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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.
Active filter: STIW Sistema de Telecom. Inf e Wireless LTDA · Clear
Snapshot 2026-03-03 Results 6 Page 1 / 1

143.137.156.0/24

Risk Max — LOW Footprint 4.297% Hits 21
Prefix / IP version
/24 · IPv4
Network
143.137.156.0
Broadcast
143.137.156.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
-17.687299999999997 , -42.5057
Hits / Errors
21 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263099 · STIW Sistema de Telecom. Inf e Wireless LTDA
Top organization / ISP
STIW Sistema de Telecom. Inf e Wireless LTDA · STIW Sistema de Telecom. Inf e Wireless LTDA
Top geo
Brazil · Minas Gerais · Capelinha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

143.137.159.0/24

Risk Max — LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
143.137.159.0
Broadcast
143.137.159.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
-17.74861428571429 , -43.01745714285715
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263099 · STIW Sistema de Telecom. Inf e Wireless LTDA
Top organization / ISP
STIW Sistema de Telecom. Inf e Wireless LTDA · STIW Sistema de Telecom. Inf e Wireless LTDA
Top geo
Brazil · Minas Gerais · Diamantina
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

186.225.181.0/24

Risk Max — LOW Footprint 2.344% Hits 9
Prefix / IP version
/24 · IPv4
Network
186.225.181.0
Broadcast
186.225.181.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-17.6873 , -42.5057
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263099 · STIW Sistema de Telecom. Inf e Wireless LTDA
Top organization / ISP
STIW Sistema de Telecom. Inf e Wireless LTDA · STIW Sistema de Telecom. Inf e Wireless LTDA
Top geo
Brazil · Minas Gerais · Capelinha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

186.225.177.0/24

Risk Max — LOW Footprint 1.953% Hits 8
Prefix / IP version
/24 · IPv4
Network
186.225.177.0
Broadcast
186.225.177.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-18.442875 , -42.619187499999995
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS263099 · STIW Sistema de Telecom. Inf e Wireless LTDA
Top organization / ISP
GSG INTERNET E TELECOMUNICACOES LTDA · STIW Sistema de Telecom. Inf e Wireless LTDA
Top geo
Brazil · Minas Gerais · Peçanha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

186.225.183.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.225.183.0
Broadcast
186.225.183.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-16.7158 , -42.3444
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
AS263099 · STIW Sistema de Telecom. Inf e Wireless LTDA
Top organization / ISP
STIW Sistema de Telecom. Inf e Wireless LTDA · STIW Sistema de Telecom. Inf e Wireless LTDA
Top geo
Brazil · Minas Gerais · Virgem da Lapa
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

143.137.158.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
143.137.158.0
Broadcast
143.137.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-17.1809 , -41.5496
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS263099 · STIW Sistema de Telecom. Inf e Wireless LTDA
Top organization / ISP
Jose Carlos Coelho De Matos · STIW Sistema de Telecom. Inf e Wireless LTDA
Top geo
Brazil · Minas Gerais · Caraí
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →