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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: Open Data Network · Clear
Snapshot 2026-01-20 Results 5 Page 1 / 1

219.67.166.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
219.67.166.0
Broadcast
219.67.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.663 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-24 10:56 · 2023-07-24 10:56
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Open Data Network · SoftBank Corp.
Top geo
Japan · Tokyo · Minato
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2
Open report →

218.46.18.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
218.46.18.0
Broadcast
218.46.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-02 08:42 · 2023-07-02 08:42
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Open Data Network · Open Data Network
Top geo
Japan · Tokyo · Chiyoda City
Window / Updated
2023-06-26 → 2023-07-03 · Updated 2026-01-14 · v2
Open report →

219.67.76.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
219.67.76.0
Broadcast
219.67.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.663 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-06-19 04:57 · 2023-06-19 04:57
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Open Data Network · SoftBank Corp.
Top geo
Japan · Tokyo · Minato
Window / Updated
2023-06-19 → 2023-06-26 · Updated 2026-01-14 · v2
Open report →

219.66.148.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
219.66.148.0
Broadcast
219.66.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.663 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-06-17 08:34 · 2023-06-17 08:34
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Open Data Network · SoftBank Corp.
Top geo
Japan · Tokyo · Minato
Window / Updated
2023-06-12 → 2023-06-19 · Updated 2026-01-14 · v2
Open report →

218.46.191.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
218.46.191.0
Broadcast
218.46.191.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-09-10 14:18 · 2025-09-11 12:06
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Open Data Network · Open Data Network
Top geo
Japan · Tokyo · Chiyoda City
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →