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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: Rouen · Clear
Snapshot 2026-03-07 Results 21 Page 1 / 1

176.145.136.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
176.145.136.0
Broadcast
176.145.136.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
49.14935 , 1.72485
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · BOUYGUES Telecom
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.66.168.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
37.66.168.0
Broadcast
37.66.168.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
48.8558 , 2.3494
Hits / Errors
2 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 · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

176.145.139.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
176.145.139.0
Broadcast
176.145.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · BOUYGUES Telecom
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

5.49.23.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
5.49.23.0
Broadcast
5.49.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
3 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 ISP Wireline
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

91.165.187.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
91.165.187.0
Broadcast
91.165.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS12322 · Free SAS
Top organization / ISP
ONLINE · Free
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

91.166.139.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
91.166.139.0
Broadcast
91.166.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS12322 · Free SAS
Top organization / ISP
ONLINE · Free
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.66.171.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.171.0
Broadcast
37.66.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8558 , 2.3494
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 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 · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

62.35.43.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
62.35.43.0
Broadcast
62.35.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · Bouygues Telecom ISP
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.108.48.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.108.48.0
Broadcast
90.108.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
— · France Telecom Orange
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

23.236.222.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
23.236.222.0
Broadcast
23.236.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4432 , 1.0999
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS55286 · B2 Net Solutions Inc.
Top organization / ISP
B2 Net Solutions Inc · B2 Net Solutions Inc.
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

176.132.84.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.132.84.0
Broadcast
176.132.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
1 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
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

62.35.31.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
62.35.31.0
Broadcast
62.35.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
1 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 · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

78.241.77.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.241.77.0
Broadcast
78.241.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4431 , 1.09932
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Free Mobile · Free Mobile SAS
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

82.67.89.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
82.67.89.0
Broadcast
82.67.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4267 , 1.0775
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS12322 · Free SAS
Top organization / ISP
ProXad network / Free SA · Proxad / Free SAS
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.70.202.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.70.202.0
Broadcast
90.70.202.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
— · Orange
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

176.145.138.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.145.138.0
Broadcast
176.145.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5410 · Bouygues Telecom SA
Top organization / ISP
— · BOUYGUES Telecom
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.66.162.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.162.0
Broadcast
37.66.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8558 , 2.3494
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 · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.66.170.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.170.0
Broadcast
37.66.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
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 · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.23.186.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.23.186.0
Broadcast
90.23.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
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 · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.80.199.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.80.199.0
Broadcast
89.80.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
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 ISP
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

89.80.250.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.80.250.0
Broadcast
89.80.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.4429 , 1.1003
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 ISP
Top geo
France · Normandy · Rouen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →