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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: Kyoto · Clear
Snapshot 2026-03-11 Results 4 Page 1 / 1

121.102.58.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
121.102.58.0
Broadcast
121.102.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0231 , 135.752
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2497 · Internet Initiative Japan Inc.
Top organization / ISP
Internet Initiative Japan Inc. · Internet Initiative Japan Inc.
Top geo
Japan · Kyoto · Kyoto
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

58.13.30.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
58.13.30.0
Broadcast
58.13.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0231 , 135.752
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS17506 · ARTERIA Networks Corporation
Top organization / ISP
ARTERIA Networks Corp. · ARTERIA Networks Corporation
Top geo
Japan · Kyoto · Kyoto
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

133.106.210.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
133.106.210.0
Broadcast
133.106.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0211 , 135.754
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS138384 · Rakuten Mobile Network, Inc.
Top organization / ISP
RMN · Rakuten Mobile, Inc.
Top geo
Japan · Kyoto · Kyoto
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

121.84.27.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.84.27.0
Broadcast
121.84.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0231 , 135.752
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS17511 · OPTAGE Inc.
Top organization / ISP
K-Opticom Corporation · OPTAGE Inc.
Top geo
Japan · Kyoto · Kyoto
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →