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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: Urayasu · Clear
Snapshot 2026-01-21 Results 2 Page 1 / 1

1.21.119.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
1.21.119.0
Broadcast
1.21.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6588 , 139.901
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-08-13 05:22 · 2025-08-13 05:23
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Chiba · Urayasu
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

122.134.4.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
122.134.4.0
Broadcast
122.134.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6481 , 139.9115
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-04 04:55 · 2025-04-04 04:55
Top ASN
AS2518 · BIGLOBE Inc.
Top organization / ISP
BIGLOBE · NEC BIGLOBE Ltd.
Top geo
Japan · Chiba · Urayasu
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2
Open report →