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: Hostwinds LLC.

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspam
Nov 24 07:27:31 mxgate1 postfix/postscreen[13998]: CONNECT from [104.168.245.253]:42080 to [176.31.12.44]:25
Nov 24 07:27:31 mxgate1 postfix/dnsblog[14509]: addr 104.168.245.253 listed by domain b.barracudacentral.org as 127.0.0.2
Nov 24 07:27:37 mxgate1 postfix/postscreen[13998]: PASS NEW [104.168.245.253]:42080
Nov 24 07:27:37 mxgate1 postfix/smtpd[14691]: connect from slot0.macrosltd.com[104.168.245.253]
Nov 24 07:27:39 mxgate1 postfix/smtpd[14691]: NOQUEUE: reject: RCPT from slot0.macrosltd.com[104.168.245.253]: 450 4.1.1 : Recipient address rejected: unverified address: host pl3server.1awww.com[5.135.125.163] said: 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table (in reply to RCPT TO command); from=x@x 
.... truncated .... 
/smtpd[14691]: x@x
Nov 24 07:27:39 mxgate1 postfix/smtpd[14691]: disconnect from slot0.macrosltd.com[104.168.245.253] ehlo=2 starttls=1 mail=1 rcpt=0/1 quhostname=1 commands=5/6
Nov 24 07:57:39 mxgate1 postfix/........
-------------------------------
2019-11-28 15:29:59
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.168.245.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54772
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			496	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019112800 1800 900 604800 86400

;; Query time: 92 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Nov 28 15:29:55 CST 2019
;; MSG SIZE  rcvd: 119
Host info
253.245.168.104.in-addr.arpa domain name pointer slot0.macrosltd.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
253.245.168.104.in-addr.arpa	name = slot0.macrosltd.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
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2020-01-01 02:31:42
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2020-01-01 02:53:56
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Unauthorized connection attempt detected from IP address 203.205.54.247 to port 22
2020-01-01 02:20:56
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Unauthorized connection attempt detected from IP address 150.242.235.87 to port 1433
2020-01-01 02:51:26
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2020-01-01 02:33:21
171.118.202.206 attackbotsspam
Unauthorized connection attempt detected from IP address 171.118.202.206 to port 8080
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39.108.217.239 attack
Unauthorized connection attempt detected from IP address 39.108.217.239 to port 3389
2020-01-01 02:41:37
221.217.59.118 attack
Unauthorized connection attempt detected from IP address 221.217.59.118 to port 1433
2020-01-01 02:45:08
219.128.144.210 attackbots
Unauthorized connection attempt detected from IP address 219.128.144.210 to port 445
2020-01-01 02:46:07
61.2.218.56 attackspambots
Unauthorized connection attempt detected from IP address 61.2.218.56 to port 445
2020-01-01 02:36:48
61.144.244.75 attackspam
Unauthorized connection attempt detected from IP address 61.144.244.75 to port 9200
2020-01-01 02:36:23
112.103.168.112 attackbotsspam
Unauthorized connection attempt detected from IP address 112.103.168.112 to port 5555
2020-01-01 02:57:10
112.72.77.4 attack
Unauthorized connection attempt detected from IP address 112.72.77.4 to port 23
2020-01-01 02:30:18

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