Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
#
# 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:       4.128.0.0 - 4.143.255.255
CIDR:           4.128.0.0/12
NetName:        MSFT
NetHandle:      NET-4-128-0-0-2
Parent:         NET4 (NET-4-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Microsoft Corporation (MSFT)
RegDate:        2019-07-17
Updated:        2019-07-17
Ref:            https://rdap.arin.net/registry/ip/4.128.0.0



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 info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 4.128.50.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56273
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;4.128.50.100.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026090300 1800 900 604800 86400

;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Sep 03 23:37:26 CST 2026
;; MSG SIZE  rcvd: 105
Host info
Host 100.50.128.4.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 100.50.128.4.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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120.88.46.226 attackspambots
$f2bV_matches
2020-08-19 20:16:41
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2020-08-19 19:58:15
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2020-08-19 20:12:13
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198.27.69.130 - - [19/Aug/2020:12:31:02 +0100] "POST /wp-login.php HTTP/1.1" 200 5800 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
198.27.69.130 - - [19/Aug/2020:12:32:05 +0100] "POST /wp-login.php HTTP/1.1" 200 5813 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
198.27.69.130 - - [19/Aug/2020:12:33:08 +0100] "POST /wp-login.php HTTP/1.1" 200 5813 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-08-19 19:39:03
45.186.236.35 attackspambots
Attempted connection to port 445.
2020-08-19 20:06:38
165.22.209.132 attackbots
Attempt to hack Wordpress Login, XMLRPC or other login
2020-08-19 19:57:31
62.14.242.34 attackbotsspam
Aug 19 05:43:06 [host] sshd[7452]: pam_unix(sshd:a
Aug 19 05:43:08 [host] sshd[7452]: Failed password
Aug 19 05:45:55 [host] sshd[7617]: pam_unix(sshd:a
2020-08-19 20:09:58
129.213.107.56 attackbots
Aug 19 10:50:09 sip sshd[1354705]: Invalid user zhangshifeng from 129.213.107.56 port 53626
Aug 19 10:50:10 sip sshd[1354705]: Failed password for invalid user zhangshifeng from 129.213.107.56 port 53626 ssh2
Aug 19 10:53:59 sip sshd[1354735]: Invalid user ferdinand from 129.213.107.56 port 33038
...
2020-08-19 19:41:02
125.26.118.155 attackbots
Unauthorized connection attempt from IP address 125.26.118.155 on Port 445(SMB)
2020-08-19 20:16:26
58.213.155.227 attackbots
Aug 19 06:30:05 firewall sshd[30441]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.213.155.227  user=root
Aug 19 06:30:07 firewall sshd[30441]: Failed password for root from 58.213.155.227 port 28926 ssh2
Aug 19 06:34:17 firewall sshd[30537]: Invalid user angel from 58.213.155.227
...
2020-08-19 19:57:51
49.228.48.11 attackbots
Attempted connection to port 445.
2020-08-19 20:03:23
49.146.62.204 attackbots
Unauthorized connection attempt from IP address 49.146.62.204 on Port 445(SMB)
2020-08-19 20:23:37
122.51.95.85 attackbots
Automatic report - Banned IP Access
2020-08-19 19:42:42
213.6.8.38 attackbots
SSH auth scanning - multiple failed logins
2020-08-19 19:48:29
182.23.81.86 attackbots
Unauthorized connection attempt from IP address 182.23.81.86 on Port 445(SMB)
2020-08-19 19:50:41

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