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

Internet Service Provider: Microsoft Corporation

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
lfd: (smtpauth) Failed SMTP AUTH login from 104.42.73.131 (US/United States/-): 5 in the last 3600 secs - Tue May 29 22:56:23 2018
2020-04-30 20:04:00
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.42.73.131
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45144
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;104.42.73.131.			IN	A

;; AUTHORITY SECTION:
.			377	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020043000 1800 900 604800 86400

;; Query time: 108 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 30 20:03:56 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 131.73.42.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 131.73.42.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.64.86.92 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-09-25 23:36:59
81.129.137.222 attackbotsspam
23/tcp 9000/tcp
[2019-08-11/09-25]2pkt
2019-09-25 23:25:32
202.137.142.102 attack
Sep 25 14:20:52 vpn01 sshd[27287]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.137.142.102
Sep 25 14:20:54 vpn01 sshd[27287]: Failed password for invalid user admin from 202.137.142.102 port 35514 ssh2
2019-09-25 23:15:38
180.97.238.247 attack
81/tcp 81/tcp 81/tcp...
[2019-07-29/09-25]5pkt,1pt.(tcp)
2019-09-25 23:14:36
200.121.120.53 attack
firewall-block, port(s): 445/tcp
2019-09-25 23:34:40
185.153.198.197 attackbots
19/9/25@08:51:30: FAIL: Alarm-Intrusion address from=185.153.198.197
...
2019-09-25 23:51:58
61.85.40.112 attackspambots
2019-09-25T15:49:19.819431tmaserv sshd\[20494\]: Invalid user casandra from 61.85.40.112 port 53272
2019-09-25T15:49:19.825471tmaserv sshd\[20494\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.85.40.112
2019-09-25T15:49:22.538831tmaserv sshd\[20494\]: Failed password for invalid user casandra from 61.85.40.112 port 53272 ssh2
2019-09-25T16:17:37.700789tmaserv sshd\[22008\]: Invalid user razor from 61.85.40.112 port 41936
2019-09-25T16:17:37.706818tmaserv sshd\[22008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.85.40.112
2019-09-25T16:17:39.189838tmaserv sshd\[22008\]: Failed password for invalid user razor from 61.85.40.112 port 41936 ssh2
...
2019-09-25 23:29:35
104.168.247.174 attackbots
SSH/22 MH Probe, BF, Hack -
2019-09-25 23:14:02
167.99.248.163 attackspambots
Sep 25 15:38:59 vps691689 sshd[28380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.248.163
Sep 25 15:39:00 vps691689 sshd[28380]: Failed password for invalid user charlotte123 from 167.99.248.163 port 45206 ssh2
Sep 25 15:43:08 vps691689 sshd[28485]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.248.163
...
2019-09-25 23:51:07
181.170.71.133 attack
23/tcp 5555/tcp 23/tcp
[2019-09-01/25]3pkt
2019-09-25 23:33:41
14.225.18.134 attackspambots
WordPress login Brute force / Web App Attack on client site.
2019-09-25 23:43:49
148.70.3.199 attackbots
Automatic report - Banned IP Access
2019-09-25 23:46:23
159.203.201.254 attackspam
" "
2019-09-25 23:42:58
189.213.105.100 attack
Automatic report - Port Scan Attack
2019-09-25 23:40:45
183.99.86.171 attackspambots
23/tcp 60001/tcp...
[2019-08-07/09-25]7pkt,2pt.(tcp)
2019-09-25 23:37:27

Recently Reported IPs

49.69.61.152 45.173.101.206 156.252.236.198 5.188.9.15
195.114.7.84 123.201.15.227 212.98.138.135 49.72.210.70
185.26.34.20 103.70.131.39 122.7.240.188 5.188.9.21
5.188.9.19 222.247.164.100 185.228.80.32 177.137.58.82
89.210.29.173 222.218.17.199 172.97.4.189 211.253.133.50