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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: FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A. · Clear
Snapshot 2026-03-11 Results 4 Page 1 / 1

201.23.40.0/24

Risk Max — LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
201.23.40.0
Broadcast
201.23.40.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-1.345 , -48.4219
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS272710 · FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.
Top organization / ISP
SKY SERVIÇOS DE BANDA LARGA LTDA · Fibrasil Infraestrutura E Fibra Otica S.A
Top geo
Brazil · Pará · Belém
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

201.23.54.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.23.54.0
Broadcast
201.23.54.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-11.7605 , -55.4417
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
AS272710 · FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.
Top organization / ISP
Fibrasil Infraestrutura E Fibra Otica S.A · Fibrasil Infraestrutura E Fibra Otica S.A.
Top geo
Brazil · Mato Grosso · Sinop
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

201.23.55.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.23.55.0
Broadcast
201.23.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.1683 , -48.3264
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS272710 · FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.
Top organization / ISP
SKY SERVIÇOS DE BANDA LARGA LTDA · Fibrasil Infraestrutura E Fibra Otica S.A
Top geo
Brazil · Tocantins · Palmas
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

201.23.48.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.23.48.0
Broadcast
201.23.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-19.9877 , -43.8447
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS272710 · FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.
Top organization / ISP
SKY SERVIÇOS DE BANDA LARGA LTDA · Fibrasil Infraestrutura E Fibra Otica S.A
Top geo
Brazil · Minas Gerais · Nova Lima
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →