133.51.158.28 Threat Intelligence and Host Information
Sep 08, 2026
ipinfopage
General
IP Address
133.51.158.28
Location
🇯🇵 Tsukuba, Japan
Network
AS37917
Threat Score
17/100
Geographic Location
Country
Japan
City
Tsukuba
Region
Ibaraki
Coordinates
36.0960, 140.1503
Network Information
ASN
AS37917
Organization
University of Tsukuba
Network
AS37917 University of Tsukuba
WHOIS Information
Network Information
[Last Update] 2015/06/22 09
38:06(JST)
Attack Logs
| Date | Target Location | Protocol | Link |
|---|---|---|---|
| 2026-09-04 | Vultrtokyo-Combined | MULTIPLE | View Log |
- Country: Japan
- Network:
- Noticed: 1 times
- Protocols Attacked: combined portscan
Disclaimer
This page contains threat intelligence information for the IPv4 address 133.51.158.28 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.