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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 208.21.55.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30179
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;208.21.55.138.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012600 1800 900 604800 86400

;; Query time: 32 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 26 15:16:25 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 138.55.21.208.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.55.21.208.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
59.13.150.228 attackspambots
*Port Scan* detected from 59.13.150.228 (KR/South Korea/-). 4 hits in the last 235 seconds
2019-10-10 23:30:39
40.122.29.117 attackbotsspam
Oct 10 17:04:49 cvbnet sshd[28611]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.122.29.117 
Oct 10 17:04:52 cvbnet sshd[28611]: Failed password for invalid user Admin#321 from 40.122.29.117 port 1280 ssh2
...
2019-10-10 23:06:39
159.203.193.246 attackbotsspam
port scan and connect, tcp 8008 (http)
2019-10-10 23:28:01
186.226.179.82 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-10 23:01:59
88.27.253.44 attackspam
Oct 10 17:12:21 icinga sshd[3781]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.27.253.44
Oct 10 17:12:23 icinga sshd[3781]: Failed password for invalid user Admin@60 from 88.27.253.44 port 53525 ssh2
...
2019-10-10 23:24:08
125.166.119.192 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 10-10-2019 12:55:17.
2019-10-10 23:22:58
179.70.90.31 attack
179.70.90.31 - webateprotools \[10/Oct/2019:04:37:48 -0700\] "GET /rss/catalog/notifystock/ HTTP/1.1" 401 25179.70.90.31 - nick \[10/Oct/2019:04:53:56 -0700\] "GET /rss/catalog/notifystock/ HTTP/1.1" 401 25179.70.90.31 - ateprotoolsADMIN \[10/Oct/2019:04:56:04 -0700\] "GET /rss/catalog/notifystock/ HTTP/1.1" 401 25
...
2019-10-10 22:53:57
173.254.226.234 attackspambots
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-10-10 23:14:34
124.30.44.214 attackbotsspam
(sshd) Failed SSH login from 124.30.44.214 (IN/India/firewallgoa.unichemlabs.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 10 07:39:51 localhost sshd[11369]: Failed password for root from 124.30.44.214 port 6434 ssh2
Oct 10 07:57:25 localhost sshd[12618]: Failed password for root from 124.30.44.214 port 59646 ssh2
Oct 10 08:02:19 localhost sshd[13040]: Failed password for root from 124.30.44.214 port 65095 ssh2
Oct 10 08:07:18 localhost sshd[13379]: Failed password for root from 124.30.44.214 port 10577 ssh2
Oct 10 08:12:14 localhost sshd[13693]: Failed password for root from 124.30.44.214 port 56589 ssh2
2019-10-10 23:31:42
62.215.6.11 attack
Oct 10 16:02:45 v22019058497090703 sshd[17379]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.215.6.11
Oct 10 16:02:47 v22019058497090703 sshd[17379]: Failed password for invalid user 2q3w4e5r6t from 62.215.6.11 port 52255 ssh2
Oct 10 16:07:32 v22019058497090703 sshd[17737]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.215.6.11
...
2019-10-10 23:05:50
120.63.30.156 attack
Unauthorised access (Oct 10) SRC=120.63.30.156 LEN=40 PREC=0x20 TTL=50 ID=21961 TCP DPT=23 WINDOW=40087 SYN
2019-10-10 22:56:38
106.12.198.232 attackspambots
Oct 10 10:43:41 xtremcommunity sshd\[376835\]: Invalid user 123Liberty from 106.12.198.232 port 57642
Oct 10 10:43:41 xtremcommunity sshd\[376835\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.198.232
Oct 10 10:43:43 xtremcommunity sshd\[376835\]: Failed password for invalid user 123Liberty from 106.12.198.232 port 57642 ssh2
Oct 10 10:49:20 xtremcommunity sshd\[376962\]: Invalid user Amateur_123 from 106.12.198.232 port 34704
Oct 10 10:49:20 xtremcommunity sshd\[376962\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.198.232
...
2019-10-10 22:53:02
222.186.175.161 attackspambots
10/10/2019-10:57:29.881410 222.186.175.161 Protocol: 6 ET SCAN Potential SSH Scan
2019-10-10 22:58:55
104.200.110.191 attackspam
Oct 10 16:16:19 [munged] sshd[903]: Failed password for root from 104.200.110.191 port 54652 ssh2
2019-10-10 23:03:39
62.149.7.172 attackspambots
2019-10-10T12:55:55.066036+01:00 suse sshd[29308]: Invalid user pi from 62.149.7.172 port 62943
2019-10-10T12:55:57.324450+01:00 suse sshd[29308]: error: PAM: User not known to the underlying authentication module for illegal user pi from 62.149.7.172
2019-10-10T12:55:55.066036+01:00 suse sshd[29308]: Invalid user pi from 62.149.7.172 port 62943
2019-10-10T12:55:57.324450+01:00 suse sshd[29308]: error: PAM: User not known to the underlying authentication module for illegal user pi from 62.149.7.172
2019-10-10T12:55:55.066036+01:00 suse sshd[29308]: Invalid user pi from 62.149.7.172 port 62943
2019-10-10T12:55:57.324450+01:00 suse sshd[29308]: error: PAM: User not known to the underlying authentication module for illegal user pi from 62.149.7.172
2019-10-10T12:55:57.328521+01:00 suse sshd[29308]: Failed keyboard-interactive/pam for invalid user pi from 62.149.7.172 port 62943 ssh2
...
2019-10-10 22:58:39

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