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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.

181.21.51.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.51.0
Broadcast
181.21.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.174.75.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.174.75.0
Broadcast
190.174.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5029 , -58.7512
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.178.32.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.178.32.0
Broadcast
201.178.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6338 , -58.5631
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.176.78.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.176.78.0
Broadcast
190.176.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.5663 , -68.5301
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.21.63.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.63.0
Broadcast
181.21.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.22.125.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.22.125.0
Broadcast
181.22.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.177.207.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.177.207.0
Broadcast
190.177.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-38.9524 , -68.0642
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.172.37.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.172.37.0
Broadcast
190.172.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.0653 , -68.4712
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.121.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.121.0
Broadcast
190.173.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.178.228.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.178.228.0
Broadcast
201.178.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-37.9951 , -57.541
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.181.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.181.0
Broadcast
190.173.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6856 , -58.5604
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.174.235.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.174.235.0
Broadcast
190.174.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5106 , -58.7536
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.180.46.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.180.46.0
Broadcast
201.180.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.815 , -58.4693
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.178.194.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.178.194.0
Broadcast
201.178.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-37.9951 , -57.541
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.174.153.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.174.153.0
Broadcast
190.174.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.20.122.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.122.0
Broadcast
181.20.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.175.89.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.89.0
Broadcast
190.175.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7 , -58.5875
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.51.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.51.0
Broadcast
190.173.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.2991 , -66.3547
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.23.205.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.23.205.0
Broadcast
181.23.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6132 , -58.3772
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.177.74.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.177.74.0
Broadcast
201.177.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6947 , -58.6845
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.174.152.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.174.152.0
Broadcast
190.174.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

201.181.1.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.181.1.0
Broadcast
201.181.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.809 , -58.2762
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.175.64.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.64.0
Broadcast
190.175.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7 , -58.5875
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.207.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.207.0
Broadcast
190.173.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5996 , -58.6266
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.2.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.2.0
Broadcast
190.173.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6029 , -68.3356
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.175.71.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.71.0
Broadcast
190.175.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7 , -58.5875
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.18.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.18.0
Broadcast
190.173.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6029 , -68.3356
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.20.76.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.76.0
Broadcast
181.20.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

181.20.73.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.20.73.0
Broadcast
181.20.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.5224 , -58.7745
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.17.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.17.0
Broadcast
190.173.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6029 , -68.3356
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.175.88.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.88.0
Broadcast
190.175.88.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7 , -58.5875
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.150.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.150.0
Broadcast
190.173.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6856 , -58.5604
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.175.92.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.92.0
Broadcast
190.175.92.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7 , -58.5875
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.143.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.143.0
Broadcast
190.173.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6856 , -58.5604
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.138.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.138.0
Broadcast
190.173.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6856 , -58.5604
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.173.136.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.173.136.0
Broadcast
190.173.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6856 , -58.5604
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.176.117.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.176.117.0
Broadcast
190.176.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.5353 , -68.531
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.172.85.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.172.85.0
Broadcast
190.172.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7193 , -58.3343
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.172.84.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.172.84.0
Broadcast
190.172.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7193 , -58.3343
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.172.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.172.83.0
Broadcast
190.172.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7193 , -58.3343
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
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