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:
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