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: 20.34.0.0/15, 20.64.0.0/10, 20.128.0.0/16, 20.33.0.0/16, 20.40.0.0/13, 20.36.0.0/14, 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
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 <<>> 20.115.50.247
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19340
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;20.115.50.247. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026092700 1800 900 604800 86400
;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Sep 27 14:31:03 CST 2026
;; MSG SIZE rcvd: 106Host 247.50.115.20.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 247.50.115.20.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 159.65.224.137 | attack |
|
2020-06-29 21:50:41 |
| 111.72.196.86 | attackspam | Jun 29 15:04:14 srv01 postfix/smtpd\[13016\]: warning: unknown\[111.72.196.86\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:04:26 srv01 postfix/smtpd\[13016\]: warning: unknown\[111.72.196.86\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:04:44 srv01 postfix/smtpd\[13016\]: warning: unknown\[111.72.196.86\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:05:04 srv01 postfix/smtpd\[13016\]: warning: unknown\[111.72.196.86\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:05:21 srv01 postfix/smtpd\[13016\]: warning: unknown\[111.72.196.86\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... |
2020-06-29 21:36:17 |
| 110.93.200.118 | attackbotsspam | Jun 29 12:39:30 django-0 sshd[18538]: Invalid user wutong from 110.93.200.118 ... |
2020-06-29 21:52:24 |
| 51.77.220.127 | attackspambots | 51.77.220.127 - - [29/Jun/2020:17:30:43 +0400] "POST /GponForm/diag_Form?style/ HTTP/1.1" 502 157 "-" "curl/7.3.2" ... |
2020-06-29 21:34:45 |
| 190.115.152.102 | attackbots | timhelmke.de 190.115.152.102 [29/Jun/2020:13:12:08 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4260 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36" timhelmke.de 190.115.152.102 [29/Jun/2020:13:12:13 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4260 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36" |
2020-06-29 21:43:36 |
| 138.197.213.233 | attackspam | Jun 29 06:03:47 dignus sshd[20461]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.213.233 Jun 29 06:03:50 dignus sshd[20461]: Failed password for invalid user jason from 138.197.213.233 port 34880 ssh2 Jun 29 06:05:50 dignus sshd[20636]: Invalid user bow from 138.197.213.233 port 39732 Jun 29 06:05:50 dignus sshd[20636]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.213.233 Jun 29 06:05:52 dignus sshd[20636]: Failed password for invalid user bow from 138.197.213.233 port 39732 ssh2 ... |
2020-06-29 21:35:48 |
| 177.155.36.139 | attack | Automatic report - Banned IP Access |
2020-06-29 21:30:54 |
| 132.148.244.122 | attackspam | 132.148.244.122 - - [29/Jun/2020:13:16:46 +0200] "POST /xmlrpc.php HTTP/1.1" 403 10518 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" 132.148.244.122 - - [29/Jun/2020:13:17:13 +0200] "POST /xmlrpc.php HTTP/1.1" 403 10519 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" ... |
2020-06-29 21:05:46 |
| 185.143.73.148 | attackspam | Jun 29 15:20:11 srv01 postfix/smtpd\[5857\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:20:13 srv01 postfix/smtpd\[15558\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:20:50 srv01 postfix/smtpd\[15558\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:21:24 srv01 postfix/smtpd\[29966\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 29 15:21:25 srv01 postfix/smtpd\[6394\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... |
2020-06-29 21:30:24 |
| 83.97.20.31 | attack | Port scan - 7 hits (greater than 5) |
2020-06-29 21:36:46 |
| 46.38.145.6 | attack | 2020-06-29 12:50:37 auth_plain authenticator failed for (User) [46.38.145.6]: 535 Incorrect authentication data (set_id=cnltec@csmailer.org) 2020-06-29 12:51:21 auth_plain authenticator failed for (User) [46.38.145.6]: 535 Incorrect authentication data (set_id=crossdressers@csmailer.org) 2020-06-29 12:52:10 auth_plain authenticator failed for (User) [46.38.145.6]: 535 Incorrect authentication data (set_id=m005c123@csmailer.org) 2020-06-29 12:52:55 auth_plain authenticator failed for (User) [46.38.145.6]: 535 Incorrect authentication data (set_id=photoshop@csmailer.org) 2020-06-29 12:53:40 auth_plain authenticator failed for (User) [46.38.145.6]: 535 Incorrect authentication data (set_id=jd@csmailer.org) ... |
2020-06-29 21:15:17 |
| 112.74.205.23 | attack | fail2ban/Jun 29 13:12:03 h1962932 proftpd[9997]: 0.0.0.0 (112.74.205.23[112.74.205.23]) - USER mobilechicks: no such user found from 112.74.205.23 [112.74.205.23] to 85.214.45.150:21 Jun 29 13:12:05 h1962932 proftpd[9998]: 0.0.0.0 (112.74.205.23[112.74.205.23]) - USER mobilechicks: no such user found from 112.74.205.23 [112.74.205.23] to 85.214.45.150:21 Jun 29 13:12:05 h1962932 proftpd[10044]: 0.0.0.0 (112.74.205.23[112.74.205.23]) - USER mobilechicks: no such user found from 112.74.205.23 [112.74.205.23] to 85.214.45.150:21 |
2020-06-29 21:51:50 |
| 218.92.0.173 | attackbotsspam | Jun 29 08:59:48 NPSTNNYC01T sshd[20919]: Failed password for root from 218.92.0.173 port 59915 ssh2 Jun 29 09:00:01 NPSTNNYC01T sshd[20919]: error: maximum authentication attempts exceeded for root from 218.92.0.173 port 59915 ssh2 [preauth] Jun 29 09:00:07 NPSTNNYC01T sshd[20962]: Failed password for root from 218.92.0.173 port 24116 ssh2 ... |
2020-06-29 21:13:32 |
| 42.189.116.111 | attackspam | xmlrpc attack |
2020-06-29 21:20:54 |
| 35.204.70.38 | attackbots | Jun 29 13:28:11 ns3164893 sshd[28241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.204.70.38 Jun 29 13:28:13 ns3164893 sshd[28241]: Failed password for invalid user yyh from 35.204.70.38 port 41150 ssh2 ... |
2020-06-29 21:27:19 |