104.21.3.51 Threat Intelligence and Host Information
Jan 26, 2026
ipinfopage
General
IP Address
104.21.3.51
Location
Unknown
Network
AS13335
Threat Score
7/100
Attack Intelligence
Open Ports Detected
2052
Geographic Location
Country
Unknown
City
Unknown
Region
Unknown
Coordinates
0.0000, 0.0000
Geographic coordinates not available for this IP.
Network Information
ASN
AS13335
Organization
CLOUDFLARENET
Network
AS13335 CLOUDFLARENET
WHOIS Information
NetRange
104.16.0.0 - 104.31.255.255
CIDR
104.16.0.0/12
NetName
CLOUDFLARENET
NetHandle
NET-104-16-0-0-1
Parent
NET104 (NET-104-0-0-0-0)
NetType
Direct Allocation
OriginAS
Organization
Cloudflare, Inc. (CLOUD14)
RegDate
2010-07-09
Updated
2024-11-25
Comment
Geofeed: https://api.cloudflare.com/local-ip-ranges.csv
Ref
https://rdap.arin.net/registry/entity/CLOUD14
OrgName
Cloudflare, Inc.
OrgId
CLOUD14
Address
101 Townsend Street
City
San Francisco
StateProv
CA
PostalCode
94107
Country
US
OrgAbuseHandle
ABUSE2916-ARIN
OrgAbuseName
Abuse
OrgAbusePhone
+1-650-319-8930
OrgAbuseEmail
abuse@cloudflare.com
OrgAbuseRef
https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
- Country:
- Network:
- Noticed: 1 times
- Protocols Attacked: SSH
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Disclaimer
This page contains threat intelligence information for the IPv4 address 104.21.3.51 and was generated either as a result of observed malicious activity or as an information gathering exercise to assist with enrichment of security events and context. All information is gathered passively through aggregation of public sources, or observations through activity upon honeynets. The host score is calculated through a series of statistically weighted values and machine learning which takes into account metadata such as host information, frequency, volume and global distribution of malicious activity, association with other known malicious hosts or networks, proxying or anonymising behaviour such as with tor exit nodes, residential proxies or VPN services, and many other attributes. These values are historical and indicative only - and should not be taken to be an accurate representation of the users, businesses or networks in which they reside.