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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: Nagano · Clear
Snapshot 2026-03-07 Results 7 Page 1 / 1

142.111.67.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
142.111.67.0
Broadcast
142.111.67.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.2048 , 138.253
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Ace Data Centers, Inc · Leaseweb Japan K.K.
Top geo
Japan · Nagano · Ueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

23.26.61.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
23.26.61.0
Broadcast
23.26.61.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.2048 , 138.253
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS134351 · Leaseweb Japan K.K.
Top organization / ISP
Ace Data Centers, Inc · Leaseweb Japan K.K.
Top geo
Japan · Nagano · Ueda
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

126.133.225.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
126.133.225.0
Broadcast
126.133.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.65 , 138.183
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
SOFTBANK Corp · SoftBank Corp.
Top geo
Japan · Nagano · Nagano
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

14.8.112.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.8.112.0
Broadcast
14.8.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.63 , 138.1795
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · Kddi Corporation
Top geo
Japan · Nagano · Nagano
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

61.127.154.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
61.127.154.0
Broadcast
61.127.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.2362 , 138.4664
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · Open Computer Network
Top geo
Japan · Nagano · Saku
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

202.122.204.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
202.122.204.0
Broadcast
202.122.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.9318 , 138.2754
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS23791 · LCV Corporation
Top organization / ISP
LCV Corporation · LCV Corporation
Top geo
Japan · Nagano · Fujimi
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

59.133.15.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
59.133.15.0
Broadcast
59.133.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.848 , 138.362
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · DION (KDDI CORPORATION)
Top geo
Japan · Nagano · Hotaka
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →