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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: IIJ Internet · Clear
Snapshot 2026-03-07 Results 2 Page 1 / 1

210.138.148.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
210.138.148.0
Broadcast
210.138.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.5641 , 139.7184
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS2497 · Internet Initiative Japan Inc.
Top organization / ISP
IIJ Internet · Internet Initiative Japan Inc.
Top geo
Japan · Tokyo · Ōta
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

150.31.1.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
150.31.1.0
Broadcast
150.31.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8159 , 139.9364
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2497 · Internet Initiative Japan Inc.
Top organization / ISP
IIJ Internet · Internet Initiative Japan Inc.
Top geo
Japan · Chiba · Koganehara
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →