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 <<>> 137.134.0.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39205
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;137.134.0.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020401 1800 900 604800 86400

;; Query time: 40 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 05:52:00 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.0.134.137.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.0.134.137.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
59.110.216.153 attackspam
" "
2020-08-10 15:31:28
31.129.47.56 attackbots
Email rejected due to spam filtering
2020-08-10 15:26:22
91.231.14.42 attackbots
Aug 10 05:25:26 mail.srvfarm.net postfix/smtpd[1310407]: warning: unknown[91.231.14.42]: SASL PLAIN authentication failed: 
Aug 10 05:25:26 mail.srvfarm.net postfix/smtpd[1310407]: lost connection after AUTH from unknown[91.231.14.42]
Aug 10 05:33:31 mail.srvfarm.net postfix/smtpd[1313888]: warning: unknown[91.231.14.42]: SASL PLAIN authentication failed: 
Aug 10 05:33:31 mail.srvfarm.net postfix/smtpd[1313888]: lost connection after AUTH from unknown[91.231.14.42]
Aug 10 05:34:09 mail.srvfarm.net postfix/smtps/smtpd[1314324]: warning: unknown[91.231.14.42]: SASL PLAIN authentication failed:
2020-08-10 15:37:21
212.70.149.3 attackspambots
Aug 10 09:37:32 galaxy event: galaxy/lswi: smtp: elianora@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 10 09:37:51 galaxy event: galaxy/lswi: smtp: elianore@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 10 09:38:10 galaxy event: galaxy/lswi: smtp: elias@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 10 09:38:28 galaxy event: galaxy/lswi: smtp: elicia@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 10 09:38:47 galaxy event: galaxy/lswi: smtp: elida@uni-potsdam.de [212.70.149.3] authentication failure using internet password
...
2020-08-10 15:42:08
46.166.151.73 attackspam
[2020-08-10 03:08:51] NOTICE[1185][C-00000302] chan_sip.c: Call from '' (46.166.151.73:61556) to extension '011442037694290' rejected because extension not found in context 'public'.
[2020-08-10 03:08:51] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-10T03:08:51.533-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442037694290",SessionID="0x7f10c405a408",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.73/61556",ACLName="no_extension_match"
[2020-08-10 03:09:04] NOTICE[1185][C-00000303] chan_sip.c: Call from '' (46.166.151.73:53395) to extension '9011442037695397' rejected because extension not found in context 'public'.
[2020-08-10 03:09:04] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-10T03:09:04.984-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011442037695397",SessionID="0x7f10c402a0b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...
2020-08-10 15:29:32
168.196.149.13 attackbots
Attempted Brute Force (dovecot)
2020-08-10 15:15:41
177.190.88.46 attackbots
Aug 10 05:40:40 mail.srvfarm.net postfix/smtps/smtpd[1314324]: warning: 177-190-88-46.adsnet-telecom.net.br[177.190.88.46]: SASL PLAIN authentication failed: 
Aug 10 05:40:40 mail.srvfarm.net postfix/smtps/smtpd[1314324]: lost connection after AUTH from 177-190-88-46.adsnet-telecom.net.br[177.190.88.46]
Aug 10 05:41:08 mail.srvfarm.net postfix/smtpd[1313885]: warning: 177-190-88-46.adsnet-telecom.net.br[177.190.88.46]: SASL PLAIN authentication failed: 
Aug 10 05:41:08 mail.srvfarm.net postfix/smtpd[1313885]: lost connection after AUTH from 177-190-88-46.adsnet-telecom.net.br[177.190.88.46]
Aug 10 05:43:16 mail.srvfarm.net postfix/smtpd[1313878]: warning: 177-190-88-46.adsnet-telecom.net.br[177.190.88.46]: SASL PLAIN authentication failed:
2020-08-10 15:33:41
45.160.131.40 attackspambots
Aug 10 05:42:51 mail.srvfarm.net postfix/smtpd[1313880]: warning: unknown[45.160.131.40]: SASL PLAIN authentication failed: 
Aug 10 05:42:52 mail.srvfarm.net postfix/smtpd[1313880]: lost connection after AUTH from unknown[45.160.131.40]
Aug 10 05:44:13 mail.srvfarm.net postfix/smtpd[1313888]: warning: unknown[45.160.131.40]: SASL PLAIN authentication failed: 
Aug 10 05:44:13 mail.srvfarm.net postfix/smtpd[1313888]: lost connection after AUTH from unknown[45.160.131.40]
Aug 10 05:50:06 mail.srvfarm.net postfix/smtps/smtpd[1313845]: warning: unknown[45.160.131.40]: SASL PLAIN authentication failed:
2020-08-10 15:40:42
42.177.171.31 attackspam
Unauthorised access (Aug 10) SRC=42.177.171.31 LEN=40 TTL=46 ID=46291 TCP DPT=8080 WINDOW=13881 SYN 
Unauthorised access (Aug  9) SRC=42.177.171.31 LEN=40 TTL=46 ID=35604 TCP DPT=8080 WINDOW=537 SYN
2020-08-10 15:13:13
61.51.95.234 attackbotsspam
Bruteforce detected by fail2ban
2020-08-10 15:01:08
103.236.115.165 attackbotsspam
2020-08-10T06:59:52.805632shield sshd\[24644\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.236.115.165  user=root
2020-08-10T06:59:54.979373shield sshd\[24644\]: Failed password for root from 103.236.115.165 port 45950 ssh2
2020-08-10T07:04:20.135550shield sshd\[25006\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.236.115.165  user=root
2020-08-10T07:04:21.767373shield sshd\[25006\]: Failed password for root from 103.236.115.165 port 57112 ssh2
2020-08-10T07:08:51.452755shield sshd\[25373\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.236.115.165  user=root
2020-08-10 15:27:00
144.34.236.202 attack
SSH bruteforce
2020-08-10 15:17:14
218.92.0.148 attackspam
Aug 10 09:10:32 abendstille sshd\[27205\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.148  user=root
Aug 10 09:10:35 abendstille sshd\[27205\]: Failed password for root from 218.92.0.148 port 58930 ssh2
Aug 10 09:10:46 abendstille sshd\[27269\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.148  user=root
Aug 10 09:10:48 abendstille sshd\[27269\]: Failed password for root from 218.92.0.148 port 10922 ssh2
Aug 10 09:10:54 abendstille sshd\[27643\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.148  user=root
...
2020-08-10 15:11:32
78.17.166.244 attackspam
Aug 10 08:49:02 vpn01 sshd[12586]: Failed password for root from 78.17.166.244 port 55472 ssh2
...
2020-08-10 15:22:47
165.227.210.71 attackspambots
Aug 10 02:06:58 host sshd\[15105\]: Failed password for root from 165.227.210.71 port 58520 ssh2
Aug 10 02:14:23 host sshd\[16170\]: Failed password for root from 165.227.210.71 port 55844 ssh2
Aug 10 02:22:01 host sshd\[18120\]: Failed password for root from 165.227.210.71 port 48606 ssh2
...
2020-08-10 15:23:11

Recently Reported IPs

179.144.142.249 203.81.126.86 248.123.59.77 130.49.51.80
253.1.188.83 92.130.28.86 255.100.218.72 94.106.145.244
55.222.91.42 51.224.50.122 227.12.229.50 133.192.161.130
109.119.28.145 94.166.183.231 130.179.111.31 18.20.188.25
202.55.80.191 130.175.197.60 2.95.144.197 229.204.228.114