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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: Castelo Branco · Clear
Snapshot 2026-02-09 Results 2 Page 1 / 1

188.80.39.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
188.80.39.0
Broadcast
188.80.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.28329999999999 , -7.508
Hits / Errors
15 hits · 1 errors
First / Last seen
2024-06-13 12:57 · 2024-06-13 12:58
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 · Castelo Branco · Covilha
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2
Open report →

2.81.116.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
2.81.116.0
Broadcast
2.81.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.8254 , -7.4845
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-01 20:37 · 2025-08-01 20:37
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 · Castelo Branco · Castelo Branco
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →