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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.

101.36.104.0/24

Risk Max 3 LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
101.36.104.0
Broadcast
101.36.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
5 hits · 4 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.58.233.0/24

Risk Max 3 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
154.58.233.0
Broadcast
154.58.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6764 , 139.65
Hits / Errors
4 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS152644 · QINIU Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

152.32.146.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.32.146.0
Broadcast
152.32.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
4 hits · 2 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.102.51.0/24

Risk Max LOW Footprint 14.062% Hits 66
Prefix / IP version
/24 · IPv4
Network
212.102.51.0
Broadcast
212.102.51.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
35.6893 , 139.68989999999997
Hits / Errors
66 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

149.88.103.0/24

Risk Max LOW Footprint 5.078% Hits 31
Prefix / IP version
/24 · IPv4
Network
149.88.103.0
Broadcast
149.88.103.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
35.6893 , 139.68990000000002
Hits / Errors
31 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.19.205.0/24

Risk Max LOW Footprint 4.297% Hits 22
Prefix / IP version
/24 · IPv4
Network
37.19.205.0
Broadcast
37.19.205.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
22 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

219.100.37.0/24

Risk Max LOW Footprint 2.734% Hits 23
Prefix / IP version
/24 · IPv4
Network
219.100.37.0
Broadcast
219.100.37.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
35.90682608695652 , 139.86495652173915
Hits / Errors
23 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

103.60.188.0/24

Risk Max LOW Footprint 2.734% Hits 22
Prefix / IP version
/24 · IPv4
Network
103.60.188.0
Broadcast
103.60.188.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
35.6594 , 139.706
Hits / Errors
22 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS150699 · INAAYA IT SOLUTIONS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

138.199.21.0/24

Risk Max LOW Footprint 2.734% Hits 12
Prefix / IP version
/24 · IPv4
Network
138.199.21.0
Broadcast
138.199.21.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

159.26.119.0/24

Risk Max LOW Footprint 2.344% Hits 14
Prefix / IP version
/24 · IPv4
Network
159.26.119.0
Broadcast
159.26.119.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
35.6893 , 139.68990000000002
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS208172 · Proton AG
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

138.199.22.0/24

Risk Max LOW Footprint 1.562% Hits 13
Prefix / IP version
/24 · IPv4
Network
138.199.22.0
Broadcast
138.199.22.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
35.6893 , 139.68990000000002
Hits / Errors
13 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS60068 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

46.203.52.0/24

Risk Max LOW Footprint 1.562% Hits 11
Prefix / IP version
/24 · IPv4
Network
46.203.52.0
Broadcast
46.203.52.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
11 hits · 1 errors
First / Last seen
2026-02-24 02:00 · 2026-03-01 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

108.165.181.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
108.165.181.0
Broadcast
108.165.181.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
5 hits · 2 errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

204.93.184.0/24

Risk Max LOW Footprint 0.781% Hits 9
Prefix / IP version
/24 · IPv4
Network
204.93.184.0
Broadcast
204.93.184.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

64.252.113.0/24

Risk Max LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
64.252.113.0
Broadcast
64.252.113.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6895 , 139.692
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.165.189.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
43.165.189.0
Broadcast
43.165.189.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

103.125.235.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
103.125.235.0
Broadcast
103.125.235.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6803 , 139.769
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
Top organization / ISP
— · Owl Limited
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

103.75.71.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
103.75.71.0
Broadcast
103.75.71.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS62390 · NexonHost Srl
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

58.13.195.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
58.13.195.0
Broadcast
58.13.195.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6289 , 139.7915
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

45.87.213.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
45.87.213.0
Broadcast
45.87.213.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6191 , 139.751
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS9009 · M247 Europe SRL
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

106.146.194.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
106.146.194.0
Broadcast
106.146.194.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6114 , 139.717
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

111.238.241.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
111.238.241.0
Broadcast
111.238.241.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

195.40.121.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
195.40.121.0
Broadcast
195.40.121.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

103.108.230.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
103.108.230.0
Broadcast
103.108.230.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

195.172.150.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
195.172.150.0
Broadcast
195.172.150.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.167.245.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
43.167.245.0
Broadcast
43.167.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.153.135.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
43.153.135.0
Broadcast
43.153.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.163.206.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
43.163.206.0
Broadcast
43.163.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.133.187.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
43.133.187.0
Broadcast
43.133.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

204.93.209.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
204.93.209.0
Broadcast
204.93.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

192.252.178.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
192.252.178.0
Broadcast
192.252.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
8 hits · 8 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS152194 · CTG Server Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.133.14.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
43.133.14.0
Broadcast
43.133.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.167.239.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
43.167.239.0
Broadcast
43.167.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6764 , 139.65
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

124.156.226.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
124.156.226.0
Broadcast
124.156.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

164.52.0.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
164.52.0.0
Broadcast
164.52.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
6 hits · 4 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

110.233.202.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
110.233.202.0
Broadcast
110.233.202.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7202 , 139.702
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS2518 · BIGLOBE Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.167.241.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
43.167.241.0
Broadcast
43.167.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.130.228.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
43.130.228.0
Broadcast
43.130.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

43.167.157.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
43.167.157.0
Broadcast
43.167.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6893 , 139.6899
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

126.39.118.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
126.39.118.0
Broadcast
126.39.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6552 , 139.761
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
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