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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: Caldas da Rainha · Clear
Snapshot 2026-03-03 Results 6 Page 1 / 1

188.80.58.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
188.80.58.0
Broadcast
188.80.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3998 , -9.138
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 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 · Leiria · Caldas da Rainha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

188.83.21.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
188.83.21.0
Broadcast
188.83.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3998 , -9.138
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 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 · Leiria · Caldas da Rainha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

217.129.231.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
217.129.231.0
Broadcast
217.129.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3998 , -9.138
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS13156 · NOWO COMMUNICATIONS, S.A.
Top organization / ISP
Nowo Communications, S.A. · Nowo Communications
Top geo
Portugal · Leiria · Caldas da Rainha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

85.138.83.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.138.83.0
Broadcast
85.138.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3998 , -9.138
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Leiria · Caldas da Rainha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

185.142.131.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
185.142.131.0
Broadcast
185.142.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.4033 , -9.13839
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS50666 · LigaT Telecom Sociedade Unipessoal LDA
Top organization / ISP
LigaT Telecom Sociedade Unipessoal LDA · LigaT Telecom Sociedade Unipessoal LDA
Top geo
Portugal · Leiria · Caldas da Rainha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.155.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.155.123.0
Broadcast
89.155.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3998 , -9.138
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
TVCABO-Portugal · NOS Comunicacoes S.A.
Top geo
Portugal · Leiria · Caldas da Rainha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →