City: Toronto
Region: Ontario
Country: Canada
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
NetRange: 4.192.0.0 - 4.207.255.255
CIDR: 4.192.0.0/12
NetName: MSFT
NetHandle: NET-4-192-0-0-2
Parent: NET4 (NET-4-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corporation (MSFT)
RegDate: 2020-07-07
Updated: 2020-07-07
Ref: https://rdap.arin.net/registry/ip/4.192.0.0
OrgName: Microsoft Corporation
OrgId: MSFT
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 1998-07-10
Updated: 2025-06-10
Comment: To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests, please contact:
Comment: * msndcc@microsoft.com
Comment:
Comment: For routing, peering or DNS issues, please
Comment: contact:
Comment: * IOC@microsoft.com
Ref: https://rdap.arin.net/registry/entity/MSFT
OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName: Chaturmohta, Somesh
OrgRoutingPhone: +1-425-882-8080
OrgRoutingEmail: someshch@microsoft.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-ARIN
OrgAbuseHandle: MAC74-ARIN
OrgAbuseName: Microsoft Abuse Contact
OrgAbusePhone: +1-425-882-8080
OrgAbuseEmail: abuse@microsoft.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN
OrgTechHandle: BEDAR6-ARIN
OrgTechName: Bedard, Dawn
OrgTechPhone: +1-425-538-6637
OrgTechEmail: dabedard@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/BEDAR6-ARIN
OrgTechHandle: IPHOS5-ARIN
OrgTechName: IPHostmaster, IPHostmaster
OrgTechPhone: +1-425-538-6637
OrgTechEmail: iphostmaster@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPHOS5-ARIN
OrgTechHandle: MRPD-ARIN
OrgTechName: Microsoft Routing, Peering, and DNS
OrgTechPhone: +1-425-882-8080
OrgTechEmail: IOC@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN
OrgTechHandle: SINGH683-ARIN
OrgTechName: Singh, Prachi
OrgTechPhone: +1-425-707-5601
OrgTechEmail: pracsin@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 4.204.200.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5179
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;4.204.200.136. IN A
;; AUTHORITY SECTION:
. 29 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026082401 1800 900 604800 86400
;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Aug 25 13:30:05 CST 2026
;; MSG SIZE rcvd: 106
Host 136.200.204.4.in-addr.arpa. not found: 3(NXDOMAIN)
Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 136.200.204.4.in-addr.arpa: NXDOMAIN
| IP | Type | Details | Datetime |
|---|---|---|---|
| 47.74.49.75 | attack | SSH brute-force attempt |
2020-07-06 13:43:01 |
| 176.31.53.147 | attackbots | Long Request |
2020-07-06 13:12:29 |
| 123.1.189.250 | attack | Jul 6 06:23:06 srv-ubuntu-dev3 sshd[42275]: Invalid user kmk from 123.1.189.250 Jul 6 06:23:06 srv-ubuntu-dev3 sshd[42275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.189.250 Jul 6 06:23:06 srv-ubuntu-dev3 sshd[42275]: Invalid user kmk from 123.1.189.250 Jul 6 06:23:08 srv-ubuntu-dev3 sshd[42275]: Failed password for invalid user kmk from 123.1.189.250 port 55934 ssh2 Jul 6 06:26:51 srv-ubuntu-dev3 sshd[47397]: Invalid user lcd from 123.1.189.250 Jul 6 06:26:51 srv-ubuntu-dev3 sshd[47397]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.189.250 Jul 6 06:26:51 srv-ubuntu-dev3 sshd[47397]: Invalid user lcd from 123.1.189.250 Jul 6 06:26:53 srv-ubuntu-dev3 sshd[47397]: Failed password for invalid user lcd from 123.1.189.250 port 53650 ssh2 Jul 6 06:30:39 srv-ubuntu-dev3 sshd[51396]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.189.250 ... |
