City: Chennai
Region: Tamil Nadu
Country: India
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: 40.74.0.0 - 40.125.127.255
CIDR: 40.124.0.0/16, 40.112.0.0/13, 40.80.0.0/12, 40.96.0.0/12, 40.125.0.0/17, 40.76.0.0/14, 40.120.0.0/14, 40.74.0.0/15
NetName: MSFT
NetHandle: NET-40-74-0-0-1
Parent: NET40 (NET-40-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corporation (MSFT)
RegDate: 2015-02-23
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/40.74.0.0
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 <<>> 40.81.79.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54747
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;40.81.79.136. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026082001 1800 900 604800 86400
;; Query time: 5 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Aug 21 09:49:06 CST 2026
;; MSG SIZE rcvd: 105Host 136.79.81.40.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 136.79.81.40.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 143.208.249.131 | attack | Distributed brute force attack |
2019-07-28 13:24:55 |
| 197.248.38.174 | attack | firewall-block, port(s): 445/tcp |
2019-07-28 13:54:42 |
| 23.225.121.194 | attackspam | Port scan and direct access per IP instead of hostname |
2019-07-28 14:28:29 |
| 51.38.57.78 | attackspam | Jul 28 06:43:23 server01 sshd\[9741\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.57.78 user=root Jul 28 06:43:26 server01 sshd\[9741\]: Failed password for root from 51.38.57.78 port 38552 ssh2 Jul 28 06:47:17 server01 sshd\[9777\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.57.78 user=root ... |
2019-07-28 14:26:12 |
| 203.205.35.211 | attackspambots | Port scan and direct access per IP instead of hostname |
2019-07-28 14:38:00 |
| 77.146.63.77 | attackbotsspam | Automatic report - SSH Brute-Force Attack |
2019-07-28 13:22:40 |
| 79.53.74.199 | attackbotsspam | Automatic report - Port Scan Attack |
2019-07-28 14:14:07 |
| 121.10.253.37 | attackspambots | 'IP reached maximum auth failures for a one day block' |
2019-07-28 13:35:17 |
| 51.83.76.203 | attack | Jul 28 00:11:54 aat-srv002 sshd[2673]: Failed password for root from 51.83.76.203 port 45054 ssh2 Jul 28 00:16:23 aat-srv002 sshd[2773]: Failed password for root from 51.83.76.203 port 40270 ssh2 Jul 28 00:20:48 aat-srv002 sshd[2886]: Failed password for root from 51.83.76.203 port 35516 ssh2 ... |
2019-07-28 13:37:18 |
| 2.190.133.32 | attack | Automatic report - Port Scan Attack |
2019-07-28 13:35:45 |
| 185.233.100.23 | attackbots | v+ssh-bruteforce |
2019-07-28 13:36:40 |
| 186.216.153.125 | attackspam | Jul 27 21:10:16 web1 postfix/smtpd[27874]: warning: unknown[186.216.153.125]: SASL PLAIN authentication failed: authentication failure ... |
2019-07-28 13:43:45 |
| 182.18.208.27 | attackspambots | Jul 28 07:56:38 * sshd[421]: Failed password for root from 182.18.208.27 port 33512 ssh2 |
2019-07-28 14:08:32 |
| 185.220.101.26 | attack | Jul 28 04:37:41 dev0-dcde-rnet sshd[11406]: Failed password for root from 185.220.101.26 port 37457 ssh2 Jul 28 04:37:43 dev0-dcde-rnet sshd[11408]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.220.101.26 Jul 28 04:37:44 dev0-dcde-rnet sshd[11408]: Failed password for invalid user 666666 from 185.220.101.26 port 33567 ssh2 |
2019-07-28 13:49:55 |
| 119.46.97.140 | attack | Automatic report |
2019-07-28 14:21:46 |