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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: TMONL · Clear
Snapshot 2026-01-23 Results 8 Page 1 / 1

62.250.182.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
62.250.182.0
Broadcast
62.250.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6614 , 4.8267
Hits / Errors
4 hits · 2 errors
First / Last seen
2023-12-20 15:11 · 2023-12-20 15:11
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · North Holland · Heerhugowaard
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2
Open report →

143.177.221.0/24

Risk Max — LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
143.177.221.0
Broadcast
143.177.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.989 , 5.9167
Hits / Errors
30 hits · 2 errors
First / Last seen
2024-11-27 18:39 · 2024-11-27 18:40
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

31.20.126.0/24

Risk Max — LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
31.20.126.0
Broadcast
31.20.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4091 , 4.8896
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-06-23 22:00 · 2025-06-23 22:02
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · North Holland · Amsterdam
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2
Open report →

143.177.52.0/24

Risk Max — LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
143.177.52.0
Broadcast
143.177.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.3297 , 4.8625
Hits / Errors
14 hits · 1 errors
First / Last seen
2024-02-24 19:21 · 2024-02-24 19:26
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · North Holland · Amsterdam
Window / Updated
2024-02-19 → 2024-02-26 · Updated 2026-01-14 · v2
Open report →

31.20.232.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
31.20.232.0
Broadcast
31.20.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4405 , 5.4098
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-17 19:24 · 2024-11-17 19:25
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · North Brabant · Eindhoven
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2
Open report →

143.177.208.0/24

Risk Max — LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
143.177.208.0
Broadcast
143.177.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.0438 , 6.6133
Hits / Errors
10 hits · 1 errors
First / Last seen
2024-05-06 12:39 · 2024-05-06 12:39
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · Gelderland · Groenlo
Window / Updated
2024-05-06 → 2024-05-13 · Updated 2026-01-14 · v2
Open report →

31.20.21.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
31.20.21.0
Broadcast
31.20.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.3788 , 5.7705
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-10-05 01:50 · 2024-10-05 01:50
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · Gelderland · Nunspeet
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2
Open report →

62.250.237.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
62.250.237.0
Broadcast
62.250.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9705 , 6.7194
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-11-15 05:32 · 2023-11-15 05:32
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · Gelderland · Winterswijk
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2
Open report →