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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: Optical Structural Network Ltd. · Clear
Snapshot 2026-03-04 Results 3 Page 1 / 1

109.121.154.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.121.154.0
Broadcast
109.121.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7631 , 23.1973
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS39246 · Liulin Net Ltd.
Top organization / ISP
Lyulinnet · Optical Structural Network Ltd.
Top geo
Bulgaria · Sofia · Bozhurishte
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

109.121.168.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.121.168.0
Broadcast
109.121.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.6826 , 23.3223
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS39246 · Liulin Net Ltd.
Top organization / ISP
Lyulinnet · Optical Structural Network Ltd.
Top geo
Bulgaria · Sofia-Capital · Sofia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

85.187.204.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.187.204.0
Broadcast
85.187.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.6977 , 23.3219
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS39246 · Liulin Net Ltd.
Top organization / ISP
Optical · Optical Structural Network Ltd.
Top geo
Bulgaria · Sofia-Capital · Sofia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →