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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: Arras · Clear
Snapshot 2026-03-06 Results 22 Page 1 / 1

170.233.238.0/24

Risk Max — LOW Footprint 3.125% Hits 15
Prefix / IP version
/24 · IPv4
Network
170.233.238.0
Broadcast
170.233.238.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
-31.8461 , -52.55319999999999
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS265098 · Oria Eliza Hugo Carrasco-ME
Top organization / ISP
Oria Eliza Hugo Carrasco-ME · Oria Eliza Hugo Carrasco-ME
Top geo
Brazil · Rio Grande do Sul · Capão do Leão
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

24.152.25.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
24.152.25.0
Broadcast
24.152.25.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-4.028457142857143 , -42.4048
Hits / Errors
7 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS270501 · HORUS TELECOMUNICACOES EIRELI
Top organization / ISP
Horus Telecomunicacoes Eireli · Horus Telecomunicacoes Eireli
Top geo
Brazil · Piauí · Barras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

200.13.86.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
200.13.86.0
Broadcast
200.13.86.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.0726 , -42.5279
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS270440 · Markan comercio e serviços EIRELI-ME
Top organization / ISP
DMZ NET LTDA · Markan comercio e serviços EIRELI-ME
Top geo
Brazil · Rio de Janeiro · Duas Barras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

186.208.218.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
186.208.218.0
Broadcast
186.208.218.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-26.7558 , -48.7459
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS28577 · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top organization / ISP
AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.99.54.0/24

Risk Max — LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
138.99.54.0
Broadcast
138.99.54.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-26.755800000000004 , -48.7459
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS28577 · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top organization / ISP
AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.99.52.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
138.99.52.0
Broadcast
138.99.52.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-26.7558 , -48.74589999999999
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS28577 · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top organization / ISP
AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.185.69.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
138.185.69.0
Broadcast
138.185.69.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-4.1322 , -42.3136
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS270919 · VIANET TELECOM LTDA
Top organization / ISP
Vianet Telecom Ltda · Vianet Telecom Ltda
Top geo
Brazil · Piauí · Barras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.99.53.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
138.99.53.0
Broadcast
138.99.53.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-26.7558 , -48.7459
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS28577 · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top organization / ISP
AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

186.208.219.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.208.219.0
Broadcast
186.208.219.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-26.755800000000004 , -48.7459
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top ASN
AS28577 · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top organization / ISP
AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.183.37.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
88.183.37.0
Broadcast
88.183.37.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
50.2922 , 2.7804
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS12322 · Free SAS
Top organization / ISP
Proxad / Free SAS · ProXad network / Free SAS
Top geo
France · Hauts-de-France · Arras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

186.208.222.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.208.222.0
Broadcast
186.208.222.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-26.7558 , -48.7459
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS28577 · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top organization / ISP
AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA · AZEVEDO E FLORIANI TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.239.20.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.239.20.0
Broadcast
45.239.20.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-25.4227 , -53.2279
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS268352 · Dendena Koerich e Vieira
Top organization / ISP
Dendena Koerich e Vieira · Dendena Koerich e Vieira
Top geo
Brazil · Paraná · Três Barras do Paraná
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.49.115.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.49.115.0
Broadcast
81.49.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.2922 , 2.7804
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
— · France Telecom
Top geo
France · Hauts-de-France · Arras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

170.246.39.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
170.246.39.0
Broadcast
170.246.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-46.434400000000004 , -67.5265
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS265653 · CARRASCO LEONARDO JAVIER (NETLINK)
Top organization / ISP
Carrasco Leonardo Javier · Carrasco Leonardo Javier
Top geo
Argentina · Santa Cruz · Caleta Olivia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

170.246.36.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.246.36.0
Broadcast
170.246.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-46.4344 , -67.5265
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS265653 · CARRASCO LEONARDO JAVIER (NETLINK)
Top organization / ISP
Carrasco Leonardo Javier · Carrasco Leonardo Javier
Top geo
Argentina · Santa Cruz · Caleta Olivia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.32.83.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.32.83.0
Broadcast
187.32.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.7639 , -48.6717
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16735 · ALGAR TELECOM S/A
Top organization / ISP
ALGAR TELECOM S/A · ALGAR TELECOM S/A
Top geo
Brazil · Santa Catarina · Balneário Piçarras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

200.13.87.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
200.13.87.0
Broadcast
200.13.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.0726 , -42.5279
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS270440 · Markan comercio e serviços EIRELI-ME
Top organization / ISP
Interlink Telecom · Markan comercio e serviços EIRELI-ME
Top geo
Brazil · Rio de Janeiro · Duas Barras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.239.21.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.239.21.0
Broadcast
45.239.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.4227 , -53.2279
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS268352 · Dendena Koerich e Vieira
Top organization / ISP
Dendena Koerich e Vieira · Dendena Koerich e Vieira
Top geo
Brazil · Paraná · Três Barras do Paraná
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.87.70.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.87.70.0
Broadcast
177.87.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.4227 , -53.2279
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52591 · S. C. Terres e Cia Ltda
Top organization / ISP
S. C. Terres e Cia Ltda · S. C. Terres e Cia Ltda
Top geo
Brazil · Paraná · Três Barras do Paraná
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.85.54.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.85.54.0
Broadcast
89.85.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.2922 , 2.7804
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · Bouygues Telecom ISP
Top geo
France · Hauts-de-France · Arras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

185.236.13.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
185.236.13.0
Broadcast
185.236.13.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2973 , -4.7599
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS201500 · Fibrasur Operadores S.L.
Top organization / ISP
Manuel Carrascosa Leon · Fibrasur Operadores S.L.
Top geo
Spain · Andalusia · Casariche
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

8.242.11.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
8.242.11.0
Broadcast
8.242.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.3656 , -49.0769
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS3356 · Level 3 Parent, LLC
Top organization / ISP
CTL LATAM, CTL Brazil · Cirion Technologies Solutions
Top geo
Brazil · Paraná · Quatro Barras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →