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:
Japan Network Information Center
·
Clear
Snapshot
2026-03-07
Results
10
Page
1
/
1
219.104.134.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
219.104.134.0
Broadcast
219.104.134.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
35.8674 , 139.64866
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Saitama
·
Saitama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.112.56.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
219.112.56.0
Broadcast
219.112.56.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.3316 , 136.87
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS4686 ·
BEKKOAME INTERNET INC.
Top organization / ISP
FreeBit Co., Ltd.
·
Japan Network Information Center
Top geo
Japan
·
Aichi
·
Kōnan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.131.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
219.104.131.0
Broadcast
219.104.131.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.4337 , 139.6499
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Kanagawa
·
Yokohama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.130.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
219.104.130.0
Broadcast
219.104.130.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.0456 , 141.3522
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Hokkaido
·
Sapporo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.168.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
219.104.168.0
Broadcast
219.104.168.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6967 , 135.5154
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Osaka
·
Osaka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.141.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
219.104.141.0
Broadcast
219.104.141.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6837 , 139.6805
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Tokyo
·
Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
219.104.162.0
Broadcast
219.104.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
33.5408 , 130.3429
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Fukuoka
·
Noke
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.132.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
219.104.132.0
Broadcast
219.104.132.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.4078 , 139.523
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
Japan Network Information Center
·
Sony Network Communications Inc.
Top geo
Japan
·
Kanagawa
·
Yabechō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.104.206.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
219.104.206.0
Broadcast
219.104.206.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6731 , 140.3313
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2527 ·
Sony Network Communications Inc.
Top organization / ISP
So-net Service
·
Japan Network Information Center
Top geo
Japan
·
Chiba
·
Yachimata
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
219.112.40.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
219.112.40.0
Broadcast
219.112.40.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.05 , 140.883
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4686 ·
BEKKOAME INTERNET INC.
Top organization / ISP
FreeBit Co., Ltd.
·
Japan Network Information Center
Top geo
Japan
·
Fukushima
·
Iwaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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