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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: Aveiro · Clear
Snapshot 2026-01-21 Results 6 Page 1 / 1

188.82.252.0/24

Risk Max — LOW Footprint 0.391% Hits 93
Prefix / IP version
/24 · IPv4
Network
188.82.252.0
Broadcast
188.82.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6501 , -8.6502
Hits / Errors
93 hits · 6 errors
First / Last seen
2025-03-24 13:24 · 2025-03-26 18:43
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 · Aveiro · Aveiro
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2
Open report →

84.91.23.0/24

Risk Max — LOW Footprint 0.391% Hits 29
Prefix / IP version
/24 · IPv4
Network
84.91.23.0
Broadcast
84.91.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6012 , -8.6735
Hits / Errors
29 hits · 0 errors
First / Last seen
2025-02-16 13:16 · 2025-02-16 13:18
Top ASN
AS13156 · NOWO COMMUNICATIONS, S.A.
Top organization / ISP
Nowo Communications, S.A. · Nowo Communications
Top geo
Portugal · Aveiro · Ílhavo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2
Open report →

217.129.223.0/24

Risk Max — LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
217.129.223.0
Broadcast
217.129.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.9058 , -8.4817
Hits / Errors
28 hits · 0 errors
First / Last seen
2025-03-22 22:57 · 2025-03-22 23:04
Top ASN
AS13156 · NOWO COMMUNICATIONS, S.A.
Top organization / ISP
Nowo Communications, S.A. · Nowo Communications
Top geo
Portugal · Aveiro · São João da Madeira
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2
Open report →

148.63.224.0/24

Risk Max — LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
148.63.224.0
Broadcast
148.63.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6501 , -8.6502
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-04-16 03:20 · 2025-04-16 03:21
Top ASN
AS12353 · Vodafone Portugal
Top organization / ISP
Vodafone Portugal - Communicacoes Pessoais S.A. · Vodafone Portugal
Top geo
Portugal · Aveiro · Aveiro
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2
Open report →

89.152.35.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.152.35.0
Broadcast
89.152.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6501 , -8.6502
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-23 20:15 · 2025-12-23 20:15
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
TVCABO-Portugal · NOS Comunicacoes S.A.
Top geo
Portugal · Aveiro · Aveiro
Window / Updated
2025-12-22 → 2025-12-29 · Updated 2026-01-14 · v2
Open report →

188.83.64.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.83.64.0
Broadcast
188.83.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6501 , -8.6502
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-31 08:44 · 2025-07-31 08:44
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 · Aveiro · Aveiro
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →