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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: BTC-NET Ltd. · Clear
Snapshot 2026-03-04 Results 4 Page 1 / 1

213.91.199.0/24

Risk Max — LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
213.91.199.0
Broadcast
213.91.199.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
43.8627 , 25.9648
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS8866 · Vivacom Bulgaria EAD
Top organization / ISP
BTC-NET Ltd. · BTC-NET Ltd.
Top geo
Bulgaria · Ruse · Rousse
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

213.91.213.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.91.213.0
Broadcast
213.91.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.5346 , 26.5275
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS8866 · Vivacom Bulgaria EAD
Top organization / ISP
— · BTC-NET Ltd.
Top geo
Bulgaria · Razgrad · Razgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

212.39.70.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.39.70.0
Broadcast
212.39.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.988 , 22.8835
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS8866 · Vivacom Bulgaria EAD
Top organization / ISP
BTC-NET Ltd. · Bulgarian Telecommunications Company Plc
Top geo
Bulgaria · Vidin · Vidin
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

213.91.177.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.91.177.0
Broadcast
213.91.177.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.6418 , 27.6771
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS8866 · Vivacom Bulgaria EAD
Top organization / ISP
Mihailov-TV Ltd. · BTC-NET Ltd.
Top geo
Bulgaria · Burgas · Ravda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →