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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: Brno · Clear
Snapshot 2026-01-22 Results 23 Page 1 / 1

85.193.1.0/24

Risk Max — LOW Footprint 0.391% Hits 145
Prefix / IP version
/24 · IPv4
Network
85.193.1.0
Broadcast
85.193.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
145 hits · 7 errors
First / Last seen
2025-07-31 20:12 · 2025-07-31 21:08
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
Internethome Losan · O2 Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

94.112.166.0/24

Risk Max — LOW Footprint 0.391% Hits 101
Prefix / IP version
/24 · IPv4
Network
94.112.166.0
Broadcast
94.112.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
101 hits · 6 errors
First / Last seen
2025-03-15 17:19 · 2025-03-15 18:39
Top ASN
AS16019 · Vodafone Czech Republic a.s.
Top organization / ISP
UPC Ceska republika, a.s. · Vodafone Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2
Open report →

109.81.126.0/24

Risk Max — LOW Footprint 0.391% Hits 70
Prefix / IP version
/24 · IPv4
Network
109.81.126.0
Broadcast
109.81.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
70 hits · 0 errors
First / Last seen
2025-05-24 00:05 · 2025-05-24 00:19
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

85.193.35.0/24

Risk Max — LOW Footprint 0.391% Hits 26
Prefix / IP version
/24 · IPv4
Network
85.193.35.0
Broadcast
85.193.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
26 hits · 3 errors
First / Last seen
2024-12-12 23:19 · 2024-12-12 23:24
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
Internethome Losan · O2 Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2
Open report →

94.112.199.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
94.112.199.0
Broadcast
94.112.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.201 , 16.629
Hits / Errors
17 hits · 2 errors
First / Last seen
2025-02-10 20:41 · 2025-02-10 20:41
Top ASN
AS16019 · Vodafone Czech Republic a.s.
Top organization / ISP
UPC Ceska republika, a.s. · Vodafone Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2
Open report →

85.193.7.0/24

Risk Max — LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
85.193.7.0
Broadcast
85.193.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-05-29 13:12 · 2025-05-29 13:12
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
Internethome Losan · O2 Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2
Open report →

46.135.66.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
46.135.66.0
Broadcast
46.135.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-11-28 23:44 · 2024-11-28 23:52
Top ASN
AS16019 · Vodafone Czech Republic a.s.
Top organization / ISP
Vodafone Czech Republic a.s. · Vodafone Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

109.81.118.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
109.81.118.0
Broadcast
109.81.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-10-13 18:40 · 2024-10-13 18:41
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · South Moravian · Brno
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
Open report →

109.81.116.0/24

Risk Max — LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
109.81.116.0
Broadcast
109.81.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
8 hits · 6 errors
First / Last seen
2024-11-20 17:41 · 2024-11-20 17:41
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · South Moravian · Brno
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →

109.81.117.0/24

Risk Max — LOW Footprint 0.391% Hits 3
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
3 hits · 2 errors
First / Last seen
2023-12-19 14:20 · 2023-12-19 14:20
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · South Moravian · Brno
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2
Open report →

85.71.29.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
85.71.29.0
Broadcast
85.71.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2127 , 16.6117
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-15 11:12 · 2025-09-15 11:12
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
xDSL services · Telefonica O2 Czech Republic, a.s.
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

31.184.236.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
31.184.236.0
Broadcast
31.184.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1951 , 16.6068
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-21 15:26 · 2025-08-21 15:26
Top ASN
AS198620 · Bralu Jurjanu biedriba
Top organization / ISP
Makis Systems Ltd · Bralu Jurjanu biedriba
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

77.240.183.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
77.240.183.0
Broadcast
77.240.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2127 , 16.6117
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-06-25 02:54 · 2025-06-25 04:55
Top ASN
AS24641 · FASTER CZ spol. s r.o.
Top organization / ISP
NetDataComm · FASTER CZ spol. s r.o.
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2
Open report →

77.240.190.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
77.240.190.0
Broadcast
77.240.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1633 , 16.5741
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-04-29 19:54 · 2025-04-29 19:54
Top ASN
AS24641 · FASTER CZ spol. s r.o.
Top organization / ISP
— · NetDataComm
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2
Open report →

77.240.187.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
77.240.187.0
Broadcast
77.240.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-04-17 07:52 · 2025-04-20 04:22
Top ASN
AS24641 · FASTER CZ spol. s r.o.
Top organization / ISP
FASTER CZ spol. s r.o · FASTER CZ spol. s r.o.
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2
Open report →

109.81.125.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.81.125.0
Broadcast
109.81.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-04-13 23:38 · 2025-04-13 23:40
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · FIX BB Czechia-vl
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2
Open report →

147.251.58.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
147.251.58.0
Broadcast
147.251.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-12-27 18:41 · 2024-12-27 18:41
Top ASN
AS2852 · CESNET z.s.p.o.
Top organization / ISP
Masarykova univerzita - Ustav vypocetni techniky · CESNET z.s.p.o.
Top geo
Czechia · South Moravian · Brno
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2
Open report →

85.193.39.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.193.39.0
Broadcast
85.193.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 23:29 · 2025-12-14 23:29
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
— · Internethome Losan
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

85.193.38.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.193.38.0
Broadcast
85.193.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-06 12:42 · 2025-10-06 12:42
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
LOSAN internet s.r.o. · Internethome Losan
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

109.183.185.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.183.185.0
Broadcast
109.183.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2185 , 16.6389
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-28 23:51 · 2025-09-28 23:51
Top ASN
AS13036 · T-Mobile Czech Republic a.s.
Top organization / ISP
T-Mobile Czech Republic a.s. · T-Mobile Czech Republic
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

94.241.72.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
94.241.72.0
Broadcast
94.241.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2127 , 16.6117
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-22 19:52 · 2025-09-22 19:52
Top ASN
AS42908 · ORIGINAL AS CZ-NORDICTELECOMREGIONAL
Top organization / ISP
— · MOBILKOM
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

176.74.136.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.74.136.0
Broadcast
176.74.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1953 , 16.6016
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-06 04:02 · 2025-09-06 04:02
Top ASN
AS35613 · FASTER CZ spol. s r.o.
Top organization / ISP
NetDataComm, s.r.o. · FASTER CZ spol. s r.o.
Top geo
Czechia · South Moravian · Brno
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2
Open report →

194.15.113.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
194.15.113.0
Broadcast
194.15.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2105 , 16.5693
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-08-25 06:37 · 2023-08-25 06:37
Top ASN
AS213354 · INTERNATIONAL HOSTING SOLUTIONS LLP
Top organization / ISP
International Hosting Solutions · International Hosting Solutions LLP
Top geo
Czechia · South Moravian · Brno
Window / Updated
2023-08-21 → 2023-08-28 · Updated 2026-01-14 · v2
Open report →