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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.

151.252.195.0/24

Risk Max LOW Footprint 1.953% Hits 9
Prefix / IP version
/24 · IPv4
Network
151.252.195.0
Broadcast
151.252.195.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5KOM
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.160.0/24

Risk Max LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
212.233.160.0
Broadcast
212.233.160.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.4126 , 24.608899999999995
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.144.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
212.233.144.0
Broadcast
212.233.144.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

89.215.226.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
89.215.226.0
Broadcast
89.215.226.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS13124 · A1 Bulgaria EAD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.187.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.233.187.0
Broadcast
212.233.187.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.4879 , 24.236433333333334
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

88.203.251.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
88.203.251.0
Broadcast
88.203.251.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.4126 , 24.608899999999995
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · POLIMEX
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.134.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.233.134.0
Broadcast
212.233.134.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.31936666666667 , 24.645
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.39.75.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.39.75.0
Broadcast
212.39.75.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.4126 , 24.608899999999995
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.147.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
212.233.147.0
Broadcast
212.233.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

89.215.227.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
89.215.227.0
Broadcast
89.215.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS13124 · A1 Bulgaria EAD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.194.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
212.233.194.0
Broadcast
212.233.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

31.211.140.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
31.211.140.0
Broadcast
31.211.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5kom OOD
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.107.87.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
109.107.87.0
Broadcast
109.107.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4985 , 24.088000000000005
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS34295 · Geo BG Net SPLtd.
Top organization / ISP
— · Simoptic
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.178.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.233.178.0
Broadcast
212.233.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.6937 , 24.8944
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.180.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.233.180.0
Broadcast
212.233.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4539 , 24.6165
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.195.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.233.195.0
Broadcast
212.233.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.608899999999995
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

194.79.12.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
194.79.12.0
Broadcast
194.79.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4 , 24.4333
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS20657 · ATLANTIS BG Ltd.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.163.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.163.0
Broadcast
212.233.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.251.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.251.0
Broadcast
212.233.251.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

31.211.142.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
31.211.142.0
Broadcast
31.211.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5KOM
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

151.252.206.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
151.252.206.0
Broadcast
151.252.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5KOM
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.136.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.136.0
Broadcast
212.233.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.154.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.154.0
Broadcast
212.233.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.170.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.170.0
Broadcast
212.233.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

151.252.197.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
151.252.197.0
Broadcast
151.252.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5kom OOD
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.148.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.148.0
Broadcast
212.233.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.181.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.181.0
Broadcast
212.233.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4539 , 24.6165
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.159.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.159.0
Broadcast
212.233.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.248.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.233.248.0
Broadcast
212.233.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.188.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.233.188.0
Broadcast
212.233.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4539 , 24.6165
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.107.66.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.107.66.0
Broadcast
109.107.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4596 , 24.2574
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS34295 · Geo BG Net SPLtd.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

31.211.153.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.211.153.0
Broadcast
31.211.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5KOM
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.162.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.233.162.0
Broadcast
212.233.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

77.85.162.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.85.162.0
Broadcast
77.85.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.128.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.233.128.0
Broadcast
212.233.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

178.75.215.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
178.75.215.0
Broadcast
178.75.215.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.268 , 24.1353
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS34295 · Geo BG Net SPLtd.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.233.161.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.233.161.0
Broadcast
212.233.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS29582 · Optisprint OOD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

213.240.255.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.240.255.0
Broadcast
213.240.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS13124 · A1 Bulgaria EAD
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

31.211.137.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.211.137.0
Broadcast
31.211.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4126 , 24.6089
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS197897 · 5KOM OOD
Top organization / ISP
— · 5KOM
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

77.76.147.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.76.147.0
Broadcast
77.76.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4596 , 24.2574
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS34295 · Geo BG Net SPLtd.
Top organization / ISP
— · Simoptic
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
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