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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: S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA · Clear
Snapshot 2026-03-11 Results 6 Page 1 / 1

170.238.174.0/24

Risk Max — LOW Footprint 3.125% Hits 8
Prefix / IP version
/24 · IPv4
Network
170.238.174.0
Broadcast
170.238.174.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
-22.7539 , -43.45190000000001
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS262485 · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top organization / ISP
Arcc RIO Telecom Provedor De Internet Eireli · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top geo
Brazil · Rio de Janeiro · Nova Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

170.238.172.0/24

Risk Max — LOW Footprint 2.344% Hits 9
Prefix / IP version
/24 · IPv4
Network
170.238.172.0
Broadcast
170.238.172.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-22.776533333333337 , -43.43727777777779
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS262485 · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top organization / ISP
S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top geo
Brazil · Rio de Janeiro · Mesquita
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.118.88.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
138.118.88.0
Broadcast
138.118.88.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-22.8051 , -43.3686
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS262485 · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top organization / ISP
NAVEGUE.COM SERVICOS DE TELECOMUNICACOES LTDA · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top geo
Brazil · Rio de Janeiro · São João de Meriti
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.66.1.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
177.66.1.0
Broadcast
177.66.1.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS262485 · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top organization / ISP
Palhada Wifi Servicos Telecomunicacoes E I Ltda · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top geo
Brazil · Rio de Janeiro · Nova Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.66.3.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
177.66.3.0
Broadcast
177.66.3.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS262485 · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top organization / ISP
Palhada Wifi Servicos Telecomunicacoes E I Ltda · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top geo
Brazil · Rio de Janeiro · Nova Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.7.18.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.7.18.0
Broadcast
191.7.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS262485 · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top organization / ISP
Inobile Telecom · S.C. RIO TELECOMUNICACOES E INFORMATICA LTDA
Top geo
Brazil · Rio de Janeiro · Nova Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →