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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: Sertaonet Internet Provider LTDA-ME · Clear
Snapshot 2026-01-25 Results 6 Page 1 / 1

177.155.237.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
177.155.237.0
Broadcast
177.155.237.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-1.7670000000000001 , -47.4204
Hits / Errors
3 hits · 3 errors
First / Last seen
2025-09-10 23:52 · 2025-09-12 14:01
Top ASN
AS263620 · Sertaonet Internet Provider LTDA-ME
Top organization / ISP
Mavafe Telecomunicações LTDA · Sertaonet Internet Provider LTDA-ME
Top geo
Brazil · Pará · Irituia
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

177.155.239.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.155.239.0
Broadcast
177.155.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.4913 , -37.7885
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-18 00:02 · 2025-09-18 00:02
Top ASN
AS263620 · Sertaonet Internet Provider LTDA-ME
Top organization / ISP
IVI COMERCIO E SERVICOS DE INFORMATICA LTDA ME · Sertaonet Internet Provider LTDA-ME
Top geo
Brazil · Paraíba · Juru
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

177.155.235.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.155.235.0
Broadcast
177.155.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.6363 , -46.5781
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-23 12:21 · 2025-07-23 12:21
Top ASN
AS263620 · Sertaonet Internet Provider LTDA-ME
Top organization / ISP
Sertaonet Internet Provider LTDA-ME · Sertaonet Internet Provider LTDA-ME
Top geo
Brazil · São Paulo · Sertãozinho
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

177.155.238.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.238.0
Broadcast
177.155.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.4913 , -37.7885
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-25 09:12 · 2025-11-25 09:12
Top ASN
AS263620 · Sertaonet Internet Provider LTDA-ME
Top organization / ISP
IVI COMERCIO E SERVICOS DE INFORMATICA LTDA ME · Sertaonet Internet Provider LTDA-ME
Top geo
Brazil · Paraíba · Juru
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

177.155.233.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.233.0
Broadcast
177.155.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.6363 , -46.5781
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-11 02:24 · 2025-09-11 02:24
Top ASN
AS263620 · Sertaonet Internet Provider LTDA-ME
Top organization / ISP
Sertaonet Internet Provider LTDA-ME · Sertaonet Internet Provider LTDA-ME
Top geo
Brazil · São Paulo · Sertãozinho
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

177.155.234.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.234.0
Broadcast
177.155.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.6363 , -46.5781
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-10 22:44 · 2025-09-10 22:44
Top ASN
AS263620 · Sertaonet Internet Provider LTDA-ME
Top organization / ISP
Sertaonet Internet Provider LTDA-ME · Sertaonet Internet Provider LTDA-ME
Top geo
Brazil · São Paulo · Sertãozinho
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →