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: United States of America (the)

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 155.157.199.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14726
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;155.157.199.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 23:09:59 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 21.199.157.155.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.199.157.155.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
74.126.248.170 attack
Automatic report - Port Scan Attack
2019-08-03 03:15:30
60.248.154.247 attackbotsspam
Aug  2 21:56:22 www sshd\[60599\]: Invalid user varnish from 60.248.154.247
Aug  2 21:56:22 www sshd\[60599\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.248.154.247
Aug  2 21:56:24 www sshd\[60599\]: Failed password for invalid user varnish from 60.248.154.247 port 40338 ssh2
...
2019-08-03 02:56:29
218.215.188.167 attackbots
Aug  2 11:24:28 MK-Soft-VM6 sshd\[16872\]: Invalid user 123 from 218.215.188.167 port 48776
Aug  2 11:24:28 MK-Soft-VM6 sshd\[16872\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.215.188.167
Aug  2 11:24:30 MK-Soft-VM6 sshd\[16872\]: Failed password for invalid user 123 from 218.215.188.167 port 48776 ssh2
...
2019-08-03 03:05:39
139.208.28.219 attack
Aug  2 19:33:13   DDOS Attack: SRC=139.208.28.219 DST=[Masked] LEN=40 TOS=0x00 PREC=0x00 TTL=48  DF PROTO=TCP SPT=43319 DPT=80 WINDOW=0 RES=0x00 RST URGP=0
2019-08-03 03:40:48
104.248.187.179 attackspambots
leo_www
2019-08-03 03:37:20
77.247.110.248 attackspam
" "
2019-08-03 02:55:01
151.73.154.157 attackbots
Automatic report - Port Scan Attack
2019-08-03 03:12:26
187.224.247.81 attackspam
Unauthorized connection attempt from IP address 187.224.247.81 on Port 445(SMB)
2019-08-03 03:07:25
149.202.214.11 attackbotsspam
Aug  2 22:24:39 microserver sshd[60569]: Invalid user ajith from 149.202.214.11 port 37460
Aug  2 22:24:39 microserver sshd[60569]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.214.11
Aug  2 22:24:42 microserver sshd[60569]: Failed password for invalid user ajith from 149.202.214.11 port 37460 ssh2
Aug  2 22:29:43 microserver sshd[61608]: Invalid user wv from 149.202.214.11 port 43676
Aug  2 22:29:43 microserver sshd[61608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.214.11
Aug  2 22:41:42 microserver sshd[63856]: Invalid user ubuntu from 149.202.214.11 port 56816
Aug  2 22:41:42 microserver sshd[63856]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.214.11
Aug  2 22:41:45 microserver sshd[63856]: Failed password for invalid user ubuntu from 149.202.214.11 port 56816 ssh2
Aug  2 22:45:46 microserver sshd[64651]: Invalid user jair from 149.202.214.11 port 5203
2019-08-03 03:13:25
115.214.254.120 attackbots
Aug  2 10:35:18 localhost postfix/smtpd\[3076\]: warning: unknown\[115.214.254.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  2 10:35:26 localhost postfix/smtpd\[2897\]: warning: unknown\[115.214.254.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  2 10:35:41 localhost postfix/smtpd\[3076\]: warning: unknown\[115.214.254.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  2 10:36:21 localhost postfix/smtpd\[3076\]: warning: unknown\[115.214.254.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug  2 10:36:32 localhost postfix/smtpd\[2897\]: warning: unknown\[115.214.254.120\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-08-03 03:25:21
123.24.146.233 attackbotsspam
Unauthorized connection attempt from IP address 123.24.146.233 on Port 445(SMB)
2019-08-03 02:55:55
84.201.134.56 attack
Aug  2 22:31:28 www sshd\[61410\]: Invalid user webapps from 84.201.134.56
Aug  2 22:31:28 www sshd\[61410\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.201.134.56
Aug  2 22:31:30 www sshd\[61410\]: Failed password for invalid user webapps from 84.201.134.56 port 33480 ssh2
...
2019-08-03 03:46:20
183.131.82.99 attack
2019-08-03T02:32:59.514947enmeeting.mahidol.ac.th sshd\[12174\]: User root from 183.131.82.99 not allowed because not listed in AllowUsers
2019-08-03T02:32:59.941304enmeeting.mahidol.ac.th sshd\[12174\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.131.82.99  user=root
2019-08-03T02:33:02.020254enmeeting.mahidol.ac.th sshd\[12174\]: Failed password for invalid user root from 183.131.82.99 port 46812 ssh2
...
2019-08-03 03:39:21
49.151.3.4 attackbotsspam
Unauthorized connection attempt from IP address 49.151.3.4 on Port 445(SMB)
2019-08-03 02:53:52
119.75.24.68 attackbotsspam
Tried sshing with brute force.
2019-08-03 03:44:19

Recently Reported IPs

33.172.60.107 89.119.162.4 134.87.234.59 243.185.97.230
27.249.83.25 144.22.41.179 220.166.157.28 9.104.69.70
120.248.2.214 239.39.80.184 122.177.245.24 3.237.35.6
152.117.206.105 239.86.252.4 9.224.58.61 175.21.162.10
4.225.201.70 20.34.112.10 121.101.144.123 147.57.60.183