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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: ASAHI · Clear
Snapshot 2026-03-08 Results 8 Page 1 / 1

131.129.250.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
131.129.250.0
Broadcast
131.129.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.5752 , 130.4198
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Fukuoka · Fukuoka
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

150.9.134.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
150.9.134.0
Broadcast
150.9.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.9804 , 138.3854
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
Internet Numbers Authority · Internet Numbers Authority
Top geo
Japan · Shizuoka · Shizuoka
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

210.170.189.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
210.170.189.0
Broadcast
210.170.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6837 , 139.6805
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

131.129.187.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.129.187.0
Broadcast
131.129.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.3369 , 139.0189
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Gunma · Takasaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.64.248.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.64.248.0
Broadcast
138.64.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.6892 , 135.4899
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Osaka · Osaka
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

14.9.212.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.9.212.0
Broadcast
14.9.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.7724 , 142.376
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · Kddi Corporation
Top geo
Japan · Hokkaido · Asahikawa
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

150.9.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
150.9.148.0
Broadcast
150.9.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1796 , 136.9166
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
Internet Numbers Authority · Internet Numbers Authority
Top geo
Japan · Aichi · Nagoya
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

183.77.47.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.77.47.0
Broadcast
183.77.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.9764 , 136.6102
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Mie · Yokkaichi
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →