City: Washington
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: 138.91.0.0 - 138.91.255.255
CIDR: 138.91.0.0/16
NetName: MICROSOFT
NetHandle: NET-138-91-0-0-1
Parent: NET138 (NET-138-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corp (MSFT-Z)
RegDate: 2011-06-22
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/138.91.0.0
OrgName: Microsoft Corp
OrgId: MSFT-Z
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 2011-06-22
Updated: 2025-06-10
Comment: To report suspected security issues specific to
Comment: traffic emanating from Microsoft online services,
Comment: including the distribution of malicious content
Comment: or other illicit or illegal material through a
Comment: Microsoft online service, please submit reports
Comment: to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft
Comment: Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft
Comment: products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests,
Comment: 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-Z
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: SINGH683-ARIN
OrgTechName: Singh, Prachi
OrgTechPhone: +1-425-707-5601
OrgTechEmail: pracsin@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-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
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
#
# 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 <<>> 138.91.104.201
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55861
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;138.91.104.201. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026080602 1800 900 604800 86400
;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Aug 07 10:00:09 CST 2026
;; MSG SIZE rcvd: 107Host 201.104.91.138.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 201.104.91.138.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 182.103.24.99 | attackspambots | @LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-08-25 17:42:21,759 INFO [shellcode_manager] (182.103.24.99) no match, writing hexdump (fdfbb24664bb94d02a24d52f498d0f00 :2244526) - MS17010 (EternalBlue) |
2019-08-26 14:27:30 |
| 14.231.248.24 | bots | 14.231.248.24 - - [26/Aug/2019:11:16:31 +0800] "GET /check-ip/120.178.19.12 HTTP/1.1" 200 9461 "https://ipinfo.asytech.cn" "Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (lik e Gecko) (Exabot-Thumbnails)" 14.231.248.24 - - [26/Aug/2019:11:16:31 +0800] "GET /check-ip/159.146.11.24 HTTP/1.1" 200 9951 "https://ipinfo.asytech.cn" "Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (lik e Gecko) (Exabot-Thumbnails)" 14.231.248.24 - - [26/Aug/2019:11:16:31 +0800] "GET /check-ip/33.181.231.172 HTTP/1.1" 200 9260 "https://ipinfo.asytech.cn" "Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (li ke Gecko) (Exabot-Thumbnails)" 14.231.248.24 - - [26/Aug/2019:11:16:31 +0800] "GET /check-ip/154.113.253.234 HTTP/1.1" 200 9635 "https://ipinfo.asytech.cn" "Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (l ike Gecko) (Exabot-Thumbnails)" |
2019-08-26 14:13:26 |
| 202.181.205.114 | attackspambots | SMB Server BruteForce Attack |
2019-08-26 14:22:12 |
| 218.92.0.133 | attack | Aug 26 05:38:52 marvibiene sshd[14414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.133 user=root Aug 26 05:38:54 marvibiene sshd[14414]: Failed password for root from 218.92.0.133 port 25276 ssh2 Aug 26 05:38:56 marvibiene sshd[14414]: Failed password for root from 218.92.0.133 port 25276 ssh2 Aug 26 05:38:52 marvibiene sshd[14414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.133 user=root Aug 26 05:38:54 marvibiene sshd[14414]: Failed password for root from 218.92.0.133 port 25276 ssh2 Aug 26 05:38:56 marvibiene sshd[14414]: Failed password for root from 218.92.0.133 port 25276 ssh2 ... |
2019-08-26 13:58:55 |
| 115.70.196.41 | attackbots | SSH bruteforce (Triggered fail2ban) |
2019-08-26 14:16:32 |
| 178.33.14.211 | attackbotsspam | " " |
2019-08-26 14:05:03 |
| 163.47.214.155 | attackspam | fail2ban |
2019-08-26 14:30:07 |
| 51.75.30.199 | attack | Aug 26 08:39:40 SilenceServices sshd[10802]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.30.199 Aug 26 08:39:42 SilenceServices sshd[10802]: Failed password for invalid user 01234 from 51.75.30.199 port 59382 ssh2 Aug 26 08:43:37 SilenceServices sshd[12381]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.30.199 |
2019-08-26 14:51:46 |
| 118.121.204.109 | attack | Aug 26 07:49:51 h2177944 sshd\[6167\]: Invalid user hama from 118.121.204.109 port 26328 Aug 26 07:49:51 h2177944 sshd\[6167\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.121.204.109 Aug 26 07:49:53 h2177944 sshd\[6167\]: Failed password for invalid user hama from 118.121.204.109 port 26328 ssh2 Aug 26 07:53:02 h2177944 sshd\[6246\]: Invalid user 111111 from 118.121.204.109 port 39371 Aug 26 07:53:02 h2177944 sshd\[6246\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.121.204.109 ... |
2019-08-26 14:35:06 |
| 104.248.30.249 | attack | Aug 26 07:05:48 plex sshd[10700]: Invalid user magento from 104.248.30.249 port 44758 |
2019-08-26 14:04:19 |
| 128.199.138.31 | attackbots | Aug 26 02:29:07 vps200512 sshd\[21790\]: Invalid user more from 128.199.138.31 Aug 26 02:29:07 vps200512 sshd\[21790\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.138.31 Aug 26 02:29:08 vps200512 sshd\[21790\]: Failed password for invalid user more from 128.199.138.31 port 56891 ssh2 Aug 26 02:33:53 vps200512 sshd\[21882\]: Invalid user samba from 128.199.138.31 Aug 26 02:33:53 vps200512 sshd\[21882\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.138.31 |
2019-08-26 14:43:06 |
| 222.99.162.243 | attackbots | Honeypot attack, port: 23, PTR: PTR record not found |
2019-08-26 14:37:15 |
| 35.246.115.120 | attackspambots | Aug 26 08:19:15 lnxded63 sshd[26214]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.246.115.120 |
2019-08-26 14:44:16 |
| 119.27.165.134 | attackbots | SSH Brute Force |
2019-08-26 14:48:29 |
| 160.20.253.6 | attackbotsspam | SMB Server BruteForce Attack |
2019-08-26 14:18:06 |