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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: Santo Tirso · Clear
Snapshot 2026-03-04 Results 8 Page 1 / 1

188.37.202.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
188.37.202.0
Broadcast
188.37.202.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS12353 · Vodafone Portugal
Top organization / ISP
— · Vodafone Portugal
Top geo
Portugal · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

148.63.183.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
148.63.183.0
Broadcast
148.63.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS12353 · Vodafone Portugal
Top organization / ISP
Vodafone Portugal - Communicacoes Pessoais S.A. · Vodafone Portugal
Top geo
Portugal · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

87.196.18.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.196.18.0
Broadcast
87.196.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

188.37.204.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.37.204.0
Broadcast
188.37.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS12353 · Vodafone Portugal
Top organization / ISP
— · Vodafone Portugal
Top geo
Portugal · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

188.80.74.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.80.74.0
Broadcast
188.80.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
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 · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

87.196.26.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.196.26.0
Broadcast
87.196.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
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 · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

148.63.180.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
148.63.180.0
Broadcast
148.63.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS12353 · Vodafone Portugal
Top organization / ISP
Vodafone Portugal - Communicacoes Pessoais S.A. · Vodafone Portugal
Top geo
Portugal · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

94.61.229.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
94.61.229.0
Broadcast
94.61.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3437 , -8.4819
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS12353 · Vodafone Portugal
Top organization / ISP
Vodafone Telecel, Comunicacoes Pessoais, SA · Vodafone Portugal
Top geo
Portugal · Porto · Santo Tirso
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →