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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: Sátão · Clear
Snapshot 2026-03-04 Results 3 Page 1 / 1

188.81.203.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
188.81.203.0
Broadcast
188.81.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7448 , -7.733999999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 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 · Viseu · Sátão
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

83.132.53.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
83.132.53.0
Broadcast
83.132.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7418 , -7.73285
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Viseu · Sátão
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

83.132.107.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
83.132.107.0
Broadcast
83.132.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7418 , -7.73285
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Viseu · Sátão
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →