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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: Japan nation-wide Network of SOFTBANK BB Corp. · Clear
Snapshot 2026-01-21 Results 2 Page 1 / 1

218.183.84.0/24

Risk Max — LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
218.183.84.0
Broadcast
218.183.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6629 , 139.761
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-07-09 11:40 · 2025-07-09 11:40
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Japan Nation-wide Network of Softbank BB Corp. · SoftBank Corp.
Top geo
Japan · Tokyo · Minato
Window / Updated
2025-07-07 → 2025-07-14 · Updated 2026-01-14 · v2
Open report →

221.71.210.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
221.71.210.0
Broadcast
221.71.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6629 , 139.761
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-03-03 17:07 · 2025-03-03 17:21
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Japan nation-wide Network of SOFTBANK BB Corp. · SoftBank Corp.
Top geo
Japan · Tokyo · Minato
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →