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: 20.128.0.0/16, 20.34.0.0/15, 20.64.0.0/10, 20.36.0.0/14, 20.33.0.0/16, 20.40.0.0/13, 20.48.0.0/12
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
OrgTechHandle: SINGH683-ARIN
OrgTechName: Singh, Prachi
OrgTechPhone: +1-425-707-5601
OrgTechEmail: pracsin@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-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: 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
#
# 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 <<>> 20.84.123.144
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28005
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;20.84.123.144. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026100200 1800 900 604800 86400
;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Oct 02 17:01:35 CST 2026
;; MSG SIZE rcvd: 106Host 144.123.84.20.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 144.123.84.20.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 1.2.143.176 | attackspam | Automatic report - Port Scan Attack |
2019-09-05 04:54:25 |
| 218.98.26.173 | attackspambots | Sep 4 06:10:15 debian sshd[24462]: Unable to negotiate with 218.98.26.173 port 15396: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth] Sep 4 16:28:38 debian sshd[22424]: Unable to negotiate with 218.98.26.173 port 49794: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth] ... |
2019-09-05 04:50:10 |
| 146.242.56.23 | attack | Automated reporting of port scanning |
2019-09-05 04:52:37 |
| 177.189.210.42 | attackbotsspam | Automatic report - Banned IP Access |
2019-09-05 04:24:04 |
| 185.93.1.162 | attackspam | Automated reporting of port scanning |
2019-09-05 04:57:50 |
| 113.118.45.199 | attackspam | Sep 4 05:47:06 xb3 sshd[23281]: Failed password for invalid user system from 113.118.45.199 port 50096 ssh2 Sep 4 05:47:07 xb3 sshd[23281]: Received disconnect from 113.118.45.199: 11: Bye Bye [preauth] Sep 4 06:14:53 xb3 sshd[30076]: Failed password for invalid user bi from 113.118.45.199 port 48586 ssh2 Sep 4 06:14:54 xb3 sshd[30076]: Received disconnect from 113.118.45.199: 11: Bye Bye [preauth] Sep 4 06:19:29 xb3 sshd[28654]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.118.45.199 user=r.r Sep 4 06:19:31 xb3 sshd[28654]: Failed password for r.r from 113.118.45.199 port 43088 ssh2 Sep 4 06:19:31 xb3 sshd[28654]: Received disconnect from 113.118.45.199: 11: Bye Bye [preauth] Sep 4 06:21:27 xb3 sshd[21073]: Failed password for invalid user node from 113.118.45.199 port 54638 ssh2 Sep 4 06:21:28 xb3 sshd[21073]: Received disconnect from 113.118.45.199: 11: Bye Bye [preauth] ........ ----------------------------------------------- https://www.blocklist |
2019-09-05 04:41:56 |
| 185.93.1.163 | attackspam | Automated reporting of port scanning |
2019-09-05 04:54:46 |
| 124.156.181.66 | attackbotsspam | Automatic report - SSH Brute-Force Attack |
2019-09-05 05:07:39 |
| 103.225.99.36 | attackspam | 2019-09-04T22:41:38.757495lon01.zurich-datacenter.net sshd\[23040\]: Invalid user ann from 103.225.99.36 port 39877 2019-09-04T22:41:38.762850lon01.zurich-datacenter.net sshd\[23040\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.225.99.36 2019-09-04T22:41:40.742194lon01.zurich-datacenter.net sshd\[23040\]: Failed password for invalid user ann from 103.225.99.36 port 39877 ssh2 2019-09-04T22:46:39.020085lon01.zurich-datacenter.net sshd\[23151\]: Invalid user mdomin from 103.225.99.36 port 27240 2019-09-04T22:46:39.024592lon01.zurich-datacenter.net sshd\[23151\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.225.99.36 ... |
2019-09-05 04:56:51 |
| 211.219.80.184 | attackspambots | Sep 4 10:33:24 ny01 sshd[24481]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.219.80.184 Sep 4 10:33:26 ny01 sshd[24481]: Failed password for invalid user ftpuser from 211.219.80.184 port 45586 ssh2 Sep 4 10:39:02 ny01 sshd[25452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.219.80.184 |
2019-09-05 04:52:06 |
| 185.217.228.46 | attack | Lines containing failures of 185.217.228.46 Sep 4 15:01:29 shared11 postfix/smtpd[18664]: connect from mx.vzyfood.com[185.217.228.46] Sep 4 15:01:30 shared11 policyd-spf[19573]: prepend Received-SPF: Pass (mailfrom) identhostnamey=mailfrom; client-ip=185.217.228.46; helo=pumpcold.pro; envelope-from=x@x Sep x@x Sep 4 15:01:32 shared11 policyd-spf[19573]: prepend Received-SPF: Pass (mailfrom) identhostnamey=mailfrom; client-ip=185.217.228.46; helo=pumpcold.pro; envelope-from=x@x Sep x@x Sep 4 15:01:32 shared11 policyd-spf[19573]: prepend Received-SPF: Pass (mailfrom) identhostnamey=mailfrom; client-ip=185.217.228.46; helo=pumpcold.pro; envelope-from=x@x Sep x@x Sep 4 15:02:02 shared11 policyd-spf[19573]: prepend Received-SPF: Pass (mailfrom) identhostnamey=mailfrom; client-ip=185.217.228.46; helo=pumpcold.pro; envelope-from=x@x Sep x@x Sep 4 15:02:43 shared11 policyd-spf[19573]: prepend Received-SPF: Pass (mailfrom) identhostnamey=mailfrom; client-ip=185.217.228.46; ........ ------------------------------ |
2019-09-05 04:19:46 |
| 193.188.22.56 | attack | OS-WINDOWS Microsoft Windows Terminal server RDP over non-standard port attempt |
2019-09-05 04:28:44 |
| 157.230.92.254 | attackbotsspam | php WP PHPmyadamin ABUSE blocked for 12h |
2019-09-05 05:07:08 |
| 82.112.38.173 | attackspambots | Automatic report - Port Scan Attack |
2019-09-05 04:20:37 |
| 185.93.1.165 | attackbotsspam | Automated reporting of port scanning |
2019-09-05 04:59:33 |