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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.

131.196.40.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
131.196.40.0
Broadcast
131.196.40.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS267388 · Voafibra Comunicacao
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.166.89.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
45.166.89.0
Broadcast
45.166.89.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS267960 · OSTEC PROVEDOR
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.232.185.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
45.232.185.0
Broadcast
45.232.185.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

131.196.41.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
131.196.41.0
Broadcast
131.196.41.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS267388 · Voafibra Comunicacao
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.183.128.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
45.183.128.0
Broadcast
45.183.128.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.8671 , -46.725125
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.216.223.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.216.223.0
Broadcast
186.216.223.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS52999 · START NETWORKS S/A
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.216.216.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.216.216.0
Broadcast
186.216.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52999 · START NETWORKS S/A
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.216.221.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.216.221.0
Broadcast
186.216.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52999 · START NETWORKS S/A
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.239.6.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.239.6.0
Broadcast
45.239.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.1339 , -38.4211
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS268349 · ALAGOINHAS TELECOM
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.185.78.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.185.78.0
Broadcast
45.185.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.216.222.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.216.222.0
Broadcast
186.216.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52999 · START NETWORKS S/A
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

201.46.164.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.46.164.0
Broadcast
201.46.164.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.166.91.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.166.91.0
Broadcast
45.166.91.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS267960 · OSTEC PROVEDOR
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.66.38.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.66.38.0
Broadcast
177.66.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52999 · START NETWORKS S/A
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.216.220.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.216.220.0
Broadcast
186.216.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.0049 , -38.3587
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52999 · START NETWORKS S/A
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2