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 <<>> 138.54.159.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6354
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.54.159.242.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025030101 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Mar 02 02:30:54 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 242.159.54.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 242.159.54.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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2019-08-19 12:53:15
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SASL PLAIN auth failed: ruser=...
2019-08-19 13:02:39
186.227.181.236 attackspam
SASL PLAIN auth failed: ruser=...
2019-08-19 12:50:51
191.53.195.232 attackspambots
SASL PLAIN auth failed: ruser=...
2019-08-19 12:26:55
191.53.221.146 attack
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2019-08-19 12:19:42
177.91.117.129 attackbotsspam
Authentication failed
2019-08-19 12:58:45
177.66.75.68 attack
SASL PLAIN auth failed: ruser=...
2019-08-19 13:03:05
191.53.19.5 attackspam
SASL PLAIN auth failed: ruser=...
2019-08-19 12:33:00
189.91.6.17 attack
Aug 19 03:17:24 xeon postfix/smtpd[40402]: warning: unknown[189.91.6.17]: SASL PLAIN authentication failed: authentication failure
2019-08-19 12:37:17
177.8.154.78 attack
SASL PLAIN auth failed: ruser=...
2019-08-19 13:08:37
191.37.203.55 attack
SASL PLAIN auth failed: ruser=...
2019-08-19 12:35:19
187.87.50.39 attack
SASL PLAIN auth failed: ruser=...
2019-08-19 12:46:43
187.85.212.57 attack
SASL PLAIN auth failed: ruser=...
2019-08-19 12:48:37
177.8.155.210 attackbots
SASL PLAIN auth failed: ruser=...
2019-08-19 13:07:56
189.126.169.166 attackbotsspam
SASL PLAIN auth failed: ruser=...
2019-08-19 12:41:36

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