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 <<>> 50.166.21.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6658
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;50.166.21.100.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021102 1800 900 604800 86400

;; Query time: 233 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 12 08:57:52 CST 2025
;; MSG SIZE  rcvd: 106
Host info
100.21.166.50.in-addr.arpa domain name pointer c-50-166-21-100.unallocated.comcastbusiness.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
100.21.166.50.in-addr.arpa	name = c-50-166-21-100.unallocated.comcastbusiness.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
156.96.128.240 attack
[2020-08-03 15:36:29] NOTICE[1248][C-00003730] chan_sip.c: Call from '' (156.96.128.240:62142) to extension '00946192777644' rejected because extension not found in context 'public'.
[2020-08-03 15:36:29] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-03T15:36:29.760-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00946192777644",SessionID="0x7f27202623c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.128.240/62142",ACLName="no_extension_match"
[2020-08-03 15:42:36] NOTICE[1248][C-0000373c] chan_sip.c: Call from '' (156.96.128.240:49324) to extension '80046192777644' rejected because extension not found in context 'public'.
[2020-08-03 15:42:36] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-03T15:42:36.618-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="80046192777644",SessionID="0x7f272007c5b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/1
...
2020-08-04 03:43:37
192.95.6.110 attack
k+ssh-bruteforce
2020-08-04 03:32:13
49.204.228.185 attack
1596457176 - 08/03/2020 14:19:36 Host: 49.204.228.185/49.204.228.185 Port: 445 TCP Blocked
2020-08-04 03:34:14
52.149.219.130 attackspambots
detected by Fail2Ban
2020-08-04 03:29:39
159.65.230.103 attackspam
2086/tcp
[2020-08-03]1pkt
2020-08-04 03:50:26
60.19.64.4 attack
2020-08-03 dovecot_login authenticator failed for \(**REMOVED**\) \[60.19.64.4\]: 535 Incorrect authentication data \(set_id=nologin\)
2020-08-03 dovecot_login authenticator failed for \(**REMOVED**\) \[60.19.64.4\]: 535 Incorrect authentication data \(set_id=admin@**REMOVED**\)
2020-08-03 dovecot_login authenticator failed for \(**REMOVED**\) \[60.19.64.4\]: 535 Incorrect authentication data \(set_id=admin\)
2020-08-04 03:21:22
95.181.172.21 attack
2020-08-03T17:16:37.172656mail.capacul.net sshd[12863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.181.172.21  user=r.r
2020-08-03T17:16:38.659758mail.capacul.net sshd[12863]: Failed password for r.r from 95.181.172.21 port 51748 ssh2
2020-08-03T17:16:39.470694mail.capacul.net sshd[12867]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.181.172.21  user=r.r
2020-08-03T17:16:41.569464mail.capacul.net sshd[12867]: Failed password for r.r from 95.181.172.21 port 52728 ssh2
2020-08-03T17:16:42.678787mail.capacul.net sshd[12869]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.181.172.21  user=r.r

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=95.181.172.21
2020-08-04 03:13:54
72.42.170.60 attackspambots
Aug  3 20:08:00 db sshd[29984]: User root from 72.42.170.60 not allowed because none of user's groups are listed in AllowGroups
...
2020-08-04 03:38:26
113.137.36.187 attack
W 5701,/var/log/auth.log,-,-
2020-08-04 03:28:09
70.45.133.188 attackspambots
Bruteforce detected by fail2ban
2020-08-04 03:45:59
79.137.80.110 attackspambots
2020-08-03T14:18:09.935070+02:00  sshd[2756]: Failed password for root from 79.137.80.110 port 47692 ssh2
2020-08-04 03:49:10
159.65.111.89 attackspam
Aug  3 15:30:03 ns381471 sshd[6588]: Failed password for root from 159.65.111.89 port 49068 ssh2
2020-08-04 03:18:56
95.85.9.94 attackbotsspam
2020-08-03 20:41:59,439 fail2ban.actions: WARNING [ssh] Ban 95.85.9.94
2020-08-04 03:15:06
212.156.17.218 attack
Aug  3 09:16:41 ny01 sshd[12870]: Failed password for root from 212.156.17.218 port 53842 ssh2
Aug  3 09:21:09 ny01 sshd[13412]: Failed password for root from 212.156.17.218 port 38308 ssh2
2020-08-04 03:33:08
66.109.227.65 attack
Automatic report - Banned IP Access
2020-08-04 03:47:31

Recently Reported IPs

100.85.49.200 15.192.222.253 89.174.95.200 155.55.169.12
247.97.43.99 159.170.181.192 213.208.22.211 42.24.2.220
170.197.34.83 190.41.44.217 48.28.61.220 141.135.63.125
229.183.166.128 191.243.81.77 151.159.88.148 38.148.183.245
159.53.122.226 19.110.114.217 234.152.39.197 216.10.5.227