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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: Ibaraki · Clear
Snapshot 2026-01-22 Results 5 Page 1 / 1

43.246.198.0/24

Risk Max 5 LOW Footprint 0.391% Hits 53
Prefix / IP version
/24 · IPv4
Network
43.246.198.0
Broadcast
43.246.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.0582 , 140.138
Hits / Errors
53 hits · 49 errors
First / Last seen
2025-08-24 05:02 · 2025-08-24 05:13
Top ASN
AS5065 · Bunny Communications
Top organization / ISP
Bunny Communications LLC · Bunny Communications
Top geo
Japan · Ibaraki · Tsukuba
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

122.135.111.0/24

Risk Max 2 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
122.135.111.0
Broadcast
122.135.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.9959 , 140.3441
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-12-28 23:00 · 2024-12-28 23:00
Top ASN
AS2518 · BIGLOBE Inc.
Top organization / ISP
BIGLOBE · NEC BIGLOBE Ltd.
Top geo
Japan · Ibaraki · Inashiki
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2
Open report →

133.51.197.0/24

Risk Max — LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
133.51.197.0
Broadcast
133.51.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.0705 , 140.0855
Hits / Errors
28 hits · 4 errors
First / Last seen
2024-12-03 12:17 · 2024-12-03 12:46
Top ASN
AS37917 · University of Tsukuba
Top organization / ISP
— · University of Tsukuba
Top geo
Japan · Ibaraki · Tsukuba
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2
Open report →

60.89.172.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
60.89.172.0
Broadcast
60.89.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.05 , 140.167
Hits / Errors
17 hits · 1 errors
First / Last seen
2025-06-27 09:59 · 2025-06-27 10:21
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.
Top geo
Japan · Ibaraki · Naka
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2
Open report →

126.73.111.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
126.73.111.0
Broadcast
126.73.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.1833 , 139.967
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-01-12 07:44 · 2025-01-12 07:44
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
SOFTBANK Corp · SoftBank Corp.
Top geo
Japan · Ibaraki · Shimo-tsuma
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2
Open report →