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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: Marubeni Access Solutions Inc. · Clear
Snapshot 2026-01-21 Results 5 Page 1 / 1

115.179.135.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
115.179.135.0
Broadcast
115.179.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-25 09:37 · 2023-07-25 09:37
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Tokyo · Chiyoda City
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2
Open report →

115.179.173.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
115.179.173.0
Broadcast
115.179.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6837 , 139.6805
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-11 04:33 · 2023-07-11 04:33
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2
Open report →

1.21.119.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
1.21.119.0
Broadcast
1.21.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6588 , 139.901
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-08-13 05:22 · 2025-08-13 05:23
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Chiba · Urayasu
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

116.91.86.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
116.91.86.0
Broadcast
116.91.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.2676 , 140.87
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-01-02 13:25 · 2025-01-02 13:25
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Miyagi · Sendai
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2
Open report →

222.228.104.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
222.228.104.0
Broadcast
222.228.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.6086 , 130.3927
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-14 07:29 · 2025-04-14 07:29
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Fukuoka · Fukuoka
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2
Open report →