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

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 <<>> 104.21.81.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24759
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.253.			IN	A

;; AUTHORITY SECTION:
.			270	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:50 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 253.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 253.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
162.243.130.100 attack
scans once in preceeding hours on the ports (in chronological order) 47808 resulting in total of 50 scans from 162.243.0.0/16 block.
2020-04-25 23:38:54
112.85.42.188 attackspambots
04/25/2020-11:42:39.447421 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan
2020-04-25 23:44:16
167.172.152.143 attackspam
04/25/2020-08:53:34.739706 167.172.152.143 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-04-25 23:25:10
64.227.23.68 attackspambots
scans once in preceeding hours on the ports (in chronological order) 23965 resulting in total of 9 scans from 64.227.0.0/17 block.
2020-04-25 23:55:32
64.225.114.141 attackspam
Fail2Ban Ban Triggered
2020-04-25 23:58:58
162.243.133.185 attackbots
scans once in preceeding hours on the ports (in chronological order) 1911 resulting in total of 50 scans from 162.243.0.0/16 block.
2020-04-25 23:30:20
162.243.131.42 attack
scans 2 times in preceeding hours on the ports (in chronological order) 7473 5222 resulting in total of 50 scans from 162.243.0.0/16 block.
2020-04-25 23:36:24
162.243.128.220 attack
scans once in preceeding hours on the ports (in chronological order) 44818 resulting in total of 50 scans from 162.243.0.0/16 block.
2020-04-25 23:43:33
64.225.114.152 attack
1034/tcp 1999/tcp
[2020-04-25]2pkt
2020-04-25 23:57:31
68.183.153.161 attack
firewall-block, port(s): 9803/tcp
2020-04-25 23:51:13
181.20.19.74 attackspambots
Email rejected due to spam filtering
2020-04-26 00:05:55
64.225.114.120 attackspambots
Port probing on unauthorized port 1417
2020-04-25 23:59:48
167.172.172.70 attack
scans once in preceeding hours on the ports (in chronological order) 5076 resulting in total of 13 scans from 167.172.0.0/16 block.
2020-04-25 23:24:04
167.172.61.7 attack
scans once in preceeding hours on the ports (in chronological order) 11142 resulting in total of 13 scans from 167.172.0.0/16 block.
2020-04-25 23:27:23
104.248.5.69 attackbotsspam
scans once in preceeding hours on the ports (in chronological order) 12751 resulting in total of 13 scans from 104.248.0.0/16 block.
2020-04-25 23:48:51

Recently Reported IPs

104.21.81.254 104.21.81.29 104.21.81.28 104.21.81.33
104.21.81.32 104.21.81.30 104.21.81.37 104.21.81.35
104.21.81.40 104.21.81.4 104.21.81.44 104.21.81.39
104.21.81.41 104.21.81.46 104.21.81.45 104.21.81.48
104.21.81.49 104.21.81.5 104.21.81.52 104.21.81.50