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
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: SINGH683-ARIN
OrgTechName: Singh, Prachi
OrgTechPhone: +1-425-707-5601
OrgTechEmail: pracsin@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-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
OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName: Chaturmohta, Somesh
OrgRoutingPhone: +1-425-882-8080
OrgRoutingEmail: someshch@microsoft.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-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 <<>> 4.205.37.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4224
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;4.205.37.18. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026032401 1800 900 604800 86400
;; Query time: 31 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Mar 25 02:00:03 CST 2026
;; MSG SIZE rcvd: 104Host 18.37.205.4.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 18.37.205.4.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 36.75.220.191 | attackbotsspam | Unauthorized connection attempt detected from IP address 36.75.220.191 to port 445 |
2020-01-11 15:46:25 |
| 85.111.52.8 | attack | Automatic report - XMLRPC Attack |
2020-01-11 16:05:46 |
| 205.185.113.140 | attack | Jan 11 07:47:44 vtv3 sshd[10063]: Failed password for root from 205.185.113.140 port 35674 ssh2 Jan 11 07:51:13 vtv3 sshd[11798]: Failed password for root from 205.185.113.140 port 52970 ssh2 Jan 11 08:05:02 vtv3 sshd[17936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.185.113.140 Jan 11 08:05:04 vtv3 sshd[17936]: Failed password for invalid user Office@12124 from 205.185.113.140 port 32872 ssh2 Jan 11 08:06:54 vtv3 sshd[19041]: Failed password for root from 205.185.113.140 port 50166 ssh2 Jan 11 08:17:42 vtv3 sshd[23962]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.185.113.140 Jan 11 08:17:43 vtv3 sshd[23962]: Failed password for invalid user tesing0 from 205.185.113.140 port 51942 ssh2 Jan 11 08:19:29 vtv3 sshd[24662]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.185.113.140 Jan 11 08:30:03 vtv3 sshd[29948]: pam_unix(sshd:auth): authentication failure; logname= ui |
2020-01-11 15:52:19 |
| 54.215.251.176 | attack | Unauthorized connection attempt detected from IP address 54.215.251.176 to port 8080 |
2020-01-11 16:02:26 |
| 103.99.15.175 | attackbots | Attempt to attack host OS, exploiting network vulnerabilities, on 11-01-2020 04:55:09. |
2020-01-11 15:34:15 |
| 117.4.117.240 | attackspam | " " |
2020-01-11 15:58:52 |
| 187.18.110.31 | attackbots | Automatic report - Port Scan Attack |
2020-01-11 15:39:17 |
| 199.249.230.67 | attackspam | 01/11/2020-05:54:30.528664 199.249.230.67 Protocol: 6 ET TOR Known Tor Exit Node Traffic group 49 |
2020-01-11 15:59:41 |
| 222.186.42.155 | attack | Jan 11 08:45:56 dcd-gentoo sshd[21048]: User root from 222.186.42.155 not allowed because none of user's groups are listed in AllowGroups Jan 11 08:46:00 dcd-gentoo sshd[21048]: error: PAM: Authentication failure for illegal user root from 222.186.42.155 Jan 11 08:45:56 dcd-gentoo sshd[21048]: User root from 222.186.42.155 not allowed because none of user's groups are listed in AllowGroups Jan 11 08:46:00 dcd-gentoo sshd[21048]: error: PAM: Authentication failure for illegal user root from 222.186.42.155 Jan 11 08:45:56 dcd-gentoo sshd[21048]: User root from 222.186.42.155 not allowed because none of user's groups are listed in AllowGroups Jan 11 08:46:00 dcd-gentoo sshd[21048]: error: PAM: Authentication failure for illegal user root from 222.186.42.155 Jan 11 08:46:00 dcd-gentoo sshd[21048]: Failed keyboard-interactive/pam for invalid user root from 222.186.42.155 port 46695 ssh2 ... |
2020-01-11 15:49:36 |
| 177.152.38.93 | attack | [Sat Jan 11 11:54:42.857904 2020] [:error] [pid 8840:tid 140478095808256] [client 177.152.38.93:59766] [client 177.152.38.93] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197:80"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XhlVEsWJR76VRgCXUs12rAAAAD0"] ... |
2020-01-11 15:51:56 |
| 118.89.39.81 | attack | 2020-01-11T07:14:36.553907shield sshd\[6488\]: Invalid user uez from 118.89.39.81 port 45550 2020-01-11T07:14:36.560054shield sshd\[6488\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.39.81 2020-01-11T07:14:38.468482shield sshd\[6488\]: Failed password for invalid user uez from 118.89.39.81 port 45550 ssh2 2020-01-11T07:21:26.920993shield sshd\[8980\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.39.81 user=root 2020-01-11T07:21:28.448598shield sshd\[8980\]: Failed password for root from 118.89.39.81 port 35266 ssh2 |
2020-01-11 15:26:05 |
| 185.56.153.229 | attack | Jan 11 07:20:29 vtv3 sshd[30236]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.56.153.229 Jan 11 07:20:31 vtv3 sshd[30236]: Failed password for invalid user cloud from 185.56.153.229 port 38832 ssh2 Jan 11 07:28:23 vtv3 sshd[1246]: Failed password for root from 185.56.153.229 port 52704 ssh2 Jan 11 07:40:01 vtv3 sshd[6388]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.56.153.229 Jan 11 07:40:04 vtv3 sshd[6388]: Failed password for invalid user plex from 185.56.153.229 port 53922 ssh2 Jan 11 07:42:02 vtv3 sshd[7568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.56.153.229 Jan 11 07:52:09 vtv3 sshd[12140]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.56.153.229 Jan 11 07:52:11 vtv3 sshd[12140]: Failed password for invalid user ns from 185.56.153.229 port 55156 ssh2 Jan 11 07:54:12 vtv3 sshd[12875]: pam_unix(sshd:auth): aut |
2020-01-11 16:07:03 |
| 114.231.42.206 | attackbotsspam | 2020-01-10 22:54:33 dovecot_login authenticator failed for (rshwf) [114.231.42.206]:50435 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=linjia@lerctr.org) 2020-01-10 22:54:41 dovecot_login authenticator failed for (ylwdu) [114.231.42.206]:50435 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=linjia@lerctr.org) 2020-01-10 22:54:55 dovecot_login authenticator failed for (wztne) [114.231.42.206]:50435 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=linjia@lerctr.org) ... |
2020-01-11 15:47:36 |
| 186.178.107.22 | attack | Attempt to attack host OS, exploiting network vulnerabilities, on 11-01-2020 04:55:10. |
2020-01-11 15:30:13 |
| 123.22.229.31 | attackspam | 01/10/2020-23:55:17.180697 123.22.229.31 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433 |
2020-01-11 15:29:47 |