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.
Search
Active filter:
Rennes
·
Clear
Snapshot
2026-03-07
Results
19
Page
1
/
1
81.65.115.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
10
Prefix / IP version
/24 · IPv4
Network
81.65.115.0
Broadcast
81.65.115.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
48.11 , -1.6743999999999999
Hits / Errors
10
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
— ·
Societe Francaise Du Radiotelephone - SFR SA
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.66.25.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
37.66.25.0
Broadcast
37.66.25.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
48.57585 , -1.6247
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 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
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
5.49.20.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
5.49.20.0
Broadcast
5.49.20.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
48.11 , -1.6744
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS5410 ·
Bouygues Telecom SA
Top organization / ISP
— ·
BOUYGUES Telecom ISP
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
90.16.164.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
90.16.164.0
Broadcast
90.16.164.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS3215 ·
Orange S.A.
Top organization / ISP
— ·
Orange
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
83.205.136.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
83.205.136.0
Broadcast
83.205.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.10999999999999 , -1.6744
Hits / Errors
3
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
— ·
France Telecom
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
83.205.164.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
83.205.164.0
Broadcast
83.205.164.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.10999999999999 , -1.6744
Hits / Errors
3
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
— ·
France Telecom
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
2.10.54.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
2.10.54.0
Broadcast
2.10.54.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.10999999999999 , -1.6744
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS3215 ·
Orange S.A.
Top organization / ISP
— ·
France Telecom Orange
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.66.31.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
37.66.31.0
Broadcast
37.66.31.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.10999999999999 , -1.6744
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 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
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.123.30.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
88.123.30.0
Broadcast
88.123.30.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.818999999999996 , -1.1113
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS12322 ·
Free SAS
Top organization / ISP
Free SAS
·
Free SAS
Top geo
France
·
Nouvelle-Aquitaine
·
Marennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.197.125.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
78.197.125.0
Broadcast
78.197.125.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS12322 ·
Free SAS
Top organization / ISP
Free
·
ProXad network / Free
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.53.143.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
81.53.143.0
Broadcast
81.53.143.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
Hits / Errors
2
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
— ·
France Telecom
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
85.169.61.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
85.169.61.0
Broadcast
85.169.61.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS15557 ·
Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
— ·
Societe Francaise Du Radiotelephone - SFR SA
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.66.26.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.66.26.0
Broadcast
37.66.26.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 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
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
5.49.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
5.49.21.0
Broadcast
5.49.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
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 Wireline
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
86.203.200.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
86.203.200.0
Broadcast
86.203.200.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
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
— ·
France Telecom
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
109.10.37.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
109.10.37.0
Broadcast
109.10.37.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
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
Ncnumericable
·
Societe Francaise Du Radiotelephone - SFR SA
Top geo
France
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
176.158.12.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
176.158.12.0
Broadcast
176.158.12.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
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
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.89.227.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.89.227.0
Broadcast
89.89.227.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
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
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
92.167.246.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
92.167.246.0
Broadcast
92.167.246.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.11 , -1.6744
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
·
Brittany
·
Rennes
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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