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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.

181.22.159.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.22.159.0
Broadcast
181.22.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8643 , -58.0939
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.225.205.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.205.0
Broadcast
181.225.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.225.210.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.210.0
Broadcast
181.225.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.101.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.101.0
Broadcast
181.229.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.195.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.195.0
Broadcast
181.229.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.198.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.198.0
Broadcast
181.229.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-38.7176 , -62.2655
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.2.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.2.0
Broadcast
181.229.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.126.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.126.0
Broadcast
181.23.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.134.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.134.0
Broadcast
181.23.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.138.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.138.0
Broadcast
181.23.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.149.0
Broadcast
181.23.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.196.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.196.0
Broadcast
181.23.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.206.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.206.0
Broadcast
181.23.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5087 , -58.4803
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.227.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.227.0
Broadcast
181.23.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6811 , -58.5638
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.26.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.26.0
Broadcast
181.23.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8652 , -57.8857
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.3.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.3.0
Broadcast
181.23.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8652 , -57.8857
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.44.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.44.0
Broadcast
181.23.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8635 , -58.0188
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.47.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.47.0
Broadcast
181.23.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8635 , -58.0188
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.76.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.76.0
Broadcast
181.23.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.90.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.90.0
Broadcast
181.23.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.105.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.105.0
Broadcast
181.230.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.14.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.14.0
Broadcast
181.230.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.0 , -59.9964
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.230.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.230.0
Broadcast
181.230.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6031 , -58.5407
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.232.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.232.0
Broadcast
181.230.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7661 , -58.3957
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.65.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.65.0
Broadcast
181.230.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7795 , -58.4344
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.194.0/24

Risk Max LOW Footprint 0.391% Hits 1
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
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.226.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.226.0
Broadcast
181.231.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.0 , -59.9964
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.51.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.51.0
Broadcast
181.231.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.83.0
Broadcast
181.231.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.128.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.128.0
Broadcast
181.24.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7661 , -58.3957
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.238.11.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.238.11.0
Broadcast
181.238.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6811 , -58.5638
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.26.74.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.26.74.0
Broadcast
181.26.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8866 , -58.3834
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.26.80.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.26.80.0
Broadcast
181.26.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8866 , -58.3834
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.26.86.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.26.86.0
Broadcast
181.26.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8866 , -58.3834
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.26.89.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.26.89.0
Broadcast
181.26.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8866 , -58.3834
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.147.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.147.0
Broadcast
181.24.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7661 , -58.3957
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.158.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.158.0
Broadcast
181.24.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7661 , -58.3957
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.238.10.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.238.10.0
Broadcast
181.238.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-38.0004 , -57.5562
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.27.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.27.0
Broadcast
181.24.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9667 , -58.3667
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.30.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.30.0
Broadcast
181.24.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9667 , -58.3667
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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