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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: Ueda · Clear
Snapshot 2026-03-12 Results 17 Page 1 / 1

131.221.137.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
131.221.137.0
Broadcast
131.221.137.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-25.4317 , -52.982600000000005
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS264413 · Conecta Telecom Ltda
Top organization / ISP
Conecta Telecom Ltda · Conecta Telecom Ltda
Top geo
Brazil · Paraná · Quedas do Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

142.111.67.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
142.111.67.0
Broadcast
142.111.67.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.2048 , 138.253
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Ace Data Centers, Inc · Leaseweb Japan K.K.
Top geo
Japan · Nagano · Ueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

23.26.61.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
23.26.61.0
Broadcast
23.26.61.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.2048 , 138.253
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Ace Data Centers, Inc · Leaseweb Japan K.K.
Top geo
Japan · Nagano · Ueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.62.106.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
187.62.106.0
Broadcast
187.62.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.0614 , -99.2245
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS265587 · HULUX TELECOMUNICACIONES
Top organization / ISP
Cristian Roberto Maqueda Lozano · Hulux Telecomunicaciones
Top geo
Mexico · Hidalgo · Atitalaquia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

168.90.37.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
168.90.37.0
Broadcast
168.90.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.431699999999996 , -52.9826
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS264236 · COMFIBRA - PROVEDOR DE TELEC. LTDA - M
Top organization / ISP
Comfibra - Provedor De Telec. Ltda - M · Comfibra - Provedor De Telec. Ltda - M
Top geo
Brazil · Paraná · Quedas do Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.5.22.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.5.22.0
Broadcast
190.5.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.3303 , -60.45430000000001
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS27827 · LARRAURI GUALBERTO JOSE
Top organization / ISP
Larrauri Gualberto Jose · Gualberto Larrauri
Top geo
Argentina · Santa Fe · Rueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.117.89.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.117.89.0
Broadcast
138.117.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.4317 , -52.9826
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS264236 · COMFIBRA - PROVEDOR DE TELEC. LTDA - M
Top organization / ISP
Comfibra - Provedor De Telec. Ltda - M · Comfibra - Provedor De Telec. Ltda - M
Top geo
Brazil · Paraná · Quedas do Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.5.19.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.5.19.0
Broadcast
190.5.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.3303 , -60.4543
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS27827 · LARRAURI GUALBERTO JOSE
Top organization / ISP
Larrauri Gualberto Jose · Gualberto Larrauri
Top geo
Argentina · Santa Fe · Rueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

188.82.59.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.82.59.0
Broadcast
188.82.59.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5785 , -8.443
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS3243 · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.
Top organization / ISP
PT Comunicacoes S.A. · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A
Top geo
Portugal · Aveiro · Águeda Municipality
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

131.221.139.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.221.139.0
Broadcast
131.221.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.4317 , -52.9826
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS264413 · Conecta Telecom Ltda
Top organization / ISP
Conecta Telecom Ltda · Conecta Telecom Ltda
Top geo
Brazil · Paraná · Quedas do Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.117.88.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.117.88.0
Broadcast
138.117.88.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.4317 , -52.9826
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS264236 · COMFIBRA - PROVEDOR DE TELEC. LTDA - M
Top organization / ISP
Comfibra - Provedor De Telec. Ltda - M · Comfibra - Provedor De Telec. Ltda - M
Top geo
Brazil · Paraná · Quedas do Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

188.82.60.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.82.60.0
Broadcast
188.82.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5665 , -8.4462
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS3243 · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.
Top organization / ISP
PT Comunicacoes S.A. · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A
Top geo
Portugal · Aveiro · Águeda Municipality
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.151.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.151.40.0
Broadcast
189.151.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.7275 , -109.588
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS8151 · UNINET
Top organization / ISP
Gestión de direccionamiento UniNet · UNINET
Top geo
Mexico · Sonora · Esqueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

86.104.185.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
86.104.185.0
Broadcast
86.104.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5376 , -3.9542
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS207286 · RUEDA SISTEMAS, S.L.
Top organization / ISP
RUEDA SISTEMAS, S.L · RUEDA SISTEMAS, S.L.
Top geo
Spain · Andalusia · Castillo de Locubín
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.62.105.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.62.105.0
Broadcast
187.62.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.4186 , -99.6794
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS265587 · HULUX TELECOMUNICACIONES
Top organization / ISP
Cristian Roberto Maqueda Lozano · Hulux Telecomunicaciones
Top geo
Mexico · Hidalgo · Huichapan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

2.82.229.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
2.82.229.0
Broadcast
2.82.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5785 , -8.443
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3243 · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.
Top organization / ISP
PT Comunicacoes S.A. · PT Comunicacoes S.A
Top geo
Portugal · Aveiro · Águeda Municipality
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.189.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.189.148.0
Broadcast
37.189.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5785 , -8.443
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3243 · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.
Top organization / ISP
PT Comunicacoes S.A. · PT Comunicacoes S.A.
Top geo
Portugal · Aveiro · Águeda Municipality
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →