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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: Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. · Clear
Snapshot 2026-01-20 Results 24 Page 1 / 1

130.149.80.0/24

Risk Max 1 LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
130.149.80.0
Broadcast
130.149.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5196 , 13.4603
Hits / Errors
34 hits · 0 errors
First / Last seen
2024-01-30 03:29 · 2024-01-30 03:30
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
— · TU Berlin, campus network
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2
Open report →

141.23.216.0/24

Risk Max — LOW Footprint 0.781% Hits 18
Prefix / IP version
/24 · IPv4
Network
141.23.216.0
Broadcast
141.23.216.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.51259999999999 , 13.331499999999998
Hits / Errors
18 hits · 3 errors
First / Last seen
2024-02-13 17:28 · 2024-02-14 17:38
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Cstub · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2
Open report →

141.23.217.0/24

Risk Max — LOW Footprint 0.391% Hits 50
Prefix / IP version
/24 · IPv4
Network
141.23.217.0
Broadcast
141.23.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5126 , 13.3315
Hits / Errors
50 hits · 10 errors
First / Last seen
2024-04-16 19:45 · 2024-04-17 21:18
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Cstub · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2
Open report →

139.18.242.0/24

Risk Max — LOW Footprint 0.391% Hits 36
Prefix / IP version
/24 · IPv4
Network
139.18.242.0
Broadcast
139.18.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.3671 , 12.3817
Hits / Errors
36 hits · 0 errors
First / Last seen
2025-02-25 13:55 · 2025-02-25 13:55
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Universitaet Leipzig · UNILEI
Top geo
Germany · Saxony · Leipzig
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2
Open report →

141.5.24.0/24

Risk Max — LOW Footprint 0.391% Hits 29
Prefix / IP version
/24 · IPv4
Network
141.5.24.0
Broadcast
141.5.24.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.9414 , 11.609
Hits / Errors
29 hits · 0 errors
First / Last seen
2025-02-13 15:30 · 2025-02-13 15:30
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
MPI Do · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Thuringia · Jena
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2
Open report →

141.65.10.0/24

Risk Max — LOW Footprint 0.391% Hits 26
Prefix / IP version
/24 · IPv4
Network
141.65.10.0
Broadcast
141.65.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.323899999999995 , 12.337999999999997
Hits / Errors
26 hits · 1 errors
First / Last seen
2025-01-24 14:34 · 2025-01-24 14:36
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Helmholtz-Zentrum fuer Umweltforschung GmbH · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saxony · Leipzig
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2
Open report →

193.174.89.0/24

Risk Max — LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
193.174.89.0
Broadcast
193.174.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.7786 , 9.9308
Hits / Errors
25 hits · 0 errors
First / Last seen
2025-10-19 20:36 · 2025-10-19 20:36
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Fachhochschule Muenster · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Bavaria · Würzburg
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2
Open report →

195.37.190.0/24

Risk Max — LOW Footprint 0.391% Hits 23
Prefix / IP version
/24 · IPv4
Network
195.37.190.0
Broadcast
195.37.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
23 hits · 22 errors
First / Last seen
2025-07-30 04:01 · 2025-07-30 04:01
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
RUB NDS · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Hesse · Frankfurt am Main
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

141.48.8.0/24

Risk Max — LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
141.48.8.0
Broadcast
141.48.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5036 , 11.9594
Hits / Errors
19 hits · 2 errors
First / Last seen
2024-11-14 14:09 · 2024-11-14 14:12
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Martin-Luther-Universitaet Halle-Wittenberg · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saxony-Anhalt · Halle
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2
Open report →

141.27.255.0/24

Risk Max — LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
141.27.255.0
Broadcast
141.27.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.8103 , 9.9648
Hits / Errors
16 hits · 2 errors
First / Last seen
2024-12-18 12:09 · 2024-12-19 12:09
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Universitaet Wuerzburg · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Bavaria · Würzburg
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2
Open report →

149.203.254.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
149.203.254.0
Broadcast
149.203.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.1143 , 11.590299999999997
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-03-04 09:45 · 2025-03-04 09:46
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Mmagdeburg · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saxony-Anhalt · Magdeburg
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →

