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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: IONOS · Clear
Snapshot 2026-03-17 Results — Page 1 / 1

82.165.66.0/24

Risk Max 1 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
82.165.66.0
Broadcast
82.165.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
8 hits · 6 errors
First / Last seen
2026-03-05 02:00 · 2026-03-08 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
De Fra Ionos Cloud Fra · IONOS SE
Top geo
Germany · Hesse · Frankfurt am Main
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

217.154.48.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
217.154.48.0
Broadcast
217.154.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
4 hits · 3 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
ADSL: Nexus Alpha Limited · MISTRAL
Top geo
United Kingdom · England · London
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

217.160.139.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
217.160.139.0
Broadcast
217.160.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
15 hits · 6 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
IONOS · 1&1 IONOS SE
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

212.227.21.0/24

Risk Max — LOW Footprint 0.391% Hits 9
Prefix / IP version
/24 · IPv4
Network
212.227.21.0
Broadcast
212.227.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9006 , 2.25929
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
More A0506 · IONOS SE
Top geo
France · Île-de-France · Courbevoie
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

87.106.149.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.106.149.0
Broadcast
87.106.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
IONOS SE · IONOS SE
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

66.179.137.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
66.179.137.0
Broadcast
66.179.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9072 , -77.0369
Hits / Errors
2 hits · 2 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
IONOS Inc · IONOS SE
Top geo
United States · District of Columbia · Washington
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

194.164.95.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
194.164.95.0
Broadcast
194.164.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
IONOS SE · IONOS SE
Top geo
United Kingdom · England · London
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

85.214.181.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.214.181.0
Broadcast
85.214.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9927 , 8.40351
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS8560 · IONOS SE
Top organization / ISP
IONOS SE · IONOS SE
Top geo
Germany · Baden-Wurttemberg · Karlsruhe
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →