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: Austria

Internet Service Provider: A1 Telekom Austria AG

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
2019-08-23 16:58:50 unexpected disconnection while reading SMTP command from 91-115-100-99.adsl.highway.telekom.at [91.115.100.99]:49014 I=[10.100.18.20]:25 (error: Connection reset by peer)
2019-08-23 17:23:24 unexpected disconnection while reading SMTP command from 91-115-100-99.adsl.highway.telekom.at [91.115.100.99]:2577 I=[10.100.18.20]:25 (error: Connection reset by peer)
2019-08-23 17:24:33 unexpected disconnection while reading SMTP command from 91-115-100-99.adsl.highway.telekom.at [91.115.100.99]:22872 I=[10.100.18.20]:25 (error: Connection reset by peer)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=91.115.100.99
2019-08-24 06:24:42
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 91.115.100.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34969
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019082301 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sat Aug 24 06:24:37 CST 2019
;; MSG SIZE  rcvd: 117
Host info
99.100.115.91.in-addr.arpa domain name pointer 91-115-100-99.adsl.highway.telekom.at.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
99.100.115.91.in-addr.arpa	name = 91-115-100-99.adsl.highway.telekom.at.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
198.108.66.210 attackspambots
firewall-block, port(s): 25/tcp
2020-04-05 09:36:29
54.37.149.233 attackspambots
Apr  5 00:46:45 xeon sshd[28541]: Failed password for root from 54.37.149.233 port 54638 ssh2
2020-04-05 09:43:57
183.82.108.241 attackbots
SSH-BruteForce
2020-04-05 09:55:08
118.42.70.96 attackbotsspam
2020-04-05T02:11:51.218436vps751288.ovh.net sshd\[2529\]: Invalid user student from 118.42.70.96 port 58514
2020-04-05T02:11:51.225939vps751288.ovh.net sshd\[2529\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.42.70.96
2020-04-05T02:11:52.920685vps751288.ovh.net sshd\[2529\]: Failed password for invalid user student from 118.42.70.96 port 58514 ssh2
2020-04-05T02:13:52.953656vps751288.ovh.net sshd\[2549\]: Invalid user john from 118.42.70.96 port 51306
2020-04-05T02:13:52.962983vps751288.ovh.net sshd\[2549\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.42.70.96
2020-04-05 10:03:42
219.239.47.66 attackbots
Apr  5 00:42:18 xeon sshd[27965]: Failed password for root from 219.239.47.66 port 60724 ssh2
2020-04-05 09:45:29
129.204.46.170 attackbotsspam
$f2bV_matches
2020-04-05 09:46:39
34.92.40.205 attackspam
$f2bV_matches
2020-04-05 09:48:54
133.130.89.210 attack
Apr  5 00:43:31 xeon sshd[28040]: Failed password for root from 133.130.89.210 port 47568 ssh2
2020-04-05 09:46:13
195.154.170.245 attackspam
Brute force attack stopped by firewall
2020-04-05 09:59:20
213.32.23.54 attackspambots
Apr  5 00:46:30 ns381471 sshd[14273]: Failed password for root from 213.32.23.54 port 45442 ssh2
2020-04-05 09:31:47
103.45.102.212 attack
Apr  5 01:18:11 legacy sshd[18032]: Failed password for root from 103.45.102.212 port 56626 ssh2
Apr  5 01:20:43 legacy sshd[18074]: Failed password for root from 103.45.102.212 port 39200 ssh2
...
2020-04-05 09:51:05
190.39.228.162 attackbotsspam
Attempt to attack host OS, exploiting network vulnerabilities, on 04-04-2020 23:50:16.
2020-04-05 09:22:45
159.65.144.64 attackbots
Apr  5 03:08:23 vps647732 sshd[11100]: Failed password for root from 159.65.144.64 port 40398 ssh2
...
2020-04-05 09:24:33
60.171.208.199 attackbots
Apr  5 03:00:13 www4 sshd\[51785\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.171.208.199  user=root
Apr  5 03:00:15 www4 sshd\[51785\]: Failed password for root from 60.171.208.199 port 53645 ssh2
Apr  5 03:04:06 www4 sshd\[52206\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.171.208.199  user=root
...
2020-04-05 09:29:17
14.98.170.202 attackspam
Unauthorized access or intrusion attempt detected from Thor banned IP
2020-04-05 09:38:36

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