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.
Search
Active filter:
Central Bohemia
·
Clear
Snapshot
2026-01-26
Results
19
Page
1
/
1
178.17.7.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.17.7.0
Broadcast
178.17.7.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.9627 , 14.5168
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-08-26 11:17 · 2023-08-26 11:17
Top ASN
AS50825 ·
UVT Internet s.r.o.
Top organization / ISP
— ·
UVT Internet s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Jesenice
Window / Updated
2023-08-21 → 2023-08-28 · Updated
2026-01-14
· v2
Open report →
77.240.104.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
52
Prefix / IP version
/24 · IPv4
Network
77.240.104.0
Broadcast
77.240.104.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.782 , 14.1877
Hits / Errors
52
hits ·
0
errors
First / Last seen
2025-03-03 12:56 · 2025-03-03 23:49
Top ASN
AS42189 ·
Druzstvo EUROSIGNAL
Top organization / ISP
— ·
EUROSIGNAL
Top geo
Czechia
·
Central Bohemia
·
Dobříš
Window / Updated
2025-03-03 → 2025-03-10 · Updated
2026-01-14
· v2
Open report →
185.51.250.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
43
Prefix / IP version
/24 · IPv4
Network
185.51.250.0
Broadcast
185.51.250.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0869 , 14.1316
Hits / Errors
43
hits ·
1
errors
First / Last seen
2025-01-11 16:21 · 2025-01-11 17:49
Top ASN
AS62011 ·
UNHfree.net z.s.
Top organization / ISP
— ·
UNHfree.net z.s.
Top geo
Czechia
·
Central Bohemia
·
Unhošť
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
77.240.101.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
77.240.101.0
Broadcast
77.240.101.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.782 , 14.1877
Hits / Errors
4
hits ·
4
errors
First / Last seen
2024-02-16 19:50 · 2024-02-16 19:50
Top ASN
AS42189 ·
Druzstvo EUROSIGNAL
Top organization / ISP
Eurosignal
·
Druzstvo EUROSIGNAL
Top geo
Czechia
·
Central Bohemia
·
Dobříš
Window / Updated
2024-02-12 → 2024-02-19 · Updated
2026-01-14
· v2
Open report →
188.75.167.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
188.75.167.0
Broadcast
188.75.167.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.029 , 15.2057
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-05-29 00:48 · 2025-05-29 00:48
Top ASN
AS196735 ·
JON.CZ s.r.o.
Top organization / ISP
JON Cust BK Dynamic
·
JON.CZ s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Kolín
Window / Updated
2025-05-26 → 2025-06-02 · Updated
2026-01-14
· v2
Open report →
90.177.109.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
90.177.109.0
Broadcast
90.177.109.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.3507 , 14.47
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-03-28 23:35 · 2025-03-28 23:35
Top ASN
AS5610 ·
O2 Czech Republic, a.s.
Top organization / ISP
CZ.CZNET
·
Telefonica O2 Czech Republic, a.s.
Top geo
Czechia
·
Central Bohemia
·
Mělník
Window / Updated
2025-03-24 → 2025-03-31 · Updated
2026-01-14
· v2
Open report →
188.75.191.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
188.75.191.0
Broadcast
188.75.191.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.029 , 15.2057
Hits / Errors
2
hits ·
0
errors
First / Last seen
2024-10-12 20:21 · 2024-10-12 20:34
Top ASN
AS196735 ·
JON.CZ s.r.o.
Top organization / ISP
JON Master NAT
·
JON.CZ s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Kolín
Window / Updated
2024-10-07 → 2024-10-14 · Updated
2026-01-14
· v2
Open report →
178.209.137.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.209.137.0
Broadcast
178.209.137.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2247 , 14.8861
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-12-17 08:05 · 2025-12-17 08:05
Top ASN
AS15614 ·
Dragon Internet a.s.
Top organization / ISP
Dragon Internet a.s.
·
Dragon Internet
Top geo
Czechia
·
Central Bohemia
·
Milovice
Window / Updated
2025-12-15 → 2025-12-22 · Updated
2026-01-14
· v2
Open report →
185.160.20.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
185.160.20.0
Broadcast
185.160.20.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.956 , 14.746
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-11-25 18:52 · 2025-11-25 18:52
Top ASN
AS51661 ·
Allstar Net s.r.o.
Top organization / ISP
Futruy s.r.o.
·
Allstar Net s.r.o
Top geo
Czechia
·
Central Bohemia
·
Struhařov
Window / Updated
2025-11-24 → 2025-12-01 · Updated
2026-01-14
· v2
Open report →
185.159.92.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
185.159.92.0
Broadcast
185.159.92.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0311 , 13.8787
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-11-25 03:20 · 2025-11-25 03:20
Top ASN
AS202556 ·
Blond & Brown s.r.o.
