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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: Ōtsu · Clear
Snapshot 2026-03-08 Results 3 Page 1 / 1

153.194.219.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
153.194.219.0
Broadcast
153.194.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0012 , 135.8651
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 · Shiga · Ōtsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

180.17.129.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
180.17.129.0
Broadcast
180.17.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0104 , 135.8707
Hits / Errors
1 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 · Shiga · Ōtsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

121.85.103.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.85.103.0
Broadcast
121.85.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0104 , 135.8707
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS17511 · OPTAGE Inc.
Top organization / ISP
K-Opticom Corporation · OPTAGE Inc.
Top geo
Japan · Shiga · Ōtsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →