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: Germany

Internet Service Provider: Messe Frankfurt Venue GmbH

Hostname: unknown

Organization: unknown

Usage Type: Commercial

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 <<>> 193.109.4.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12541
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			183	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020090100 1800 900 604800 86400

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Sep 02 01:21:14 CST 2020
;; MSG SIZE  rcvd: 116
Host info
21.4.109.193.in-addr.arpa has no PTR record
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.4.109.193.in-addr.arpa	name = smtpin2.messefrankfurt.com.
21.4.109.193.in-addr.arpa	name = smtpin.messefrankfurt.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
92.53.65.52 attackbots
10/25/2019-17:20:57.520082 92.53.65.52 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-10-26 07:54:15
164.132.200.54 attack
ET SCAN Suspicious inbound to MSSQL port 1433 - port: 1433 proto: TCP cat: Potentially Bad Traffic
2019-10-26 07:49:00
89.248.168.202 attack
10/26/2019-00:50:48.441526 89.248.168.202 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-26 07:55:36
89.248.174.214 attackbotsspam
10/25/2019-18:18:39.551982 89.248.174.214 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 98
2019-10-26 07:30:23
185.156.73.27 attackbotsspam
firewall-block, port(s): 21972/tcp, 39097/tcp, 39099/tcp, 53035/tcp, 53036/tcp, 53037/tcp
2019-10-26 07:45:33
185.156.73.3 attackbotsspam
20119/tcp 20120/tcp 20121/tcp...
[2019-10-17/25]756pkt,213pt.(tcp)
2019-10-26 07:47:04
185.209.0.32 attackbots
10/26/2019-01:06:43.822879 185.209.0.32 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-26 08:04:47
80.82.78.100 attackspam
25.10.2019 23:33:38 Connection to port 1030 blocked by firewall
2019-10-26 07:58:31
51.91.212.81 attackbotsspam
10/26/2019-01:25:00.823513 51.91.212.81 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 53
2019-10-26 07:36:12
185.175.93.18 attackspam
firewall-block, port(s): 5673/tcp, 7803/tcp, 22012/tcp, 50935/tcp, 53504/tcp, 54199/tcp, 56127/tcp, 59368/tcp, 61820/tcp
2019-10-26 07:43:08
89.248.160.178 attackspam
Port scan: Attack repeated for 24 hours
2019-10-26 07:55:57
185.156.73.25 attackbotsspam
firewall-block, port(s): 26314/tcp, 26315/tcp, 26316/tcp, 51379/tcp, 51380/tcp, 51381/tcp, 57592/tcp
2019-10-26 07:46:00
81.22.45.80 attackbots
ET DROP Dshield Block Listed Source group 1 - port: 3389 proto: TCP cat: Misc Attack
2019-10-26 07:32:21
159.203.201.72 attack
ET DROP Dshield Block Listed Source group 1 - port: 264 proto: TCP cat: Misc Attack
2019-10-26 07:50:16
185.156.73.34 attack
50130/tcp 50128/tcp 50129/tcp...
[2019-10-17/25]765pkt,213pt.(tcp)
2019-10-26 07:44:35

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