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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.

181.20.81.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.20.81.0
Broadcast
181.20.81.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.172.115.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.172.115.0
Broadcast
190.172.115.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7198 , -58.4089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.172.100.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.172.100.0
Broadcast
190.172.100.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7198 , -58.4089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.139.21.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.139.21.0
Broadcast
190.139.21.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-33.3344 , -60.2262
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.20.2.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.20.2.0
Broadcast
181.20.2.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7691 , -58.6481
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.132.99.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.132.99.0
Broadcast
186.132.99.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.134.206.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.134.206.0
Broadcast
186.134.206.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.4615 , -58.9319
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.128.229.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.128.229.0
Broadcast
186.128.229.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.8488 , -58.3955
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

45.231.225.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.231.225.0
Broadcast
45.231.225.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.5029 , -58.7512
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

179.37.51.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
179.37.51.0
Broadcast
179.37.51.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.704 , -58.5291
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

38.17.0.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
38.17.0.0
Broadcast
38.17.0.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
AS52419 · CESOP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

170.247.143.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.247.143.0
Broadcast
170.247.143.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-36.9018 , -60.2855
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
AS263244 · Iperactive SA
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.20.156.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.20.156.0
Broadcast
181.20.156.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7503 , -58.5827
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

179.37.34.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
179.37.34.0
Broadcast
179.37.34.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6805 , -58.4944
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

179.37.32.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
179.37.32.0
Broadcast
179.37.32.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.69225 , -58.51175
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.20.121.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.20.121.0
Broadcast
181.20.121.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

179.37.25.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
179.37.25.0
Broadcast
179.37.25.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.704 , -58.5291
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.132.78.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.132.78.0
Broadcast
186.132.78.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.132.54.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.132.54.0
Broadcast
186.132.54.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.132.51.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.132.51.0
Broadcast
186.132.51.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

138.219.249.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.219.249.0
Broadcast
138.219.249.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.719 , -58.6138
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.132.48.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.132.48.0
Broadcast
186.132.48.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.132.12.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.132.12.0
Broadcast
186.132.12.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.12.108.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.12.108.0
Broadcast
190.12.108.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6069 , -58.5639
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS11014 · CPS
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

45.228.56.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.228.56.0
Broadcast
45.228.56.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7198 , -58.4089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
AS262196 · Interface
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.180.36.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.180.36.0
Broadcast
201.180.36.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.23.57.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.23.57.0
Broadcast
186.23.57.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.76415 , -58.30525
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.90.140.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.90.140.0
Broadcast
181.90.140.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-33.3344 , -60.2262
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.23.82.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.23.82.0
Broadcast
186.23.82.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.4615 , -58.9319
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.98.225.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.98.225.0
Broadcast
181.98.225.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.5407 , -58.5625
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.105.77.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.105.77.0
Broadcast
190.105.77.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.5029 , -58.7512
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
AS27984 · Ver Tv S.A.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.92.135.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.92.135.0
Broadcast
181.92.135.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-33.3344 , -60.2262
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

149.78.133.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
149.78.133.0
Broadcast
149.78.133.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.82 , -58.4016
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.129.220.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.129.220.0
Broadcast
186.129.220.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6207 , -58.9599
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

138.122.159.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.122.159.0
Broadcast
138.122.159.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.642 , -60.4711
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.180.42.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.180.42.0
Broadcast
201.180.42.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.188.161.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.188.161.0
Broadcast
190.188.161.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-36.3354 , -57.6653
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.188.186.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.188.186.0
Broadcast
190.188.186.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7198 , -58.4089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.18.233.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.18.233.0
Broadcast
190.18.233.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.184.249.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.184.249.0
Broadcast
190.184.249.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
AS262196 · Interface
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
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