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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.

181.28.142.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.28.142.0
Broadcast
181.28.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.3999 , -64.5143
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.29.138.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.29.138.0
Broadcast
181.29.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.3.16.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.3.16.0
Broadcast
181.3.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.30.23.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.30.23.0
Broadcast
181.30.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.8681 , -61.5293
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.4.163.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.4.163.0
Broadcast
181.4.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.4727 , -58.5243
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.4.31.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.4.31.0
Broadcast
181.4.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.4057 , -64.1849
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.5.221.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.5.221.0
Broadcast
181.5.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.8.130.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.8.130.0
Broadcast
181.8.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.81.120.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.81.120.0
Broadcast
181.81.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.81.94.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.81.94.0
Broadcast
181.81.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.7204 , -57.0826
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.84.97.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.84.97.0
Broadcast
181.84.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-30.7344 , -64.7966
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.85.124.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.85.124.0
Broadcast
181.85.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7864 , -58.3703
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.85.80.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.85.80.0
Broadcast
181.85.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.2747 , -63.8092
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.86.124.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.86.124.0
Broadcast
181.86.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-24.7831 , -65.4111
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.87.104.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.87.104.0
Broadcast
181.87.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.4065 , -64.1885
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.87.131.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.87.131.0
Broadcast
181.87.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.87.136.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.87.136.0
Broadcast
181.87.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.87.82.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.87.82.0
Broadcast
181.87.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5752 , -58.4359
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.88.210.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.88.210.0
Broadcast
181.88.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.4685 , -58.8313
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.89.122.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.89.122.0
Broadcast
181.89.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5087 , -58.4803
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.89.136.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.89.136.0
Broadcast
181.89.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.4847 , -58.2205
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.89.193.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.89.193.0
Broadcast
181.89.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.4685 , -58.8313
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.89.93.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.89.93.0
Broadcast
181.89.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-30.7344 , -64.7966
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.9.209.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.9.209.0
Broadcast
181.9.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.7327 , -59.1099
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.9.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.9.211.0
Broadcast
181.9.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-35.4779 , -69.5852
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.9.226.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.9.226.0
Broadcast
181.9.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.954 , -60.6634
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.113.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.90.113.0
Broadcast
181.90.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.4685 , -58.8313
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.145.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.90.145.0
Broadcast
181.90.145.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.189 , -58.1826
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.210.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.90.210.0
Broadcast
181.90.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.254.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.90.254.0
Broadcast
181.90.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-38.5467 , -58.7528
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.46.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.90.46.0
Broadcast
181.90.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.0653 , -68.4712
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.72.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.90.72.0
Broadcast
181.90.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.801 , -64.9662
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.91.117.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.91.117.0
Broadcast
181.91.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.3344 , -60.2262
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.91.12.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.91.12.0
Broadcast
181.91.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5304 , -58.5506
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.91.154.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.91.154.0
Broadcast
181.91.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.4057 , -64.1849
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.91.28.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.91.28.0
Broadcast
181.91.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4694 , -65.7871
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.91.30.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.91.30.0
Broadcast
181.91.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4694 , -65.7871
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.92.158.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.92.158.0
Broadcast
181.92.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.0 , -59.9964
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.92.196.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.92.196.0
Broadcast
181.92.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.9309 , -57.9417
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.92.25.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.92.25.0
Broadcast
181.92.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-24.1815 , -65.2938
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
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