Top organization / ISP
SpolekKrivonet
·
Blond & Brown s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Křivoklát
Window / Updated
2025-11-24 → 2025-12-01 · Updated
2026-01-14
· v2
Open report →
217.11.244.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
217.11.244.0
Broadcast
217.11.244.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.9449 , 15.2676
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-11-06 17:53 · 2025-11-06 17:53
Top ASN
AS21430 ·
WIA spol. s.r.o.
Top organization / ISP
NM Mottl Kutna Hora
·
WIA spol. s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Kutná Hora
Window / Updated
2025-11-03 → 2025-11-10 · Updated
2026-01-14
· v2
Open report →
176.62.237.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
176.62.237.0
Broadcast
176.62.237.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.6987 , 14.1948
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-09-16 15:31 · 2025-09-16 15:31
Top ASN
AS49985 ·
IP4ISP z.s.p.o
Top organization / ISP
LuckyNet s.r.o.
·
IP4ISP z.s.p.o
Top geo
Czechia
·
Central Bohemia
·
Příbram
Window / Updated
2025-09-15 → 2025-09-22 · Updated
2026-01-14
· v2
Open report →
178.209.136.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.209.136.0
Broadcast
178.209.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2247 , 14.8861
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-09-12 21:02 · 2025-09-12 21:02
Top ASN
AS15614 ·
Dragon Internet a.s.
Top organization / ISP
Dragon Internet a.s.
·
Dragon Internet
Top geo
Czechia
·
Central Bohemia
·
Milovice
Window / Updated
2025-09-08 → 2025-09-15 · Updated
2026-01-14
· v2
Open report →
77.48.134.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
77.48.134.0
Broadcast
77.48.134.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.1851 , 14.6768
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-16 13:25 · 2025-08-16 13:25
Top ASN
AS16019 ·
Vodafone Czech Republic a.s.
Top organization / ISP
McFiber
·
Vodafone Czech Republic a.s.
Top geo
Czechia
·
Central Bohemia
·
Brandýs nad Labem-Stará Boleslav
Window / Updated
2025-08-11 → 2025-08-18 · Updated
2026-01-14
· v2
Open report →
185.64.41.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
185.64.41.0
Broadcast
185.64.41.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.1536 , 13.9055
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-04 22:21 · 2025-08-04 22:21
Top ASN
AS201727 ·
Blond & Brown s.r.o.
Top organization / ISP
BubakovEu
·
Blond & Brown s.r.o.
Top geo
Czechia
·
Central Bohemia
·
Nové Strašecí
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
188.75.133.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
188.75.133.0
Broadcast
188.75.133.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.029 , 15.2057
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-04-07 00:59 · 2025-04-07 00:59
Top ASN
AS196735 ·
JON.CZ s.r.o.
Top organization / ISP
— ·
JON.CZ Network
Top geo
Czechia
·
Central Bohemia
·
Kolín
Window / Updated
2025-03-31 → 2025-04-07 · Updated
2026-01-14
· v2
Open report →
77.240.99.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
77.240.99.0
Broadcast
77.240.99.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.782 , 14.1877
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-04-01 07:54 · 2025-04-01 07:54
Top ASN
AS42189 ·
Druzstvo EUROSIGNAL
Top organization / ISP
— ·
EUROSIGNAL
Top geo
Czechia
·
Central Bohemia
·
Dobříš
Window / Updated
2025-03-31 → 2025-04-07 · Updated
2026-01-14
· v2
Open report →
82.99.131.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
82.99.131.0
Broadcast
82.99.131.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2102 , 15.2994
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-03-26 00:11 · 2025-03-26 00:11
Top ASN
AS25248 ·
RADIOKOMUNIKACE a.s.
Top organization / ISP
Hi-next.cz S.R.O.
·
RADIOKOMUNIKACE a.s.
Top geo
Czechia
·
Central Bohemia
·
Městec Králové
Window / Updated
2025-03-24 → 2025-03-31 · Updated
2026-01-14
· v2
Open report →
83.208.252.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
83.208.252.0
Broadcast
83.208.252.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.1653 , 14.9411
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-01-01 00:47 · 2024-01-01 00:47
Top ASN
AS5610 ·
O2 Czech Republic, a.s.
Top organization / ISP
PROfi Internet AKTIV HD
·
O2 Czech Republic, a.s.
Top geo
Czechia
·
Central Bohemia
·
Hradišťko
Window / Updated
2024-01-01 → 2024-01-08 · Updated
2026-01-14
· v2
Open report →
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