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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: Casema NV · Clear
Snapshot 2026-03-04 Results 3 Page 1 / 1

83.81.25.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
83.81.25.0
Broadcast
83.81.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.7268 , 6.9829
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS33915 · Vodafone Libertel B.V.
Top organization / ISP
Casema NV · ZIGGO-CM
Top geo
Netherlands · Drenthe · Klazienaveen
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

83.81.44.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
83.81.44.0
Broadcast
83.81.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.654 , 5.3012
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS33915 · Vodafone Libertel B.V.
Top organization / ISP
Casema NV · ZIGGO-CM
Top geo
The Netherlands · North Brabant · Vught
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

83.82.97.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
83.82.97.0
Broadcast
83.82.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.2226 , 6.6577
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS33915 · Vodafone Libertel B.V.
Top organization / ISP
Casema NV · ZIGGO-CM
Top geo
Netherlands · Groningen · Meerstad
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →