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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: Gondomar · Clear
Snapshot 2026-03-03 Results 6 Page 1 / 1

89.154.223.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
89.154.223.0
Broadcast
89.154.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1452 , -8.5294
Hits / Errors
2 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
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Porto · Gondomar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.154.60.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.154.60.0
Broadcast
89.154.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.132 , -8.5714
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 · Gondomar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.155.90.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.155.90.0
Broadcast
89.155.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1664 , -8.5259
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 · Porto · Gondomar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.154.49.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.154.49.0
Broadcast
89.154.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1452 , -8.5294
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Porto · Gondomar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

83.132.88.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
83.132.88.0
Broadcast
83.132.88.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1452 , -8.5294
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
TVCABO-Portugal · NOS Comunicacoes S.A.
Top geo
Portugal · Porto · Gondomar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.155.85.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.155.85.0
Broadcast
89.155.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1664 , -8.5259
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
TVCABO-Portugal · NOS Comunicacoes S.A.
Top geo
Portugal · Porto · Gondomar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →