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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.

87.244.212.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
87.244.212.0
Broadcast
87.244.212.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
48.444799999999994 , 18.904
Hits / Errors
6 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.203.0/24

Risk Max LOW Footprint 0.781% Hits 8
Prefix / IP version
/24 · IPv4
Network
87.244.203.0
Broadcast
87.244.203.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
49.3096 , 21.5755
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.210.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
87.244.210.0
Broadcast
87.244.210.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
48.7575 , 17.827
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

185.242.56.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
185.242.56.0
Broadcast
185.242.56.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
49.293 , 18.7866
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.205.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.244.205.0
Broadcast
87.244.205.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
49.2172 , 18.7244
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

185.218.31.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
185.218.31.0
Broadcast
185.218.31.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
49.1235 , 18.3241
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.37.85.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.37.85.0
Broadcast
212.37.85.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
48.6234 , 18.3853
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.6.32.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.6.32.0
Broadcast
212.6.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.884899999999995 , 18.0335
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

217.119.124.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
217.119.124.0
Broadcast
217.119.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.5353 , 21.0739
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.226.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.244.226.0
Broadcast
87.244.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.5739 , 19.955
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.229.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.244.229.0
Broadcast
87.244.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8396 , 17.2266
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.230.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.244.230.0
Broadcast
87.244.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.30949999999999 , 21.1399
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.209.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.244.209.0
Broadcast
87.244.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1362 , 20.4239
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.148.45.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
91.148.45.0
Broadcast
91.148.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0643 , 18.9274
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-01 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.204.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.244.204.0
Broadcast
87.244.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2172 , 18.7244
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.235.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.244.235.0
Broadcast
87.244.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1362 , 20.4239
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.194.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.244.194.0
Broadcast
87.244.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8382 , 19.4582
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.195.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.244.195.0
Broadcast
87.244.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.7952 , 18.7176
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.255.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.244.255.0
Broadcast
87.244.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7177 , 18.2603
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.148.16.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.148.16.0
Broadcast
91.148.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0643 , 18.9274
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.244.199.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.244.199.0
Broadcast
87.244.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2995 , 20.6913
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

5.59.168.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
5.59.168.0
Broadcast
5.59.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9849 , 22.153
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

5.59.199.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
5.59.199.0
Broadcast
5.59.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.3964 , 18.829
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.148.36.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.148.36.0
Broadcast
91.148.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0643 , 18.9274
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.148.43.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.148.43.0
Broadcast
91.148.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0643 , 18.9274
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.148.49.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.148.49.0
Broadcast
91.148.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0643 , 18.9274
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS31117 · ENERGOTEL a.s.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2