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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: PROVIDER, Madritel · Clear
Snapshot 2026-03-04 Results 2 Page 1 / 1

213.37.133.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.37.133.0
Broadcast
213.37.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.3482 , -3.6989
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS6739 · VODAFONE ONO, S.A.
Top organization / ISP
PROVIDER, Madritel · Ono
Top geo
Spain · Madrid · Madrid
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

213.37.30.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.37.30.0
Broadcast
213.37.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.29 , -3.8139
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS6739 · VODAFONE ONO, S.A.
Top organization / ISP
PROVIDER, Madritel · Ono
Top geo
Spain · Madrid · Fuenlabrada
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →