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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: Shimomeguro · Clear
Snapshot 2026-01-24 Results 3 Page 1 / 1

180.3.144.0/24

Risk Max — LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
180.3.144.0
Broadcast
180.3.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6406 , 139.7033
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-03-26 00:25 · 2025-03-26 00:25
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Tokyo · Shimomeguro
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2
Open report →

153.240.159.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
153.240.159.0
Broadcast
153.240.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6259 , 139.7054
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-10-30 10:31 · 2024-10-30 10:31
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Tokyo · Shimomeguro
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →

1.33.120.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
1.33.120.0
Broadcast
1.33.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6406 , 139.7033
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-26 02:32 · 2025-04-26 02:32
Top ASN
AS2514 · NTT PC Communications, Inc.
Top organization / ISP
InfoSphere · NTT PC Communications, Inc.
Top geo
Japan · Tokyo · Shimomeguro
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2
Open report →