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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: FIX BB Czechia-vl · Clear
Snapshot 2026-03-21 Results — Page 1 / 1

109.81.124.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.124.0
Broadcast
109.81.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.9781 , 16.3865
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · Pardubický kraj · Ústí nad Orlicí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

109.81.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.121.0
Broadcast
109.81.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.9781 , 16.3865
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · Pardubický kraj · Ústí nad Orlicí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

109.81.113.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.113.0
Broadcast
109.81.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.9781 , 16.3865
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · Pardubický kraj · Ústí nad Orlicí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

109.81.117.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.81.117.0
Broadcast
109.81.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · South Moravian · Brno
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →