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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: Arouca · Clear
Snapshot 2026-03-03 Results 18 Page 1 / 1

190.213.229.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
190.213.229.0
Broadcast
190.213.229.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.6315 , -61.330200000000005
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-02-18 02:00 · 2026-02-21 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.132.0/24

Risk Max — LOW Footprint 1.172% Hits 18
Prefix / IP version
/24 · IPv4
Network
87.196.132.0
Broadcast
87.196.132.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
18 hits · 2 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.216.0/24

Risk Max — LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
190.213.216.0
Broadcast
190.213.216.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-21 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.138.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.196.138.0
Broadcast
87.196.138.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-19 02:00 · 2026-02-22 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

2.81.86.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
2.81.86.0
Broadcast
2.81.86.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-02-16 02:00 · 2026-02-21 02:00
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 · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.141.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.196.141.0
Broadcast
87.196.141.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-17 02:00 · 2026-02-21 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.133.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.196.133.0
Broadcast
87.196.133.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-19 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.214.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
190.213.214.0
Broadcast
190.213.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.330200000000005
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-20 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.217.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.213.217.0
Broadcast
190.213.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-20 02:00 · 2026-02-22 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.224.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.213.224.0
Broadcast
190.213.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-21 02:00 · 2026-02-22 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.231.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.213.231.0
Broadcast
190.213.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-19 02:00 · 2026-02-20 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.129.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.196.129.0
Broadcast
87.196.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-20 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.212.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.213.212.0
Broadcast
190.213.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.135.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.196.135.0
Broadcast
87.196.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.928 , -8.248
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 · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

188.82.129.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.82.129.0
Broadcast
188.82.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 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 · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.213.227.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.213.227.0
Broadcast
190.213.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS27665 · Columbus Communications Trinidad Limited.
Top organization / ISP
Columbus Communications Trinidad Limited · Columbus Communications Trinidad Limited.
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.59.201.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.59.201.0
Broadcast
190.59.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.6315 , -61.3302
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS5639 · Telecommunication Services of Trinidad and Tobago
Top organization / ISP
Telecommunication Services of Trinidad and Tobago · Telecommunication Services of Trinidad and Tobago
Top geo
Trinidad and Tobago · Tunapuna/Piarco · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

87.196.143.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.196.143.0
Broadcast
87.196.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.928 , -8.248
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Aveiro · Arouca
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →