City: Dulles Town Center
Region: Virginia
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: 20.33.0.0 - 20.128.255.255
CIDR: 20.64.0.0/10, 20.33.0.0/16, 20.128.0.0/16, 20.36.0.0/14, 20.48.0.0/12, 20.34.0.0/15, 20.40.0.0/13
NetName: MSFT
NetHandle: NET-20-33-0-0-1
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/20.33.0.0
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
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
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: 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
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 <<>> 20.51.217.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23999
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;20.51.217.66. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026092201 1800 900 604800 86400
;; Query time: 35 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Sep 23 05:00:30 CST 2026
;; MSG SIZE rcvd: 105Host 66.217.51.20.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 66.217.51.20.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 45.227.255.100 | attack | 45.224.0.0/12 blocked lacnic not allowed |
2019-06-27 02:08:29 |
| 212.79.107.37 | attackspambots | 5555/tcp [2019-06-26]1pkt |
2019-06-27 02:17:59 |
| 218.74.183.155 | attackbotsspam | firewall-block, port(s): 22/tcp |
2019-06-27 02:34:07 |
| 185.200.189.189 | attackbots | firewall-block, port(s): 4899/tcp |
2019-06-27 02:40:31 |
| 171.252.35.16 | attackspambots | 445/tcp [2019-06-26]1pkt |
2019-06-27 02:30:26 |
| 110.35.180.239 | attack | SSH bruteforce |
2019-06-27 02:06:41 |
| 102.156.163.44 | attackspam | 7001/tcp [2019-06-26]1pkt |
2019-06-27 02:42:58 |
| 110.49.53.18 | attackbotsspam | Unauthorized connection attempt from IP address 110.49.53.18 on Port 445(SMB) |
2019-06-27 02:15:43 |
| 2.153.184.166 | attackbotsspam | Jun 26 18:15:05 web24hdcode sshd[122077]: Invalid user git5 from 2.153.184.166 port 48058 Jun 26 18:15:05 web24hdcode sshd[122077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.153.184.166 Jun 26 18:15:05 web24hdcode sshd[122077]: Invalid user git5 from 2.153.184.166 port 48058 Jun 26 18:15:07 web24hdcode sshd[122077]: Failed password for invalid user git5 from 2.153.184.166 port 48058 ssh2 Jun 26 18:17:06 web24hdcode sshd[122083]: Invalid user tomcat from 2.153.184.166 port 36792 Jun 26 18:17:06 web24hdcode sshd[122083]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.153.184.166 Jun 26 18:17:06 web24hdcode sshd[122083]: Invalid user tomcat from 2.153.184.166 port 36792 Jun 26 18:17:07 web24hdcode sshd[122083]: Failed password for invalid user tomcat from 2.153.184.166 port 36792 ssh2 Jun 26 18:19:01 web24hdcode sshd[122087]: Invalid user logger from 2.153.184.166 port 53762 ... |
2019-06-27 02:09:56 |
| 185.137.233.225 | attackspambots | proto=tcp . spt=60000 . dpt=3389 . src=185.137.233.225 . dst=xx.xx.4.1 . (listed on Alienvault Jun 26) (1114) |
2019-06-27 02:29:54 |
| 92.61.67.102 | attackbots | 23/tcp 23/tcp [2019-06-26]2pkt |
2019-06-27 02:19:53 |
| 49.88.226.183 | attackspambots | SASL Brute Force |
2019-06-27 02:25:04 |
| 219.78.63.249 | attack | 9527/tcp 9527/tcp 9527/tcp [2019-06-26]3pkt |
2019-06-27 02:18:32 |
| 111.185.239.75 | attackbots | firewall-block, port(s): 23/tcp |
2019-06-27 02:44:47 |
| 68.183.50.149 | attackspambots | Jun 26 19:51:20 herz-der-gamer sshd[26540]: Invalid user cele from 68.183.50.149 port 59028 Jun 26 19:51:20 herz-der-gamer sshd[26540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.50.149 Jun 26 19:51:20 herz-der-gamer sshd[26540]: Invalid user cele from 68.183.50.149 port 59028 Jun 26 19:51:23 herz-der-gamer sshd[26540]: Failed password for invalid user cele from 68.183.50.149 port 59028 ssh2 ... |
2019-06-27 02:09:31 |