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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: Nagasaki · Clear
Snapshot 2026-01-26 Results 6 Page 1 / 1

153.213.64.0/24

Risk Max — LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
153.213.64.0
Broadcast
153.213.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7309 , 139.6879
Hits / Errors
25 hits · 3 errors
First / Last seen
2025-01-04 07:31 · 2025-01-04 07:40
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Tokyo · Minaminagasaki
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2
Open report →

138.64.241.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
138.64.241.0
Broadcast
138.64.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.1358 , 129.891
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-10-11 11:47 · 2025-10-11 11:47
Top ASN
AS4685 · Asahi Net
Top organization / ISP
ASAHI · ASAHI Net, Inc.
Top geo
Japan · Nagasaki · Shukugō
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

180.29.252.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
180.29.252.0
Broadcast
180.29.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7481 , 129.8816
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-01-16 23:19 · 2025-01-16 23:19
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
NTT Communications Corporation · NTT Communications Corporation
Top geo
Japan · Nagasaki · Nagasaki
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2
Open report →

153.189.56.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
153.189.56.0
Broadcast
153.189.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.9238 , 129.9537
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-03-12 12:30 · 2025-03-12 12:30
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Nagasaki · Ōmura
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2
Open report →

104.28.67.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
104.28.67.0
Broadcast
104.28.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7481 , 129.8816
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-10-13 06:38 · 2024-10-13 06:38
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Cloudflare WARP · Cloudflare, Inc.
Top geo
Japan · Nagasaki · Nagasaki
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
Open report →

116.94.127.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
116.94.127.0
Broadcast
116.94.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7481 , 129.8816
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-04-23 01:10 · 2024-04-23 01:10
Top ASN
AS7679 · QTnet,Inc.
Top organization / ISP
QTnet, Inc. · QTnet, Inc.
Top geo
Japan · Nagasaki · Nagasaki
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2
Open report →