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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: Societe Francaise Du Radiotelephone - SFR SA · Clear
Snapshot 2026-03-20 Results — Page 4 / 4

37.66.176.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.176.0
Broadcast
37.66.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8051 , 2.4197
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Alfortville
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.66.24.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.24.0
Broadcast
37.66.24.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.11 , -1.6744
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Brittany · Rennes
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.66.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.40.0
Broadcast
37.66.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3178 , 5.4125
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Provence-Alpes-Côte d'Azur · Marseille
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.66.41.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.41.0
Broadcast
37.66.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3178 , 5.4125
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Provence-Alpes-Côte d'Azur · Marseille
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.66.44.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.44.0
Broadcast
37.66.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3736 , 5.3547
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Provence-Alpes-Côte d'Azur · Marseille
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.66.58.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.58.0
Broadcast
37.66.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.7838 , 3.0966
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Rhône-Alpes · Clermont-Ferrand
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.67.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.67.121.0
Broadcast
37.67.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8558 , 2.3494
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Paris
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.67.198.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.67.198.0
Broadcast
37.67.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8558 , 2.3494
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 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 · Paris
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

109.11.182.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.11.182.0
Broadcast
109.11.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8575 , 2.35138
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
SFR SA · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Paris
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

81.220.254.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.254.0
Broadcast
81.220.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1933 , 0.7179
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Normandy · Brionne
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

81.220.68.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.68.0
Broadcast
81.220.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8096 , 2.4415
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Maisons-Alfort
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

81.65.118.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.65.118.0
Broadcast
81.65.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.0021 , 0.20251
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Pays de la Loire · Le Mans
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

81.65.151.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.65.151.0
Broadcast
81.65.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9232 , 2.2239
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Bezons
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

81.65.190.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.65.190.0
Broadcast
81.65.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.984 , 2.2327
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Franconville
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

92.95.46.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.95.46.0
Broadcast
92.95.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.7045 , 7.2597
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Provence-Alpes-Côte d'Azur · Nice
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

93.15.33.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
93.15.33.0
Broadcast
93.15.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.4885 , 2.4706
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
SFR User Data · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Hauts-de-France · Calonne-Ricouart
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

93.8.83.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
93.8.83.0
Broadcast
93.8.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9422 , 2.5039
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Aulnay-sous-Bois
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.66.57.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.57.0
Broadcast
37.66.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.7838 , 3.0966
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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 · Rhône-Alpes · Clermont-Ferrand
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.69.3.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.69.3.0
Broadcast
37.69.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.4169 , -3.5475
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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 · Brittany · Plourac'h
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.67.183.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.67.183.0
Broadcast
37.67.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.7468 , -3.3644
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Brittany · Lorient
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

81.220.124.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.124.0
Broadcast
81.220.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.5286 , 7.33903
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Grand Est · Durmenach
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

37.65.50.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.65.50.0
Broadcast
37.65.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1193 , 6.1702
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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 · Grand Est · Metz
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

79.84.235.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
79.84.235.0
Broadcast
79.84.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.748 , 4.85
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
SFR User Data · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Rhône-Alpes · Lyon
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →
Page 4
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