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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: Optinet Ltd · Clear
Snapshot 2026-01-21 Results 5 Page 1 / 1

130.185.197.0/24

Risk Max — LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
130.185.197.0
Broadcast
130.185.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4821 , 26.501
Hits / Errors
22 hits · 2 errors
First / Last seen
2024-10-29 16:44 · 2024-10-29 21:14
Top ASN
AS48917 · Optinet Ltd
Top organization / ISP
Optinet Ltd · Optinet Ltd
Top geo
Bulgaria · Yambol · Yambol
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →

185.217.190.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
185.217.190.0
Broadcast
185.217.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.7989 , 73.0994
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-05 02:32 · 2025-10-05 02:32
Top ASN
AS60757 · Optinet LLP
Top organization / ISP
Optinet LTD · Optinet LLP
Top geo
Kazakhstan · Karaganda · Karaganda
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

78.83.132.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.83.132.0
Broadcast
78.83.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4821 , 26.501
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-17 23:43 · 2025-12-17 23:43
Top ASN
AS48917 · Optinet Ltd
Top organization / ISP
— · Spectrum
Top geo
Bulgaria · Yambol · Yambol
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

130.185.211.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
130.185.211.0
Broadcast
130.185.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4821 , 26.501
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 11:15 · 2025-12-14 11:15
Top ASN
AS48917 · Optinet Ltd
Top organization / ISP
Optinet Ltd · Optinet Ltd
Top geo
Bulgaria · Yambol · Yambol
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

92.247.74.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.247.74.0
Broadcast
92.247.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4821 , 26.501
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 21:33 · 2025-12-01 21:33
Top ASN
AS48917 · Optinet Ltd
Top organization / ISP
Optinet JL · Optinet Ltd
Top geo
Bulgaria · Yambol · Yambol
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →