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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: Niigata · Clear
Snapshot 2026-03-08 Results 5 Page 1 / 1

27.253.251.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
27.253.251.0
Broadcast
27.253.251.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.379149999999996 , 137.438
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS55387 · Japan Communication Inc.
Top organization / ISP
Japan Communications Inc. · Japan Communication Inc.
Top geo
Japan · Niigata · Sado
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

14.8.131.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
14.8.131.0
Broadcast
14.8.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6293 , 138.9504
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · Kddi Corporation
Top geo
Japan · Niigata · Sanjō
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

153.211.0.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
153.211.0.0
Broadcast
153.211.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.9141 , 139.0473
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Niigata · Higashiboridōri
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

114.148.173.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
114.148.173.0
Broadcast
114.148.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6374 , 138.9566
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Niigata · Sanjō
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

14.8.132.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.8.132.0
Broadcast
14.8.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.0735 , 138.9028
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · Kddi Corporation
Top geo
Japan · Niigata · Minamiuonuma
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →