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: None

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 48.103.57.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31344
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;48.103.57.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021901 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 20 03:16:25 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.57.103.48.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.57.103.48.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.177.159.140 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 06-03-2020 04:50:08.
2020-03-06 19:33:25
62.30.231.54 attack
firewall-block, port(s): 9530/tcp
2020-03-06 19:38:36
45.151.254.218 attackspam
45.151.254.218 was recorded 12 times by 4 hosts attempting to connect to the following ports: 5060. Incident counter (4h, 24h, all-time): 12, 121, 824
2020-03-06 19:43:46
154.8.226.38 attackbotsspam
Mar  6 07:40:16 srv01 sshd[28468]: Invalid user linuxacademy from 154.8.226.38 port 34204
Mar  6 07:40:16 srv01 sshd[28468]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.8.226.38
Mar  6 07:40:16 srv01 sshd[28468]: Invalid user linuxacademy from 154.8.226.38 port 34204
Mar  6 07:40:17 srv01 sshd[28468]: Failed password for invalid user linuxacademy from 154.8.226.38 port 34204 ssh2
Mar  6 07:49:13 srv01 sshd[29028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.8.226.38  user=root
Mar  6 07:49:15 srv01 sshd[29028]: Failed password for root from 154.8.226.38 port 46994 ssh2
...
2020-03-06 19:10:22
61.220.251.205 attackbotsspam
TW_MAINT-TW-TWNIC_<177>1583470235 [1:2403402:55758] ET CINS Active Threat Intelligence Poor Reputation IP TCP group 52 [Classification: Misc Attack] [Priority: 2] {TCP} 61.220.251.205:44806
2020-03-06 19:10:54
113.173.80.13 attackbots
2020-03-0605:49:381jA4vZ-00031b-FA\<=verena@rs-solution.chH=\(localhost\)[110.77.178.7]:33395P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2278id=B6B305565D89A714C8CD843CC812200D@rs-solution.chT="Onlydecidedtogettoknowyou"fornickbond2000@gmail.comsjamesr12@gmail.com2020-03-0605:49:571jA4vs-00033Q-W1\<=verena@rs-solution.chH=ip-163-198-122-091.pools.atnet.ru\(localhost\)[91.122.198.163]:43089P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2260id=3E3B8DDED5012F9C40450CB4407E89CE@rs-solution.chT="Youhappentobesearchingforreallove\?"fornormanadams65@gmail.comrandyjunk4@gmail.com2020-03-0605:49:141jA4vB-0002zW-Du\<=verena@rs-solution.chH=\(localhost\)[113.161.81.98]:33616P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2317id=323781D2D90D23904C4900B84C9252E4@rs-solution.chT="Haveyoubeencurrentlytryingtofindlove\?"forsalimalhasni333@gmail.commbvannest@yahoo.com2020-03-0605:49
2020-03-06 19:26:24
185.156.73.60 attack
Mar  6 11:45:01 debian-2gb-nbg1-2 kernel: \[5750667.477948\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.156.73.60 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=13473 PROTO=TCP SPT=51547 DPT=13389 WINDOW=1024 RES=0x00 SYN URGP=0
2020-03-06 19:07:22
49.235.226.43 attackspam
5x Failed Password
2020-03-06 19:18:28
45.237.157.16 attackbotsspam
Automatic report - Port Scan Attack
2020-03-06 19:15:01
218.92.0.201 attackbotsspam
Mar  6 11:58:16 silence02 sshd[7374]: Failed password for root from 218.92.0.201 port 33447 ssh2
Mar  6 11:58:18 silence02 sshd[7374]: Failed password for root from 218.92.0.201 port 33447 ssh2
Mar  6 11:58:20 silence02 sshd[7374]: Failed password for root from 218.92.0.201 port 33447 ssh2
2020-03-06 19:12:58
85.209.3.154 attack
unauthorized connection attempt
2020-03-06 19:26:42
158.140.136.7 attack
port scan and connect, tcp 23 (telnet)
2020-03-06 19:05:53
218.90.111.143 attackbotsspam
port scan and connect, tcp 23 (telnet)
2020-03-06 19:13:29
45.79.226.22 attackbotsspam
Mar  6 10:24:17 lnxded64 sshd[30077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.79.226.22
Mar  6 10:24:18 lnxded64 sshd[30077]: Failed password for invalid user saned from 45.79.226.22 port 38380 ssh2
Mar  6 10:29:47 lnxded64 sshd[31281]: Failed password for root from 45.79.226.22 port 57358 ssh2
2020-03-06 19:09:24
162.246.107.56 attackbots
Mar  6 10:57:36 163-172-32-151 sshd[26002]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.246.107.56  user=root
Mar  6 10:57:37 163-172-32-151 sshd[26002]: Failed password for root from 162.246.107.56 port 54716 ssh2
...
2020-03-06 19:12:37

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