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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.

181.169.253.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.169.253.0
Broadcast
181.169.253.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 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

179.36.233.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
179.36.233.0
Broadcast
179.36.233.255
Observed IPs / Subnet size
2 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
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.231.233.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.231.233.0
Broadcast
181.231.233.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 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

181.23.111.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.23.111.0
Broadcast
181.23.111.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.131.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.23.131.0
Broadcast
181.23.131.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 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

181.25.0.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.25.0.0
Broadcast
181.25.0.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 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

181.23.149.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.23.149.0
Broadcast
181.23.149.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
4 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

191.81.54.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
191.81.54.0
Broadcast
191.81.54.255
Observed IPs / Subnet size
2 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

179.36.239.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
179.36.239.0
Broadcast
179.36.239.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.81.50.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
191.81.50.0
Broadcast
191.81.50.255
Observed IPs / Subnet size
2 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
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.54.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.23.54.0
Broadcast
181.23.54.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.83.217.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
191.83.217.0
Broadcast
191.83.217.255
Observed IPs / Subnet size
2 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
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.140.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.23.140.0
Broadcast
181.23.140.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.9.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.25.9.0
Broadcast
181.25.9.255
Observed IPs / Subnet size
2 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

181.23.128.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.23.128.0
Broadcast
181.23.128.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 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

181.23.77.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.23.77.0
Broadcast
181.23.77.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 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

201.220.19.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
201.220.19.0
Broadcast
201.220.19.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS52413 · MADACOM SRL
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

138.118.51.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
138.118.51.0
Broadcast
138.118.51.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS52431 · CyberWave S.A.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.231.190.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.231.190.0
Broadcast
181.231.190.255
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 · 2026-03-02 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.27.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.25.27.0
Broadcast
181.25.27.255
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 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.6.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.25.6.0
Broadcast
181.25.6.255
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 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.57.6.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.57.6.0
Broadcast
186.57.6.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.240.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.240.0
Broadcast
191.84.240.255
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 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.252.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.252.0
Broadcast
191.84.252.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

143.208.36.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
143.208.36.0
Broadcast
143.208.36.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

179.36.234.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
179.36.234.0
Broadcast
179.36.234.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.116.95.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.116.95.0
Broadcast
181.116.95.255
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 · 2026-03-01 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.11.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.25.11.0
Broadcast
181.25.11.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-01 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.229.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.229.0
Broadcast
191.84.229.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.146.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.146.0
Broadcast
181.23.146.255
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 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.157.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.157.0
Broadcast
181.23.157.255
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 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.87.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.87.0
Broadcast
181.23.87.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.5.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.25.5.0
Broadcast
181.25.5.255
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 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.83.213.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.83.213.0
Broadcast
191.83.213.255
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 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

191.84.231.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.84.231.0
Broadcast
191.84.231.255
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 · 2026-02-28 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.132.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.132.0
Broadcast
181.23.132.255
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 · 2026-02-27 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.23.133.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.133.0
Broadcast
181.23.133.255
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

181.23.139.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.23.139.0
Broadcast
181.23.139.255
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 · 2026-02-27 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.25.16.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.25.16.0
Broadcast
181.25.16.255
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 · 2026-02-27 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