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: Kamiochiai · Clear

Snapshot 2026-03-05 Results 2 Page 1 / 1

153.134.21.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

153.134.21.0

Broadcast

153.134.21.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.8924 , 139.6224

Hits / Errors

3 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 · Saitama · Kamiochiai

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

133.32.218.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

133.32.218.0

Broadcast

133.32.218.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.723 , 139.6748

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS2519 · ARTERIA Networks Corporation