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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.

181.20.197.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.197.0
Broadcast
181.20.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7503 , -58.5827
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.213.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.213.0
Broadcast
181.20.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7503 , -58.5827
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.214.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.214.0
Broadcast
181.20.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7503 , -58.5827
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.45.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.45.0
Broadcast
181.20.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7193 , -58.3343
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.70.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.70.0
Broadcast
181.20.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.83.0
Broadcast
181.20.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.95.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.95.0
Broadcast
181.20.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.20.97.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.97.0
Broadcast
181.20.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.224.186.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.224.186.0
Broadcast
181.224.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.3656 , -56.7119
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS52453 · Atcco S.R.L.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.22.112.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.22.112.0
Broadcast
181.22.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.22.152.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.22.152.0
Broadcast
181.22.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8643 , -58.0939
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.224.187.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.224.187.0
Broadcast
181.224.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.3656 , -56.7119
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS52453 · Atcco S.R.L.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.224.118.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.224.118.0
Broadcast
181.224.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-37.838 , -58.2556
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS52279 · ETERNET S.R.L.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.232.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.232.0
Broadcast
181.229.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.24.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.24.0
Broadcast
181.229.24.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5752 , -58.4359
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.229.69.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.229.69.0
Broadcast
181.229.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.123.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.123.0
Broadcast
181.23.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.124.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.124.0
Broadcast
181.23.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.145.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.145.0
Broadcast
181.23.145.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.152.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.152.0
Broadcast
181.23.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.156.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.156.0
Broadcast
181.23.156.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.231.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.231.0
Broadcast
181.23.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6811 , -58.5638
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.255.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.255.0
Broadcast
181.23.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6031 , -58.5407
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.57.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.57.0
Broadcast
181.23.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8635 , -58.0188
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.89.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.89.0
Broadcast
181.23.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.23.93.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.93.0
Broadcast
181.23.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.211.0
Broadcast
181.230.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9117 , -60.0316
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.244.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.244.0
Broadcast
181.230.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6031 , -58.5407
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.248.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.248.0
Broadcast
181.230.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.2604
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.58.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.58.0
Broadcast
181.230.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.230.69.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.230.69.0
Broadcast
181.230.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.0 , -59.9964
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.171.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.171.0
Broadcast
181.231.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.174.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.174.0
Broadcast
181.231.174.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.213.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.213.0
Broadcast
181.231.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.4205 , -58.8725
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.231.250.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.231.250.0
Broadcast
181.231.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-38.7221 , -62.2858
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.232.237.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.232.237.0
Broadcast
181.232.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8428 , -58.5044
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.28.196.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.28.196.0
Broadcast
181.28.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-37.3154 , -59.1579
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.28.197.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.28.197.0
Broadcast
181.28.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-37.3154 , -59.1579
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.13.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.13.0
Broadcast
181.24.13.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9815 , -58.3804
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

181.24.14.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.24.14.0
Broadcast
181.24.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9667 , -58.3667
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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