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: China

Internet Service Provider: Unicom Liaoning Province Network

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackspam
1587730166 - 04/24/2020 14:09:26 Host: 42.55.20.21/42.55.20.21 Port: 23 TCP Blocked
2020-04-24 21:20:49
Comments on same subnet:
IP Type Details Datetime
42.55.207.204 attackspambots
Unauthorised access (Jul 23) SRC=42.55.207.204 LEN=40 TTL=46 ID=52217 TCP DPT=23 WINDOW=64420 SYN 
Unauthorised access (Jul 23) SRC=42.55.207.204 LEN=40 TTL=46 ID=49837 TCP DPT=8080 WINDOW=33756 SYN 
Unauthorised access (Jul 22) SRC=42.55.207.204 LEN=40 TTL=46 ID=38346 TCP DPT=8080 WINDOW=53380 SYN 
Unauthorised access (Jul 22) SRC=42.55.207.204 LEN=40 TTL=46 ID=26975 TCP DPT=8080 WINDOW=33756 SYN 
Unauthorised access (Jul 22) SRC=42.55.207.204 LEN=40 TTL=46 ID=46163 TCP DPT=8080 WINDOW=53380 SYN 
Unauthorised access (Jul 21) SRC=42.55.207.204 LEN=40 TTL=46 ID=40291 TCP DPT=8080 WINDOW=53380 SYN 
Unauthorised access (Jul 21) SRC=42.55.207.204 LEN=40 TTL=46 ID=2856 TCP DPT=8080 WINDOW=53380 SYN
2020-07-23 19:58:42
42.55.204.192 attackbots
52869/tcp
[2019-07-30]1pkt
2019-07-31 00:04:24
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.55.20.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29741
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			265	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020042400 1800 900 604800 86400

;; Query time: 88 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Apr 24 21:20:32 CST 2020
;; MSG SIZE  rcvd: 115
Host info
Host 21.20.55.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.20.55.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
178.182.254.51 attackspambots
Aug 13 18:18:15 srv-4 sshd\[10244\]: Invalid user ts1 from 178.182.254.51
Aug 13 18:18:15 srv-4 sshd\[10244\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.182.254.51
Aug 13 18:18:16 srv-4 sshd\[10244\]: Failed password for invalid user ts1 from 178.182.254.51 port 33602 ssh2
...
2019-08-14 00:02:03
212.156.17.218 attackbotsspam
Aug 13 16:21:38 XXX sshd[494]: Invalid user apples from 212.156.17.218 port 58624
2019-08-14 00:18:32
167.71.134.253 attackbotsspam
[portscan] tcp/23 [TELNET]
[scan/connect: 21 time(s)]
*(RWIN=44516,41098,61118,21334)(08131040)
2019-08-13 23:11:25
221.226.90.126 attackspam
Aug 13 13:53:59 microserver sshd[5394]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.226.90.126  user=root
Aug 13 13:54:01 microserver sshd[5394]: Failed password for root from 221.226.90.126 port 43536 ssh2
Aug 13 13:59:15 microserver sshd[6121]: Invalid user waterboy from 221.226.90.126 port 57316
Aug 13 13:59:15 microserver sshd[6121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.226.90.126
Aug 13 13:59:17 microserver sshd[6121]: Failed password for invalid user waterboy from 221.226.90.126 port 57316 ssh2
Aug 13 14:09:52 microserver sshd[7607]: Invalid user ben from 221.226.90.126 port 56648
Aug 13 14:09:52 microserver sshd[7607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.226.90.126
Aug 13 14:09:54 microserver sshd[7607]: Failed password for invalid user ben from 221.226.90.126 port 56648 ssh2
Aug 13 14:15:24 microserver sshd[8458]: Invalid user test1 from 221.226
2019-08-13 23:17:10
45.236.188.4 attackspam
Aug 13 12:16:17 [host] sshd[27864]: Invalid user mary from 45.236.188.4
Aug 13 12:16:17 [host] sshd[27864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.236.188.4
Aug 13 12:16:19 [host] sshd[27864]: Failed password for invalid user mary from 45.236.188.4 port 54528 ssh2
2019-08-14 00:04:10
192.241.220.228 attackspam
Automatic report - Banned IP Access
2019-08-14 00:01:30
151.80.209.231 attackspam
Unauthorised access (Aug 13) SRC=151.80.209.231 LEN=40 TTL=54 ID=48822 TCP DPT=23 WINDOW=709 SYN
2019-08-13 23:28:58
119.29.247.225 attackspambots
SSH authentication failure x 6 reported by Fail2Ban
...
2019-08-13 23:09:15
194.88.239.92 attackbotsspam
$f2bV_matches
2019-08-13 23:39:41
196.32.102.166 attackspambots
port scan and connect, tcp 8080 (http-proxy)
2019-08-13 23:08:13
182.61.33.47 attackbots
2019-08-13T11:11:09.763862abusebot-6.cloudsearch.cf sshd\[16604\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.33.47  user=root
2019-08-14 00:32:29
148.70.26.85 attack
$f2bV_matches
2019-08-14 00:23:46
37.49.227.202 attack
Port scan attempt detected by AWS-CCS, CTS, India
2019-08-13 23:28:15
218.92.0.194 attackbots
2019-08-13T16:02:21.737412abusebot-7.cloudsearch.cf sshd\[2667\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.194  user=root
2019-08-14 00:09:26
54.36.126.81 attackspambots
Aug 13 15:24:24 XXX sshd[61958]: Invalid user trash from 54.36.126.81 port 18432
2019-08-14 00:30:30

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