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.
Search
Active filter:
ARTERIA Networks Corporation
·
Clear
Snapshot
2026-03-11
Results
13
Page
1
/
1
220.151.9.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
220.151.9.0
Broadcast
220.151.9.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
35.1927 , 136.98380000000003
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS17506 ·
ARTERIA Networks Corporation
Top organization / ISP
MSK Software Inc.
·
UCOM Corp.
Top geo
Japan
·
Aichi
·
Obataminami
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
58.13.195.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
58.13.195.0
Broadcast
58.13.195.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
35.6289 , 139.7915
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS17506 ·
ARTERIA Networks Corporation
Top organization / ISP
ARTERIA Networks Corp.
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Toyosu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
124.32.221.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
124.32.221.0
Broadcast
124.32.221.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6837 , 139.6805
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS17506 ·
ARTERIA Networks Corporation
Top organization / ISP
UCOM Corporation
·
UCOM Corp.
Top geo
Japan
·
Tokyo
·
Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.32.234.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
133.32.234.0
Broadcast
133.32.234.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6837 , 139.6805
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
— ·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.32.177.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
133.32.177.0
Broadcast
133.32.177.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
33.5848 , 130.676
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
ARTERIA Networks Corporation
·
ARTERIA Networks Corporation
Top geo
Japan
·
Fukuoka
·
Toi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
220.247.19.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
220.247.19.0
Broadcast
220.247.19.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.683 , 139.77
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
VECTANT Ltd.
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Chiyoda City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
122.222.64.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
122.222.64.0
Broadcast
122.222.64.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6837 , 139.6805
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
GMO Internet, Inc.
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Tokyo
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 →
124.34.216.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
124.34.216.0
Broadcast
124.34.216.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6907 , 139.8767
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS17506 ·
ARTERIA Networks Corporation
Top organization / ISP
UCOM Corporation
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Edogawa City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.32.216.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.32.216.0
Broadcast
133.32.216.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6837 , 139.6805
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
ARTERIA Networks Corporation
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
221.115.158.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
221.115.158.0
Broadcast
221.115.158.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.0255 , 133.9157
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS17506 ·
ARTERIA Networks Corporation
Top organization / ISP
Vectant
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokushima
·
Hara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.32.130.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.32.130.0
Broadcast
133.32.130.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6837 , 139.6805
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
— ·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.32.218.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.32.218.0
Broadcast
133.32.218.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.723 , 139.6748
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2519 ·
ARTERIA Networks Corporation
Top organization / ISP
ARTERIA Networks Corporation
·
ARTERIA Networks Corporation
Top geo
Japan
·
Tokyo
·
Kamiochiai
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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