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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: Telecom Conectividade · Clear
Snapshot 2026-01-27 Results 4 Page 1 / 1

191.243.75.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.243.75.0
Broadcast
191.243.75.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.4861 , -42.7133
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-06 07:13 · 2025-11-06 09:05
Top ASN
AS263499 · Telecom Conectividade
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Telecom Conectividade
Top geo
Brazil · Rio de Janeiro · Cachoeiras de Macacu
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

191.243.78.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.243.78.0
Broadcast
191.243.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4861 , -42.7133
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 01:13 · 2025-12-17 01:13
Top ASN
AS263499 · Telecom Conectividade
Top organization / ISP
Telecom Conectividade · Telecom Conectividade
Top geo
Brazil · Rio de Janeiro · Cachoeiras de Macacu
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

191.243.73.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.243.73.0
Broadcast
191.243.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4861 , -42.7133
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-26 04:04 · 2025-11-26 04:04
Top ASN
AS263499 · Telecom Conectividade
Top organization / ISP
Telecom Conectividade · Telecom Conectividade
Top geo
Brazil · Rio de Janeiro · Cachoeiras de Macacu
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

191.243.79.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.243.79.0
Broadcast
191.243.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4861 , -42.7133
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-21 00:52 · 2025-09-21 00:52
Top ASN
AS263499 · Telecom Conectividade
Top organization / ISP
Telecom Conectividade · Telecom Conectividade
Top geo
Brazil · Rio de Janeiro · Cachoeiras de Macacu
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →