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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: Leibniz-Rechenzentrum · Clear
Snapshot 2026-01-20 Results 6 Page 1 / 1

138.246.239.0/24

Risk Max — LOW Footprint 1.953% Hits 50
Prefix / IP version
/24 · IPv4
Network
138.246.239.0
Broadcast
138.246.239.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
48.13629999999999 , 11.535699999999999
Hits / Errors
50 hits · 0 errors
First / Last seen
2025-07-02 04:39 · 2025-07-04 17:17
Top ASN
AS12816 · Leibniz-Rechenzentrum
Top organization / ISP
— · Leibniz-Rechenzentrum
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2
Open report →

138.246.237.0/24

Risk Max — LOW Footprint 1.172% Hits 48
Prefix / IP version
/24 · IPv4
Network
138.246.237.0
Broadcast
138.246.237.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
48.1363 , 11.5357
Hits / Errors
48 hits · 7 errors
First / Last seen
2025-07-02 11:11 · 2025-07-04 17:25
Top ASN
AS12816 · Leibniz-Rechenzentrum
Top organization / ISP
— · Leibniz-Rechenzentrum
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2
Open report →

138.246.238.0/24

Risk Max — LOW Footprint 0.781% Hits 30
Prefix / IP version
/24 · IPv4
Network
138.246.238.0
Broadcast
138.246.238.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
48.1363 , 11.5357
Hits / Errors
30 hits · 2 errors
First / Last seen
2025-07-02 11:11 · 2025-07-04 16:13
Top ASN
AS12816 · Leibniz-Rechenzentrum
Top organization / ISP
— · Leibniz-Rechenzentrum
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2
Open report →

138.246.3.0/24

Risk Max — LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
138.246.3.0
Broadcast
138.246.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1732 , 11.5706
Hits / Errors
34 hits · 0 errors
First / Last seen
2025-05-21 10:33 · 2025-05-21 10:34
Top ASN
AS12816 · Leibniz-Rechenzentrum
Top organization / ISP
— · Leibniz-Rechenzentrum
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

129.187.244.0/24

Risk Max — LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
129.187.244.0
Broadcast
129.187.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1475 , 11.5865
Hits / Errors
6 hits · 3 errors
First / Last seen
2024-01-06 06:43 · 2024-01-06 06:44
Top ASN
AS12816 · Leibniz-Rechenzentrum
Top organization / ISP
LRZ-MUNICH · Leibniz-Rechenzentrum
Top geo
Germany · Bavaria · Munich
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2
Open report →

138.246.253.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.246.253.0
Broadcast
138.246.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1363 , 11.5357
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 00:51 · 2025-12-17 17:04
Top ASN
AS12816 · Leibniz-Rechenzentrum
Top organization / ISP
Technische Universitaet Muenchen · Leibniz-Rechenzentrum
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →