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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: K2 Telecom e Multimidia LTDA ME · Clear
Snapshot 2026-02-10 Results 25 Page 1 / 1

191.241.64.0/24

Risk Max — LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
191.241.64.0
Broadcast
191.241.64.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.4907 , -44.1914
Hits / Errors
5 hits · 0 errors
First / Last seen
2025-09-14 01:50 · 2025-09-14 11:52
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Barra Mansa
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

201.33.165.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.33.165.0
Broadcast
201.33.165.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-22.4231 , -42.9661
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-07 02:04 · 2025-10-08 20:56
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
Cyborg Conect Eireli · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · São Pedro
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

191.241.69.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.241.69.0
Broadcast
191.241.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3082 , -42.0081
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-11 11:32 · 2025-10-11 11:32
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Macaé
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

138.204.66.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.204.66.0
Broadcast
138.204.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3135 , -42.8741
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-10 23:40 · 2025-10-10 23:40
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Teresópolis
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

191.241.71.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.241.71.0
Broadcast
191.241.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3082 , -42.0081
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-02 18:50 · 2025-10-02 18:50
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Macaé
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

201.33.160.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.160.0
Broadcast
201.33.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.6692 , -42.0761
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 16:43 · 2025-12-17 16:43
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
W M R TELECOM MANUTENCAO ELETRICA E ELETRONICA LTD · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Itaocara
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

191.241.70.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.70.0
Broadcast
191.241.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.5888 , -42.9784
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 08:26 · 2025-12-17 08:26
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Guapimirim
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

201.33.169.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.169.0
Broadcast
201.33.169.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3355 , -42.4967
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 04:34 · 2025-12-17 04:34
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
Optic Net Telecomunicações LTDA · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Nova Friburgo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

138.204.64.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.204.64.0
Broadcast
138.204.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3822 , -43.1591
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 04:34 · 2025-12-17 04:34
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Petrópolis
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

201.33.175.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.175.0
Broadcast
201.33.175.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.7486 , -41.8867
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-17 02:48 · 2025-12-17 02:48
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Armação dos Búzios
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

191.241.65.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.65.0
Broadcast
191.241.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.5888 , -42.9784
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 02:43 · 2025-12-17 02:43
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
Optic Net Telecomunicações LTDA · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Guapimirim
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

201.33.174.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.174.0
Broadcast
201.33.174.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.7486 , -41.8867
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 00:49 · 2025-12-17 00:49
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Armação dos Búzios
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

191.241.76.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.76.0
Broadcast
191.241.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.7886 , -43.3175
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 12:34 · 2025-12-14 12:34
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Duque de Caxias
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

191.241.66.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.66.0
Broadcast
191.241.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.8391 , -42.1067
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 11:06 · 2025-12-14 11:06
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · São Pedro da Aldeia
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

191.241.77.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.77.0
Broadcast
191.241.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.7701 , -42.0749
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 13:05 · 2025-11-06 13:05
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Itaocara
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

201.33.166.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.166.0
Broadcast
201.33.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.3163 , -40.3457
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 09:53 · 2025-11-06 09:53
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Espírito Santo · Vitória
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

201.33.167.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.167.0
Broadcast
201.33.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.3163 , -40.3457
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 02:39 · 2025-11-06 02:39
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Espírito Santo · Vitória
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

191.241.73.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.73.0
Broadcast
191.241.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3822 , -43.1591
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-28 02:24 · 2025-10-28 02:24
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
Serralink Servicos De Internet E Tecnologias DA I · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Petrópolis
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2
Open report →

191.241.79.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.79.0
Broadcast
191.241.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.5888 , -42.9784
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-14 07:41 · 2025-10-14 07:41
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
Opensat Soluções em segunça LTDA · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Guapimirim
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2
Open report →

191.241.72.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.72.0
Broadcast
191.241.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.3163 , -40.3457
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-05 21:03 · 2025-10-05 21:03
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Espírito Santo · Vitória
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

191.241.67.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.241.67.0
Broadcast
191.241.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.7523 , -41.3304
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-15 10:35 · 2025-09-15 10:35
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Campos dos Goytacazes
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

201.33.162.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.162.0
Broadcast
201.33.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4549 , -41.9531
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-06 06:26 · 2025-09-06 06:26
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Rio das Ostras
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2
Open report →

201.33.171.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.171.0
Broadcast
201.33.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0286 , -44.3341
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-06 00:38 · 2025-09-06 00:38
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Angra dos Reis
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2
Open report →

201.33.161.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.33.161.0
Broadcast
201.33.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4907 , -44.1914
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-24 17:52 · 2025-08-24 17:52
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Barra Mansa
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

45.164.113.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.164.113.0
Broadcast
45.164.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.3082 , -42.0081
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-17 16:12 · 2025-08-17 16:12
Top ASN
AS53181 · K2 Telecom e Multimidia LTDA ME
Top organization / ISP
K2 Telecom e Multimidia LTDA ME · K2 Telecom e Multimidia LTDA ME
Top geo
Brazil · Rio de Janeiro · Macaé
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →