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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: Westlink Tecnologia E Comunicacao Ltda. - ME · Clear
Snapshot 2026-02-15 Results 12 Page 1 / 1

170.247.40.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
170.247.40.0
Broadcast
170.247.40.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
5 hits · 0 errors
First / Last seen
2025-12-17 00:23 · 2025-12-17 18:35
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

138.97.67.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.97.67.0
Broadcast
138.97.67.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.8192 , -43.0402
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 05:24 · 2025-12-17 14:04
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · São Gonçalo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

170.233.243.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.233.243.0
Broadcast
170.233.243.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-25 07:33 · 2025-11-26 00:01
Top ASN
AS271293 · Navenet Informatica Ltda
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Navenet Informatica Ltda
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

45.237.72.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.237.72.0
Broadcast
45.237.72.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.9193 , -42.8206
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-06 11:44 · 2025-11-06 23:24
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

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 →

170.247.41.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.247.41.0
Broadcast
170.247.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-22 11:32 · 2025-09-22 11:32
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

138.186.237.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.186.237.0
Broadcast
138.186.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 23:38 · 2025-12-14 23:38
Top ASN
AS264527 · LRF CONECTIONS SERVICOS LTDA ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · LRF CONECTIONS SERVICOS LTDA ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

170.247.42.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.247.42.0
Broadcast
170.247.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 12:58 · 2025-12-14 12:58
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

138.186.238.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.186.238.0
Broadcast
138.186.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 21:34 · 2025-12-01 21:34
Top ASN
AS264527 · LRF CONECTIONS SERVICOS LTDA ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · LRF CONECTIONS SERVICOS LTDA ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

45.237.73.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.237.73.0
Broadcast
45.237.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-24 18:04 · 2025-11-24 18:04
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

45.237.74.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.237.74.0
Broadcast
45.237.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9193 , -42.8206
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 03:13 · 2025-11-06 03:13
Top ASN
AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · Westlink Tecnologia E Comunicacao Ltda. - ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

138.0.7.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.0.7.0
Broadcast
138.0.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-22 13:42 · 2025-09-22 13:42
Top ASN
AS264527 · LRF CONECTIONS SERVICOS LTDA ME
Top organization / ISP
Westlink Tecnologia E Comunicacao Ltda. - ME · LRF CONECTIONS SERVICOS LTDA ME
Top geo
Brazil · Rio de Janeiro · Maricá
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →