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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: CGN FIX Broadband Praha-vl · Clear
Snapshot 2026-03-07 Results 3 Page 1 / 1

109.81.171.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.171.0
Broadcast
109.81.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.0766 , 14.4464
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
CGN FIX Broadband Praha-vl · O2 Czech Republic a.s.
Top geo
Czechia · Prague · Prague
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

109.81.163.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.163.0
Broadcast
109.81.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.0883 , 14.4124
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
CGN FIX Broadband Praha-vl · O2 Czech Republic a.s.
Top geo
Czechia · Prague · Prague
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

109.81.166.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.166.0
Broadcast
109.81.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1242 , 14.398
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
CGN FIX Broadband Praha-vl · O2 Czech Republic a.s.
Top geo
Czechia · Prague · Prague
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →