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Interesting Subnets

Directory of active subnets observed by Syndu. Each row is the latest cached SubnetSnapshot per subnet and includes: density, traffic, geo/ASN representatives, and risk distribution.
Active filter: Takasaki · Clear
Snapshot 2026-03-07 Results 3 Page 1 / 1

153.133.202.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.133.202.0
Broadcast
153.133.202.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.3369 , 139.0189
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Gunma · Takasaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

131.129.187.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.129.187.0
Broadcast
131.129.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.3369 , 139.0189
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Gunma · Takasaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

153.170.69.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.170.69.0
Broadcast
153.170.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.3369 , 139.0189
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Gunma · Takasaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →