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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: Jihočeský kraj · Clear
Snapshot 2026-02-07 Results 8 Page 1 / 1

31.31.73.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
31.31.73.0
Broadcast
31.31.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0524 , 14.4347
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-05-23 15:29 · 2025-05-23 15:29
Top ASN
AS197019 · WEDOS Internet, a.s.
Top organization / ISP
WEDOS hosting services · WEDOS Internet
Top geo
Czechia · Jihočeský kraj · Hluboká nad Vltavou
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

109.164.53.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.164.53.0
Broadcast
109.164.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9746 , 14.4679
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 08:30 · 2025-12-14 08:30
Top ASN
AS44489 · STARNET, s.r.o.
Top organization / ISP
STARNET, s.r.o. · STARNET, s.r.o.
Top geo
Czechia · Jihočeský kraj · České Budějovice
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

109.164.52.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.164.52.0
Broadcast
109.164.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9746 , 14.4679
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 07:45 · 2025-12-14 07:45
Top ASN
AS44489 · STARNET, s.r.o.
Top organization / ISP
STARNET, s.r.o. · STARNET, s.r.o.
Top geo
Czechia · Jihočeský kraj · České Budějovice
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

109.164.50.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.164.50.0
Broadcast
109.164.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9746 , 14.4679
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-12 13:35 · 2025-11-12 13:35
Top ASN
AS44489 · STARNET, s.r.o.
Top organization / ISP
STARNET, s.r.o. · STARNET, s.r.o.
Top geo
Czechia · Jihočeský kraj · České Budějovice
Window / Updated
2025-11-10 → 2025-11-17 · Updated 2026-01-14 · v2
Open report →

109.164.108.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.164.108.0
Broadcast
109.164.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0163 , 14.5058
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-11 06:33 · 2025-10-11 06:33
Top ASN
AS44489 · STARNET, s.r.o.
Top organization / ISP
Starnet CZ · STARNET, s.r.o.
Top geo
Czechia · Jihočeský kraj · České Budějovice
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

89.203.224.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.203.224.0
Broadcast
89.203.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8953 , 14.5691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-23 12:45 · 2025-07-23 12:45
Top ASN
AS25512 · CD-Telematika a.s.
Top organization / ISP
Southgatecz CDT · CD-Telematika a.s.
Top geo
Czechia · Jihočeský kraj · Strážkovice
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

193.165.66.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
193.165.66.0
Broadcast
193.165.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4131 , 14.652
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-21 12:19 · 2025-04-21 12:19
Top ASN
AS30764 · PODA a.s.
Top organization / ISP
Poda · PODA a.s.
Top geo
Czechia · Jihočeský kraj · Tábor
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2
Open report →

85.163.0.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.163.0.0
Broadcast
85.163.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8456 , 14.6452
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-06 10:58 · 2023-11-06 10:58
Top ASN
AS28725 · CETIN a.s.
Top organization / ISP
Ceska Telekomunikacni Infrastruktura · CETIN
Top geo
Czechia · Jihočeský kraj · Trhové Sviny
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2
Open report →