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: Stockholm

Region: Stockholms

Country: Sweden

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 <<>> 51.21.7.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25250
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;51.21.7.138.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2024123101 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 01 03:10:29 CST 2025
;; MSG SIZE  rcvd: 104
Host info
138.7.21.51.in-addr.arpa domain name pointer ec2-51-21-7-138.eu-north-1.compute.amazonaws.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
138.7.21.51.in-addr.arpa	name = ec2-51-21-7-138.eu-north-1.compute.amazonaws.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
49.248.110.67 attack
Unauthorised access (Sep  8) SRC=49.248.110.67 LEN=40 PREC=0x20 TTL=238 ID=14194 TCP DPT=445 WINDOW=1024 SYN
2019-09-08 21:12:15
182.61.133.143 attack
SSH Brute-Force reported by Fail2Ban
2019-09-08 21:06:15
46.69.235.74 attackbots
22/tcp
[2019-09-08]1pkt
2019-09-08 21:31:02
164.68.120.248 attackbotsspam
Sep  8 14:55:15 core sshd[9679]: Invalid user rust from 164.68.120.248 port 36908
Sep  8 14:55:17 core sshd[9679]: Failed password for invalid user rust from 164.68.120.248 port 36908 ssh2
...
2019-09-08 21:22:49
141.98.9.205 attack
Sep  8 14:55:01 relay postfix/smtpd\[22600\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:55:14 relay postfix/smtpd\[20488\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:56:00 relay postfix/smtpd\[22600\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:56:09 relay postfix/smtpd\[22531\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:56:56 relay postfix/smtpd\[11928\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-09-08 21:02:28
62.210.172.23 attack
Sep  8 14:21:49 OPSO sshd\[32228\]: Invalid user a1b1c3 from 62.210.172.23 port 47822
Sep  8 14:21:49 OPSO sshd\[32228\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.210.172.23
Sep  8 14:21:51 OPSO sshd\[32228\]: Failed password for invalid user a1b1c3 from 62.210.172.23 port 47822 ssh2
Sep  8 14:25:30 OPSO sshd\[32632\]: Invalid user student1 from 62.210.172.23 port 34072
Sep  8 14:25:30 OPSO sshd\[32632\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.210.172.23
2019-09-08 20:49:20
181.129.64.138 attack
Chat Spam
2019-09-08 21:53:04
192.95.1.58 attack
SMB Server BruteForce Attack
2019-09-08 21:04:02
185.176.27.14 attackspambots
firewall-block, port(s): 33484/tcp
2019-09-08 21:19:17
106.12.205.48 attack
Sep  8 00:17:39 web9 sshd\[15687\]: Invalid user 123 from 106.12.205.48
Sep  8 00:17:39 web9 sshd\[15687\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.205.48
Sep  8 00:17:41 web9 sshd\[15687\]: Failed password for invalid user 123 from 106.12.205.48 port 57544 ssh2
Sep  8 00:22:37 web9 sshd\[16616\]: Invalid user jonatan from 106.12.205.48
Sep  8 00:22:37 web9 sshd\[16616\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.205.48
2019-09-08 21:50:19
182.68.24.21 attackbotsspam
TCP Port: 25 _    invalid blocked dnsbl-sorbs abuseat-org _  _  _ _ (759)
2019-09-08 20:49:46
112.85.42.188 attackspam
Sep  8 07:14:01 debian sshd[7533]: Unable to negotiate with 112.85.42.188 port 16163: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Sep  8 07:20:36 debian sshd[7949]: Unable to negotiate with 112.85.42.188 port 46573: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
...
2019-09-08 20:59:40
221.230.132.58 attackspambots
" "
2019-09-08 20:57:12
165.22.59.25 attack
Sep  8 03:35:14 aiointranet sshd\[22934\]: Invalid user 123 from 165.22.59.25
Sep  8 03:35:14 aiointranet sshd\[22934\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.59.25
Sep  8 03:35:15 aiointranet sshd\[22934\]: Failed password for invalid user 123 from 165.22.59.25 port 49026 ssh2
Sep  8 03:39:40 aiointranet sshd\[23371\]: Invalid user user3 from 165.22.59.25
Sep  8 03:39:40 aiointranet sshd\[23371\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.59.25
2019-09-08 21:44:39
51.91.249.178 attack
Sep  8 03:43:06 hiderm sshd\[22509\]: Invalid user uploadupload from 51.91.249.178
Sep  8 03:43:06 hiderm sshd\[22509\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.ip-51-91-249.eu
Sep  8 03:43:08 hiderm sshd\[22509\]: Failed password for invalid user uploadupload from 51.91.249.178 port 52308 ssh2
Sep  8 03:47:02 hiderm sshd\[22827\]: Invalid user 123 from 51.91.249.178
Sep  8 03:47:02 hiderm sshd\[22827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.ip-51-91-249.eu
2019-09-08 21:49:43

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