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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: Optisprint3 · Clear
Snapshot 2026-03-11 Results 9 Page 1 / 1

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Nikopol
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Bukovlak
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
Optisprint3 · Optisprint OOD
Top geo
Bulgaria · Pleven · Pleven
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →