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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: Retz · Clear
Snapshot 2026-03-10 Results 8 Page 1 / 1

37.66.5.0/24

Risk Max — LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
37.66.5.0
Broadcast
37.66.5.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
48.40025 , 2.9789483333333333
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
SFR Infra · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Gretz-Armainvilliers
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.65.158.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
37.65.158.0
Broadcast
37.65.158.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
47.9233 , -0.5830850000000001
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
SFR Infra · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Pays de la Loire · Fresnay-en-Retz
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.80.187.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
89.80.187.0
Broadcast
89.80.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7416 , 2.747
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · Bouygues Telecom ISP
Top geo
France · Île-de-France · Gretz-Armainvilliers
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

192.164.142.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
192.164.142.0
Broadcast
192.164.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7571 , 15.9549
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS8447 · A1 Telekom Austria AG
Top organization / ISP
A1 Telekom Austria AG · A1 Telekom Austria AG
Top geo
Austria · Lower Austria · Retz
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

176.189.238.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.189.238.0
Broadcast
176.189.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.359 , 0.8101
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · BOUYGUES Telecom
Top geo
France · Centre-Val de Loire · Véretz
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.66.2.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.2.0
Broadcast
37.66.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7416 , 2.747
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
SFR Infra · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Gretz-Armainvilliers
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.40.179.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.40.179.0
Broadcast
90.40.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7416 , 2.747
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
— · Orange
Top geo
France · Île-de-France · Gretz-Armainvilliers
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.40.188.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.40.188.0
Broadcast
90.40.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7416 , 2.747
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
— · Orange
Top geo
France · Île-de-France · Gretz-Armainvilliers
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →