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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: Ncnumericable · Clear
Snapshot 2026-01-20 Results 12 Page 1 / 1

77.201.33.0/24

Risk Max — LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
77.201.33.0
Broadcast
77.201.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.416 , 2.7814
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-01-08 14:54 · 2025-01-08 14:55
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Hauts-de-France · Liévin
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2
Open report →

77.199.188.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
77.199.188.0
Broadcast
77.199.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.748 , 4.85
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-12-16 19:33 · 2024-12-16 19:34
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
FR Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Rhône-Alpes · Lyon
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2
Open report →

109.8.184.0/24

Risk Max — LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
109.8.184.0
Broadcast
109.8.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0387 , 2.3754
Hits / Errors
8 hits · 0 errors
First / Last seen
2023-09-05 22:00 · 2023-09-05 22:00
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
FR Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Hauts-de-France · Dunkirk
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2
Open report →

93.23.133.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
93.23.133.0
Broadcast
93.23.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.2145 , -1.5512
Hits / Errors
4 hits · 3 errors
First / Last seen
2025-01-16 11:43 · 2025-01-16 11:43
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Pays de la Loire · Nantes
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2
Open report →

109.10.210.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.10.210.0
Broadcast
109.10.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7687 , 2.2684
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-27 21:19 · 2025-11-27 21:19
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Châtenay-Malabry
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

81.220.112.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.112.0
Broadcast
81.220.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2891 , 0.19161
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-12 16:57 · 2025-08-12 16:57
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Normandy · Pont-l'Évêque
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

81.220.55.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.55.0
Broadcast
81.220.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9043 , 2.4877
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-04 12:17 · 2025-08-04 12:17
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Bondy
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

93.30.117.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
93.30.117.0
Broadcast
93.30.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.8265 , 1.2484
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-02 18:08 · 2025-08-02 18:08
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Nouvelle-Aquitaine · Limoges
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

81.220.176.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.176.0
Broadcast
81.220.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.1466 , 0.5311
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-23 17:01 · 2025-05-23 17:01
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Nouvelle-Aquitaine · Saint-Astier
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

109.12.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.12.121.0
Broadcast
109.12.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4831 , -1.5216
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-06 16:02 · 2025-05-06 16:02
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Nouvelle-Aquitaine · Anglet
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

77.199.85.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.199.85.0
Broadcast
77.199.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.7663 , 4.8883
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 06:12 · 2025-05-05 06:12
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Rhône-Alpes · Villeurbanne
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

81.220.17.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.220.17.0
Broadcast
81.220.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9927 , 2.3039
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-04 19:03 · 2025-05-04 19:03
Top ASN
AS15557 · Societe Francaise Du Radiotelephone - SFR SA
Top organization / ISP
Ncnumericable · Societe Francaise Du Radiotelephone - SFR SA
Top geo
France · Île-de-France · Soisy-sous-Montmorency
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2
Open report →