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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.

191.81.53.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.81.53.0
Broadcast
191.81.53.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.19.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.25.19.0
Broadcast
181.25.19.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.250.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.250.0
Broadcast
191.84.250.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.147.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.147.0
Broadcast
181.23.147.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.153.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.153.0
Broadcast
181.23.153.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.136.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.136.0
Broadcast
181.23.136.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.241.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.241.0
Broadcast
191.84.241.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.81.49.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.81.49.0
Broadcast
191.81.49.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.251.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.251.0
Broadcast
191.84.251.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

179.36.235.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
179.36.235.0
Broadcast
179.36.235.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.57.5.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.57.5.0
Broadcast
186.57.5.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.57.11.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.57.11.0
Broadcast
186.57.11.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.18.52.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
190.18.52.0
Broadcast
190.18.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

179.36.232.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
179.36.232.0
Broadcast
179.36.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.50.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.23.50.0
Broadcast
181.23.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8635 , -58.0188
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

200.55.120.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
200.55.120.0
Broadcast
200.55.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.191.168.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.191.168.0
Broadcast
190.191.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-01 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.50.76.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.50.76.0
Broadcast
190.50.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.191.163.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.191.163.0
Broadcast
190.191.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.127.187.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.127.187.0
Broadcast
186.127.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8635 , -58.0188
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.57.3.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.57.3.0
Broadcast
186.57.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.121.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.23.121.0
Broadcast
181.23.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.231.194.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.231.194.0
Broadcast
181.231.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

201.178.86.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
201.178.86.0
Broadcast
201.178.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8814 , -58.138200000000005
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.2.152.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.2.152.0
Broadcast
181.2.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9213 , -57.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.231.66.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.231.66.0
Broadcast
181.231.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.15.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.25.15.0
Broadcast
181.25.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.83.211.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
191.83.211.0
Broadcast
191.83.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.137.72.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.137.72.0
Broadcast
190.137.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9213 , -57.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.137.43.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.137.43.0
Broadcast
186.137.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.22.63.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.22.63.0
Broadcast
186.22.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.231.168.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.231.168.0
Broadcast
181.231.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.231.173.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.231.173.0
Broadcast
181.231.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

200.114.82.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
200.114.82.0
Broadcast
200.114.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9793 , -58.0935
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-02 02:00
Top ASN
AS28065 · CITARELLA S.A.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.247.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.247.0
Broadcast
191.84.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.81.146.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.81.146.0
Broadcast
191.81.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-01 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.171.57.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.171.57.0
Broadcast
181.171.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.169.67.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.169.67.0
Broadcast
181.169.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.2.158.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.2.158.0
Broadcast
181.2.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9213 , -57.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.85.147.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.85.147.0
Broadcast
181.85.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2