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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: Yamaguchi · Clear
Snapshot 2026-01-23 Results 5 Page 1 / 1

14.13.49.0/24

Risk Max — LOW Footprint 0.391% Hits 52
Prefix / IP version
/24 · IPv4
Network
14.13.49.0
Broadcast
14.13.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.031 , 131.8526
Hits / Errors
52 hits · 0 errors
First / Last seen
2025-03-18 13:59 · 2025-03-18 14:09
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · Kddi Corporation
Top geo
Japan · Yamaguchi · Mizuhocho
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2
Open report →

216.218.221.0/24

Risk Max — LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
216.218.221.0
Broadcast
216.218.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.163 , 132.22
Hits / Errors
19 hits · 4 errors
First / Last seen
2024-12-02 14:05 · 2024-12-02 14:05
Top ASN
AS6939 · Hurricane Electric LLC
Top organization / ISP
Boingo Wireless · Hurricane Electric LLC
Top geo
Japan · Yamaguchi · Iwakuni
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2
Open report →

153.224.227.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
153.224.227.0
Broadcast
153.224.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.9581 , 130.9377
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-21 15:07 · 2025-02-21 15:07
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Yamaguchi · Shimonoseki
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2
Open report →

153.166.0.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.166.0.0
Broadcast
153.166.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.1513 , 131.8231
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-09 12:40 · 2025-03-09 12:40
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Yamaguchi · Shūnan Shi
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →

153.164.116.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.164.116.0
Broadcast
153.164.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.1513 , 131.8231
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-24 16:28 · 2025-02-24 16:28
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Yamaguchi · Shūnan Shi
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2
Open report →