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.
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Active filter:
Central Bohemia
·
Clear
Snapshot
2026-03-11
Results
10
Page
1
/
1
109.71.213.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
109.71.213.0
Broadcast
109.71.213.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
50.2309 , 14.0951
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS50163 ·
Altnet s.r.o.
Top organization / ISP
Altnet
·
Altnet s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Slaný
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.24.65.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
89.24.65.0
Broadcast
89.24.65.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2174 , 14.6288
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS13036 ·
T-Mobile Czech Republic a.s.
Top organization / ISP
TMCZ mobile
·
T-Mobile Czech Republic a.s.
Top geo
Czechia
·
Central Bohemia
·
Martinov
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
188.75.176.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
188.75.176.0
Broadcast
188.75.176.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.029 , 15.2057
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS196735 ·
JON.CZ s.r.o.
Top organization / ISP
Dobruska.net s.r.o.
·
JON.CZ Network
Top geo
Czechia
·
Central Bohemia
·
Kolín
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.221.245.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.221.245.0
Broadcast
37.221.245.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.9473 , 15.46
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS204666 ·
Jiri Tlapak
Top organization / ISP
Tlapnet s.r.o
·
Jiri Tlapak
Top geo
Czechia
·
Central Bohemia
·
Čáslav
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
90.183.251.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
90.183.251.0
Broadcast
90.183.251.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.137 , 14.7309
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
— ·
CZ.CZNET
Top geo
Czechia
·
Central Bohemia
·
Nehvizdy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
185.190.112.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
185.190.112.0
Broadcast
185.190.112.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2049 , 14.8333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS206287 ·
LysaFree, z.s.
Top organization / ISP
Lysafree
·
LysaFree, z.s.
Top geo
Czechia
·
Central Bohemia
·
Lysá nad Labem
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
212.79.96.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
212.79.96.0
Broadcast
212.79.96.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.1477 , 14.1005
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8251 ·
FreeTel, s.r.o.
Top organization / ISP
KLFREE NETWORKS, s.r.o
·
Neutral czFree eXchange members
Top geo
Czechia
·
Central Bohemia
·
Kladno
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
82.99.140.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
82.99.140.0
Broadcast
82.99.140.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2102 , 15.2994
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS25248 ·
RADIOKOMUNIKACE a.s.
Top organization / ISP
— ·
BlueTone-CRa
Top geo
Czechia
·
Central Bohemia
·
Městec Králové
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
185.68.164.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
185.68.164.0
Broadcast
185.68.164.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.1108 , 13.7661
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS201625 ·
United Networks SE
Top organization / ISP
— ·
Aitex s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Rakovník
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
188.75.149.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
188.75.149.0
Broadcast
188.75.149.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.029 , 15.2057
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS196735 ·
JON.CZ s.r.o.
Top organization / ISP
— ·
JON.CZ RT149
Top geo
Czechia
·
Central Bohemia
·
Kolín
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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