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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: Cilnet Comunicação e Informática S.A · Clear
Snapshot 2026-03-20 Results — Page 1 / 1

187.84.3.0/24

Risk Max — LOW Footprint 2.344% Hits 7
Prefix / IP version
/24 · IPv4
Network
187.84.3.0
Broadcast
187.84.3.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-23.355799999999995 , -47.85629999999999
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.243.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
189.28.243.0
Broadcast
189.28.243.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-23.48117142857143 , -47.44515714285715
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Sorocaba
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.244.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
189.28.244.0
Broadcast
189.28.244.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-23.46058 , -47.41557999999999
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Sorocaba
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.5.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
187.84.5.0
Broadcast
187.84.5.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.245.0/24

Risk Max — LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
189.28.245.0
Broadcast
189.28.245.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-23.4013 , -47.36125
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Sorocaba
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.7.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
187.84.7.0
Broadcast
187.84.7.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.6.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
187.84.6.0
Broadcast
187.84.6.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.4.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
187.84.4.0
Broadcast
187.84.4.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-11 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.1.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
187.84.1.0
Broadcast
187.84.1.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.246.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
189.28.246.0
Broadcast
189.28.246.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.3025 , -47.2707
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Itu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.0.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.84.0.0
Broadcast
187.84.0.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

187.84.2.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.84.2.0
Broadcast
187.84.2.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.3558 , -47.8563
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Tatuí
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.242.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
189.28.242.0
Broadcast
189.28.242.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.5001 , -47.4518
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Sorocaba
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.46.56.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.46.56.0
Broadcast
201.46.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.4708 , -48.424
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Angatuba
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.226.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.28.226.0
Broadcast
189.28.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.6293 , -46.6351
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · São Paulo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.51.223.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.51.223.0
Broadcast
189.51.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.1911 , -47.7734
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Cerquilho
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

189.28.247.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.28.247.0
Broadcast
189.28.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.3025 , -47.2707
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS28580 · Cilnet Comunicação e Informática S.A.
Top organization / ISP
Cilnet Comunicação e Informática S.A · CILNET Comunicacao e Informatica LTDA.
Top geo
Brazil · São Paulo · Itu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →