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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: Pereiro · Clear
Snapshot 2026-02-16 Results 6 Page 1 / 1

187.19.201.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.19.201.0
Broadcast
187.19.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-5.9767 , -38.4919
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 04:28 · 2025-11-06 04:28
Top ASN
AS28126 · BRISANET SERVICOS DE TELECOMUNICACOES S.A
Top organization / ISP
Brisanet Servicos De Telecomunicacoes S.A · Brisanet Servicos De Telecomunicacoes S.A
Top geo
Brazil · Ceará · Pereiro
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

177.37.165.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.37.165.0
Broadcast
177.37.165.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.04363 , -38.4607
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-05 22:59 · 2025-10-05 22:59
Top ASN
AS28126 · BRISANET SERVICOS DE TELECOMUNICACOES S.A
Top organization / ISP
Brisanet Servicos De Telecomunicacoes S.A · Brisanet Servicos De Telecomunicacoes S.A
Top geo
Brazil · Ceará · Pereiro
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

187.19.194.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.19.194.0
Broadcast
187.19.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-5.9767 , -38.4919
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-05 14:22 · 2025-10-05 14:22
Top ASN
AS28126 · BRISANET SERVICOS DE TELECOMUNICACOES S.A
Top organization / ISP
Levi Ferreira da Silva - ME · Brisanet Servicos De Telecomunicacoes S.A
Top geo
Brazil · Ceará · Pereiro
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

187.19.166.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.19.166.0
Broadcast
187.19.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.04363 , -38.4607
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-08 03:12 · 2025-09-08 03:12
Top ASN
AS28126 · BRISANET SERVICOS DE TELECOMUNICACOES S.A
Top organization / ISP
Brisanet Servicos De Telecomunicacoes S.A · Brisanet Servicos De Telecomunicacoes S.A
Top geo
Brazil · Ceará · Pereiro
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

187.19.198.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.19.198.0
Broadcast
187.19.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.04363 , -38.4607
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-26 19:37 · 2025-08-26 19:37
Top ASN
AS28126 · BRISANET SERVICOS DE TELECOMUNICACOES S.A
Top organization / ISP
Brisanet Servicos De Telecomunicacoes S.A · Brisanet Servicos De Telecomunicacoes S.A
Top geo
Brazil · Ceará · Pereiro
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2
Open report →

177.37.166.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.37.166.0
Broadcast
177.37.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.04363 , -38.4607
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-07-18 08:25 · 2025-07-18 08:25
Top ASN
AS28126 · BRISANET SERVICOS DE TELECOMUNICACOES S.A
Top organization / ISP
Brisanet Servicos De Telecomunicacoes S.A · Brisanet Servicos De Telecomunicacoes S.A
Top geo
Brazil · Ceará · Pereiro
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2
Open report →