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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: Acaraú · Clear
Snapshot 2026-02-05 Results 15 Page 1 / 1

131.0.217.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
131.0.217.0
Broadcast
131.0.217.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-14.967974285714286 , -41.8716
Hits / Errors
7 hits · 0 errors
First / Last seen
2025-09-15 11:06 · 2025-09-21 08:02
Top ASN
AS28613 · HUGHES TELECOMUNICACOES DO BRASIL LTDA.
Top organization / ISP
Hughes Telecomunicacoes Do Brasil Ltda · Hughes Telecomunicacoes Do Brasil Ltda.
Top geo
Brazil · Minas Gerais · Santana do Acaraú
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

191.242.175.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.242.175.0
Broadcast
191.242.175.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-14 05:04 · 2025-12-14 07:55
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

191.242.172.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.242.172.0
Broadcast
191.242.172.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-02 20:52 · 2025-10-04 13:13
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

45.174.138.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.174.138.0
Broadcast
45.174.138.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-6.6268 , -35.2634
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-16 18:19 · 2025-09-20 01:42
Top ASN
AS268865 · ASLX PROVEDOR DE INTERNET EIRELI
Top organization / ISP
Aslx Provedor De Internet Eireli · Aslx Provedor De Internet Eirel1
Top geo
Brazil · Paraíba · Jacaraú
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

177.21.107.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.107.0
Broadcast
177.21.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 09:53 · 2025-12-17 09:53
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

45.174.137.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.174.137.0
Broadcast
45.174.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.6268 , -35.2634
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 08:44 · 2025-12-17 08:44
Top ASN
AS268865 · ASLX PROVEDOR DE INTERNET EIRELI
Top organization / ISP
Aslx Provedor De Internet Eireli · Aslx Provedor De Internet Eirel1
Top geo
Brazil · Paraíba · Jacaraú
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

191.242.174.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.242.174.0
Broadcast
191.242.174.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 07:37 · 2025-12-17 07:37
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

177.21.106.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.106.0
Broadcast
177.21.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 12:12 · 2025-12-14 12:12
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

191.242.173.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.242.173.0
Broadcast
191.242.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-30 11:24 · 2025-11-30 11:24
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

177.21.105.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.105.0
Broadcast
177.21.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 07:53 · 2025-11-06 07:53
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

177.21.104.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.104.0
Broadcast
177.21.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 02:38 · 2025-11-06 02:38
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

177.21.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.123.0
Broadcast
177.21.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-22 12:40 · 2025-09-22 12:40
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

45.174.136.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.174.136.0
Broadcast
45.174.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.6268 , -35.2634
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-21 15:53 · 2025-09-21 15:53
Top ASN
AS268865 · ASLX PROVEDOR DE INTERNET EIRELI
Top organization / ISP
Aslx Provedor De Internet Eireli · Aslx Provedor De Internet Eirel1
Top geo
Brazil · Paraíba · Jacaraú
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

177.21.110.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.110.0
Broadcast
177.21.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-28 04:30 · 2025-08-28 04:30
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2
Open report →

177.21.120.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.120.0
Broadcast
177.21.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.9542 , -40.086
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-01 03:40 · 2025-08-01 03:40
Top ASN
AS53246 · Cyber Info Provedor de Acesso LTDA ME
Top organization / ISP
Cyber Info Provedor de Acesso LTDA ME · Cyber Info Provedor de Acesso LTDA ME
Top geo
Brazil · Ceará · Acaraú
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →