DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6

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: Sintra · Clear
Snapshot 2026-03-03 Results 17 Page 1 / 1

85.242.233.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
85.242.233.0
Broadcast
85.242.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-21 02:00 · 2026-02-22 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

79.169.2.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
79.169.2.0
Broadcast
79.169.2.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.8027 , -9.3704
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-19 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.244.15.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
85.244.15.0
Broadcast
85.244.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8027 , -9.3704
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-22 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

197.255.134.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
197.255.134.0
Broadcast
197.255.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
14.8641 , -24.7008
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-20 02:00 · 2026-02-21 02:00
Top ASN
AS37517 · CABO VERDE TELECOM, S.A
Top organization / ISP
— · CVMultimedia
Top geo
Cabo Verde · Brava · Nova Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

79.169.4.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
79.169.4.0
Broadcast
79.169.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7918 , -9.3263
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-16 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.241.23.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
85.241.23.0
Broadcast
85.241.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-15 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.242.232.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
85.242.232.0
Broadcast
85.242.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-20 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

81.193.5.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.193.5.0
Broadcast
81.193.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8027 , -9.3704
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-15 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. · PT Comunicacoes S.A.
Top geo
Portugal · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.241.21.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.241.21.0
Broadcast
85.241.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

81.193.3.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.193.3.0
Broadcast
81.193.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8027 , -9.3704
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-21 02:00 · 2026-02-22 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.241.20.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.241.20.0
Broadcast
85.241.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-21 02:00 · 2026-02-22 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.243.103.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.243.103.0
Broadcast
85.243.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-20 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.246.238.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.246.238.0
Broadcast
85.246.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8027 , -9.3704
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-19 02:00 · 2026-02-20 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.241.22.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.241.22.0
Broadcast
85.241.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
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. · PT Comunicacoes S.A
Top geo
Portugal · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

79.169.7.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
79.169.7.0
Broadcast
79.169.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-17 02:00 · 2026-02-18 02:00
Top ASN
AS2860 · NOS COMUNICACOES, S.A.
Top organization / ISP
NOS Comunicacoes S.A. · NOS COMUNICACOES S.A
Top geo
Portugal · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.242.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.242.148.0
Broadcast
85.242.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8027 , -9.3704
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-17 02:00 · 2026-02-18 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

85.242.87.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.242.87.0
Broadcast
85.242.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7796 , -9.3578
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 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 · Lisbon · Sintra
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →