soft-VM4 sshd[16244]: Failed password for root from 222.186.15.158 port 26986 ssh2
...
2020-02-10 15:11:26
193.112.54.66 attackbotsspam
2020-02-09T23:30:08.0514611495-001 sshd[6326]: Invalid user uzh from 193.112.54.66 port 16721
2020-02-09T23:30:08.0594321495-001 sshd[6326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.54.66
2020-02-09T23:30:08.0514611495-001 sshd[6326]: Invalid user uzh from 193.112.54.66 port 16721
2020-02-09T23:30:10.0539821495-001 sshd[6326]: Failed password for invalid user uzh from 193.112.54.66 port 16721 ssh2
2020-02-09T23:33:51.1265571495-001 sshd[6538]: Invalid user cue from 193.112.54.66 port 38239
2020-02-09T23:33:51.1298871495-001 sshd[6538]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.54.66
2020-02-09T23:33:51.1265571495-001 sshd[6538]: Invalid user cue from 193.112.54.66 port 38239
2020-02-09T23:33:52.7361211495-001 sshd[6538]: Failed password for invalid user cue from 193.112.54.66 port 38239 ssh2
2020-02-09T23:41:57.5120801495-001 sshd[6978]: Invalid user lst from 193.112.54.66 port 
...
2020-02-10 15:07:40
123.16.212.223 attackbotsspam
Attempt to attack host OS, exploiting network vulnerabilities, on 10-02-2020 04:55:09.
2020-02-10 15:19:21
119.200.186.168 attack
Automatic report - Banned IP Access
2020-02-10 15:21:19
103.79.141.145 attackbotsspam
Port scan: Attack repeated for 24 hours
2020-02-10 15:41:06
177.140.197.32 attackspambots
Feb 10 02:30:17 plusreed sshd[25757]: Invalid user rza from 177.140.197.32
...
2020-02-10 15:45:51
81.218.180.161 attackspambots
Honeypot attack, port: 81, PTR: bzq-218-180-161.red.bezeqint.net.
2020-02-10 15:21:45

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