2020-07-06 13:50:22 |
| 84.54.122.95 | attack | Jul 6 05:54:04 smtp postfix/smtpd[3954]: NOQUEUE: reject: RCPT from unknown[84.54.122.95]: 554 5.7.1 Service unavailable; Client host [84.54.122.95] blocked using cbl.abuseat.org; Blocked - see http://www.abuseat.org/lookup.cgi?ip=84.54.122.95; from= |
2020-07-06 13:21:59 |
| 121.166.245.171 | attackspambots | Jul 6 04:07:49 IngegnereFirenze sshd[15097]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.166.245.171 user=root ... |
2020-07-06 13:24:48 |
| 54.37.68.33 | attack | Failed password for invalid user test from 54.37.68.33 port 45276 ssh2 |
2020-07-06 13:18:25 |
| 61.177.172.177 | attack | Jul 6 07:54:13 server sshd[696]: Failed none for root from 61.177.172.177 port 53061 ssh2 Jul 6 07:54:15 server sshd[696]: Failed password for root from 61.177.172.177 port 53061 ssh2 Jul 6 07:54:19 server sshd[696]: Failed password for root from 61.177.172.177 port 53061 ssh2 |
2020-07-06 13:54:38 |
| 151.80.67.240 | attackbots | Repeated brute force against a port |
2020-07-06 13:40:06 |
| 35.244.25.124 | attackbots | Jul 6 01:05:37 ny01 sshd[16043]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.244.25.124 Jul 6 01:05:39 ny01 sshd[16043]: Failed password for invalid user finance from 35.244.25.124 port 57010 ssh2 Jul 6 01:10:22 ny01 sshd[16605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.244.25.124 |
2020-07-06 13:20:17 |
| 106.51.78.18 | attackbotsspam | 2020-07-06T05:20:43.326727shield sshd\[7294\]: Invalid user bill from 106.51.78.18 port 45098 2020-07-06T05:20:43.331382shield sshd\[7294\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.51.78.18 2020-07-06T05:20:45.609915shield sshd\[7294\]: Failed password for invalid user bill from 106.51.78.18 port 45098 ssh2 2020-07-06T05:24:21.556080shield sshd\[8557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.51.78.18 user=root 2020-07-06T05:24:23.428681shield sshd\[8557\]: Failed password for root from 106.51.78.18 port 42754 ssh2 |
2020-07-06 13:26:51 |
| 178.62.248.130 | attackspambots | $f2bV_matches |
2020-07-06 13:27:51 |
| 49.235.143.244 | attackbots | Lines containing failures of 49.235.143.244 Jul 6 02:27:27 nemesis sshd[25215]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.143.244 user=r.r Jul 6 02:27:29 nemesis sshd[25215]: Failed password for r.r from 49.235.143.244 port 48382 ssh2 Jul 6 02:27:29 nemesis sshd[25215]: Received disconnect from 49.235.143.244 port 48382:11: Bye Bye [preauth] Jul 6 02:27:29 nemesis sshd[25215]: Disconnected from authenticating user r.r 49.235.143.244 port 48382 [preauth] Jul 6 02:37:45 nemesis sshd[29645]: Invalid user user from 49.235.143.244 port 52398 Jul 6 02:37:45 nemesis sshd[29645]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.143.244 Jul 6 02:37:48 nemesis sshd[29645]: Failed password for invalid user user from 49.235.143.244 port 52398 ssh2 ........ ----------------------------------------------- https://www.blocklist.de/en/view.html?ip=49.235.143.244 |
2020-07-06 13:27:08 |
| 139.155.81.79 | attack | Unauthorized SSH login attempts |
2020-07-06 13:23:11 |
| 68.183.177.189 | attackspam | $f2bV_matches |
2020-07-06 14:04:39 |
| 165.22.245.171 | attackbotsspam | 20 attempts against mh-ssh on grass |
2020-07-06 14:00:49 |