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 <<>> 104.21.56.57
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31173
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.56.57.			IN	A

;; AUTHORITY SECTION:
.			535	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:38:50 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 57.56.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 57.56.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
187.178.156.43 attack
Port probing on unauthorized port 23
2020-06-20 05:39:10
106.75.13.173 attack
3388/tcp 3541/tcp 3299/tcp...
[2020-04-19/06-19]78pkt,15pt.(tcp)
2020-06-20 05:38:37
62.173.139.187 attackspam
[2020-06-19 18:08:56] NOTICE[1273][C-000030c7] chan_sip.c: Call from '' (62.173.139.187:54826) to extension '01148221530432' rejected because extension not found in context 'public'.
[2020-06-19 18:08:56] SECURITY[1288] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-19T18:08:56.144-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01148221530432",SessionID="0x7f31c01eadb8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.173.139.187/54826",ACLName="no_extension_match"
[2020-06-19 18:09:18] NOTICE[1273][C-000030c9] chan_sip.c: Call from '' (62.173.139.187:62377) to extension '901148221530432' rejected because extension not found in context 'public'.
[2020-06-19 18:09:18] SECURITY[1288] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-19T18:09:18.317-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="901148221530432",SessionID="0x7f31c018ea98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...
2020-06-20 06:10:19
185.94.111.1 attackbots
recursive dns scanner
2020-06-20 06:08:06
106.12.73.204 attackspambots
Jun 19 22:21:26 roki-contabo sshd\[6216\]: Invalid user ut99server from 106.12.73.204
Jun 19 22:21:26 roki-contabo sshd\[6216\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.73.204
Jun 19 22:21:28 roki-contabo sshd\[6216\]: Failed password for invalid user ut99server from 106.12.73.204 port 38280 ssh2
Jun 19 22:38:46 roki-contabo sshd\[6522\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.73.204  user=root
Jun 19 22:38:48 roki-contabo sshd\[6522\]: Failed password for root from 106.12.73.204 port 53798 ssh2
...
2020-06-20 06:05:17
222.186.180.147 attack
Jun 19 23:41:22 amit sshd\[17656\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.147  user=root
Jun 19 23:41:24 amit sshd\[17656\]: Failed password for root from 222.186.180.147 port 9132 ssh2
Jun 19 23:41:42 amit sshd\[17659\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.147  user=root
...
2020-06-20 05:57:26
58.132.209.210 attack
8822/tcp 60006/tcp 60004/tcp...
[2020-05-31/06-19]32pkt,16pt.(tcp)
2020-06-20 06:04:01
222.186.173.238 attack
Automatic report BANNED IP
2020-06-20 05:59:42
188.32.222.169 attack
Jun 19 22:39:07 v22019038103785759 sshd\[19427\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.32.222.169  user=root
Jun 19 22:39:10 v22019038103785759 sshd\[19427\]: Failed password for root from 188.32.222.169 port 46387 ssh2
Jun 19 22:39:12 v22019038103785759 sshd\[19427\]: Failed password for root from 188.32.222.169 port 46387 ssh2
Jun 19 22:39:14 v22019038103785759 sshd\[19427\]: Failed password for root from 188.32.222.169 port 46387 ssh2
Jun 19 22:39:16 v22019038103785759 sshd\[19427\]: Failed password for root from 188.32.222.169 port 46387 ssh2
...
2020-06-20 05:33:40
144.217.12.194 attackbotsspam
Invalid user sebastian from 144.217.12.194 port 38472
2020-06-20 06:01:27
194.26.29.32 attackspambots
Jun 19 22:38:51 debian-2gb-nbg1-2 kernel: \[14857818.826726\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=194.26.29.32 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=63329 PROTO=TCP SPT=51803 DPT=6231 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-20 06:00:40
170.130.187.38 attackspambots
SmallBizIT.US 1 packets to tcp(23)
2020-06-20 06:01:07
46.38.150.191 attackbots
2020-06-19 21:58:40 auth_plain authenticator failed for (User) [46.38.150.191]: 535 Incorrect authentication data (set_id=leanna@csmailer.org)
2020-06-19 21:59:23 auth_plain authenticator failed for (User) [46.38.150.191]: 535 Incorrect authentication data (set_id=www-1@csmailer.org)
2020-06-19 22:00:07 auth_plain authenticator failed for (User) [46.38.150.191]: 535 Incorrect authentication data (set_id=webapi@csmailer.org)
2020-06-19 22:00:50 auth_plain authenticator failed for (User) [46.38.150.191]: 535 Incorrect authentication data (set_id=secure.runescape@csmailer.org)
2020-06-19 22:01:34 auth_plain authenticator failed for (User) [46.38.150.191]: 535 Incorrect authentication data (set_id=portable@csmailer.org)
...
2020-06-20 06:04:45
218.92.0.220 attackbots
Jun 19 23:51:30 piServer sshd[30232]: Failed password for root from 218.92.0.220 port 23836 ssh2
Jun 19 23:51:34 piServer sshd[30232]: Failed password for root from 218.92.0.220 port 23836 ssh2
Jun 19 23:51:37 piServer sshd[30232]: Failed password for root from 218.92.0.220 port 23836 ssh2
...
2020-06-20 06:04:32
189.134.8.37 attackbots
Jun 19 22:27:55 server sshd[11954]: Failed password for invalid user test from 189.134.8.37 port 44132 ssh2
Jun 19 22:35:30 server sshd[20371]: Failed password for invalid user test from 189.134.8.37 port 55546 ssh2
Jun 19 22:39:16 server sshd[24467]: Failed password for invalid user test from 189.134.8.37 port 47044 ssh2
2020-06-20 05:33:28

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