City: Des Moines
Region: Iowa
Country: United States
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: 20.0.0.0 - 20.31.255.255
CIDR: 20.0.0.0/11
NetName: MSFT
NetHandle: NET-20-0-0-0-1
Parent: NET20 (NET-20-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corporation (MSFT)
RegDate: 2017-10-18
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/20.0.0.0
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
OrgTechHandle: BEDAR6-ARIN
OrgTechName: Bedard, Dawn
OrgTechPhone: +1-425-538-6637
OrgTechEmail: dabedard@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/BEDAR6-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
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
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: 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
#
# 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 <<>> 20.12.173.235
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27117
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;20.12.173.235. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026061700 1800 900 604800 86400
;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jun 18 00:01:53 CST 2026
;; MSG SIZE rcvd: 106Host 235.173.12.20.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 235.173.12.20.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 82.148.30.217 | attackbots | Lines containing failures of 82.148.30.217 Mar 11 19:40:30 shared01 sshd[4143]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.148.30.217 user=r.r Mar 11 19:40:31 shared01 sshd[4143]: Failed password for r.r from 82.148.30.217 port 38884 ssh2 Mar 11 19:40:31 shared01 sshd[4143]: Received disconnect from 82.148.30.217 port 38884:11: Bye Bye [preauth] Mar 11 19:40:31 shared01 sshd[4143]: Disconnected from authenticating user r.r 82.148.30.217 port 38884 [preauth] Mar 11 19:52:26 shared01 sshd[8173]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.148.30.217 user=r.r Mar 11 19:52:28 shared01 sshd[8173]: Failed password for r.r from 82.148.30.217 port 40884 ssh2 Mar 11 19:52:28 shared01 sshd[8173]: Received disconnect from 82.148.30.217 port 40884:11: Bye Bye [preauth] Mar 11 19:52:28 shared01 sshd[8173]: Disconnected from authenticating user r.r 82.148.30.217 port 40884 [preauth] Mar 11........ ------------------------------ |
2020-03-12 20:21:23 |
| 51.77.215.227 | attackspam | Mar 12 11:05:20 lock-38 sshd[28309]: Failed password for root from 51.77.215.227 port 39558 ssh2 Mar 12 11:10:13 lock-38 sshd[28324]: Failed password for root from 51.77.215.227 port 56576 ssh2 Mar 12 11:14:57 lock-38 sshd[28357]: Invalid user sandeep from 51.77.215.227 port 45348 Mar 12 11:14:57 lock-38 sshd[28357]: Invalid user sandeep from 51.77.215.227 port 45348 Mar 12 11:14:57 lock-38 sshd[28357]: Failed password for invalid user sandeep from 51.77.215.227 port 45348 ssh2 ... |
2020-03-12 20:21:48 |
| 217.182.95.16 | attack | leo_www |
2020-03-12 20:48:08 |
| 199.243.179.3 | attackbots | Scan detected 2020.03.12 13:32:02 blocked until 2020.04.06 11:03:25 |
2020-03-12 20:53:31 |
| 223.205.220.122 | attackbots | Mar 12 04:46:10 raspberrypi sshd\[28986\]: Did not receive identification string from 223.205.220.122 ... |
2020-03-12 20:13:01 |
| 81.196.93.228 | attack | Automatic report - Port Scan Attack |
2020-03-12 20:43:41 |
| 178.171.66.97 | attack | Chat Spam |
2020-03-12 20:18:44 |
| 41.231.86.145 | attack | Unauthorized connection attempt from IP address 41.231.86.145 on Port 445(SMB) |
2020-03-12 20:30:37 |
| 103.81.214.20 | attackspambots | Unauthorized connection attempt from IP address 103.81.214.20 on Port 445(SMB) |
2020-03-12 20:31:55 |
| 36.155.113.199 | attack | Mar 12 05:04:48 sd-53420 sshd\[30331\]: Invalid user meimeimeilll from 36.155.113.199 Mar 12 05:04:48 sd-53420 sshd\[30331\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.155.113.199 Mar 12 05:04:51 sd-53420 sshd\[30331\]: Failed password for invalid user meimeimeilll from 36.155.113.199 port 38179 ssh2 Mar 12 05:08:35 sd-53420 sshd\[30771\]: Invalid user 1234 from 36.155.113.199 Mar 12 05:08:35 sd-53420 sshd\[30771\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.155.113.199 ... |
2020-03-12 20:19:04 |
| 176.95.169.216 | attackbotsspam | 2020-03-12T12:27:59.722687shield sshd\[24397\]: Invalid user debian from 176.95.169.216 port 53822 2020-03-12T12:27:59.725962shield sshd\[24397\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=business-176-095-169-216.static.arcor-ip.net 2020-03-12T12:28:02.090990shield sshd\[24397\]: Failed password for invalid user debian from 176.95.169.216 port 53822 ssh2 2020-03-12T12:32:03.592210shield sshd\[25104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=business-176-095-169-216.static.arcor-ip.net user=root 2020-03-12T12:32:05.121906shield sshd\[25104\]: Failed password for root from 176.95.169.216 port 42100 ssh2 |
2020-03-12 20:48:38 |
| 200.59.189.124 | attackbotsspam | Unauthorized connection attempt from IP address 200.59.189.124 on Port 445(SMB) |
2020-03-12 20:46:47 |
| 125.27.47.169 | attackbotsspam | Unauthorized connection attempt from IP address 125.27.47.169 on Port 445(SMB) |
2020-03-12 20:16:34 |
| 178.250.229.35 | attack | Scan detected 2020.03.12 13:32:02 blocked until 2020.04.06 11:03:25 |
2020-03-12 20:54:36 |
| 183.134.199.68 | attackspambots | Mar 12 11:56:59 *** sshd[29699]: User root from 183.134.199.68 not allowed because not listed in AllowUsers |
2020-03-12 20:18:09 |