194.95.60.0/24

Risk Max — LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
194.95.60.0
Broadcast
194.95.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.32 , 11.9204
Hits / Errors
13 hits · 0 errors
First / Last seen
2025-10-06 19:44 · 2025-10-06 19:44
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Hochschule Hof · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Bavaria · Hof
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

141.5.2.0/24

Risk Max — LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
141.5.2.0
Broadcast
141.5.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4892 , 7.410269999999999
Hits / Errors
13 hits · 1 errors
First / Last seen
2024-04-23 13:19 · 2024-04-23 16:13
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
MPI Do · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · North Rhine-Westphalia · Dortmund
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2
Open report →

194.95.141.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
194.95.141.0
Broadcast
194.95.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4308 , 13.3955
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-10-29 20:58 · 2024-10-29 20:59
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Institut fuer Halbleiterphysik Frankfurt (Oder) GmbH, Im Technologiepark 25, 15236 Frankfurt · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →

188.1.239.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
188.1.239.0
Broadcast
188.1.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.8171 , 8.6543
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-26 11:20 · 2024-11-26 11:26
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
IP networking on DFN's Wissenschaftsnetz "X-WiN", connecting research institutes spread all over GERMANY · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · North Rhine-Westphalia · Hövelhof
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

141.20.217.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
141.20.217.0
Broadcast
141.20.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5078 , 13.4326
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-19 18:34 · 2024-11-19 18:40
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Humboldt-Universitaet zu Berlin · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →

193.174.12.0/24

Risk Max — LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
193.174.12.0
Broadcast
193.174.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
54.79 , 9.4619
Hits / Errors
10 hits · 0 errors
First / Last seen
2024-04-24 15:01 · 2024-04-24 15:02
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
DFN-CERT Services GmbH · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Schleswig-Holstein · Flensburg
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2
Open report →

212.201.7.0/24

Risk Max — LOW Footprint 0.391% Hits 9
Prefix / IP version
/24 · IPv4
Network
212.201.7.0
Broadcast
212.201.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6187 , 8.7832
Hits / Errors
9 hits · 0 errors
First / Last seen
2024-11-04 11:46 · 2024-11-04 11:52
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Technische Hochschule Mittelhessen, institution of higher education, location Giessen · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Hesse · Großen Buseck
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2
Open report →

192.108.48.0/24

Risk Max — LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
192.108.48.0
Broadcast
192.108.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.5555 , 9.676599999999999
Hits / Errors
7 hits · 0 errors
First / Last seen
2025-05-23 07:51 · 2025-05-23 07:51
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Hochschule Fulda - University of Applied Sciences · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Hesse · Fulda
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

193.25.47.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
193.25.47.0
Broadcast
193.25.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.7972 , 11.7356
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-01-03 17:12 · 2025-01-03 17:14
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Hochschule Anhalt · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saxony-Anhalt · Bernburg
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2
Open report →

139.19.117.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
139.19.117.0
Broadcast
139.19.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2481 , 6.997899999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2023-11-21 09:09 · 2023-11-22 16:35
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Mpii NET 117 Inet · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saarland · Saarbrücken
Window / Updated
2023-11-20 → 2023-11-27 · Updated 2026-01-14 · v2
Open report →

141.76.94.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
141.76.94.0
Broadcast
141.76.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0295 , 13.6997
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-04 07:38 · 2025-10-04 08:18
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
TUD Netd Measurement · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saxony · Dresden
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

141.48.223.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
141.48.223.0
Broadcast
141.48.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4828 , 11.9799
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-11-13 11:42 · 2024-11-13 11:42
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Martin-Luther-Universitaet Halle-Wittenberg · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Saxony-Anhalt · Halle
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2
Open report →

131.188.6.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.188.6.0
Broadcast
131.188.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.5939 , 11.0
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-01-27 17:16 · 2025-01-27 17:16
Top ASN
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top organization / ISP
Friedrich-Alexander-Universitaet Erlangen-Nuernberg · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Top geo
Germany · Bavaria · Erlangen
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2
Open report →