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:
Shizuoka
·
Clear
Snapshot
2026-03-08
Results
20
Page
1
/
1
59.84.239.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
59.84.239.0
Broadcast
59.84.239.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.699 , 137.7337
Hits / Errors
6
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Hamamatsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
114.49.57.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
114.49.57.0
Broadcast
114.49.57.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.75 , 137.917
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS17676 ·
SoftBank Corp.
Top organization / ISP
SOFTBANK Corp
·
SoftBank Corp.
Top geo
Japan
·
Shizuoka
·
Fukuroi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.191.5.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
153.191.5.0
Broadcast
153.191.5.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.699 , 137.7337
Hits / Errors
3
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
·
NTT Communications Corporation
Top geo
Japan
·
Shizuoka
·
Hamamatsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
180.199.217.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
180.199.217.0
Broadcast
180.199.217.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.699 , 137.7337
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS18126 ·
Chubu Telecommunications Company, Inc.
Top organization / ISP
Chubu Telecommunications Co., Inc.
·
Chubu Telecommunications Company, Inc.
Top geo
Japan
·
Shizuoka
·
Hamamatsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
182.21.206.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
182.21.206.0
Broadcast
182.21.206.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.699 , 137.7337
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Hamamatsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
150.9.134.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
150.9.134.0
Broadcast
150.9.134.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.9804 , 138.3854
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS4685 ·
Asahi Net
Top organization / ISP
Internet Numbers Authority
·
Internet Numbers Authority
Top geo
Japan
·
Shizuoka
·
Shizuoka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.215.238.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.215.238.0
Broadcast
153.215.238.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6944 , 137.7216
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Shizuoka
·
Hamamatsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
116.254.77.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
116.254.77.0
Broadcast
116.254.77.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.1851 , 138.6857
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Fuji
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
114.49.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
114.49.162.0
Broadcast
114.49.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.75 , 137.917
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS17676 ·
SoftBank Corp.
Top organization / ISP
SOFTBANK Corp
·
SoftBank Corp.
Top geo
Japan
·
Shizuoka
·
Fukuroi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
220.216.19.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
220.216.19.0
Broadcast
220.216.19.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.9882 , 138.3742
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Shizuoka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.85.247.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
59.85.247.0
Broadcast
59.85.247.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.8564 , 138.279
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Yaizu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.191.66.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.191.66.0
Broadcast
153.191.66.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.699 , 137.7337
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
·
NTT Communications Corporation
Top geo
Japan
·
Shizuoka
·
Hamamatsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
126.236.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
126.236.162.0
Broadcast
126.236.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.7029 , 138.12
Hits / Errors
1
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
·
Shizuoka
·
Kikugawa
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.207.132.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.207.132.0
Broadcast
133.207.132.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.9804 , 138.3854
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2518 ·
BIGLOBE Inc.
Top organization / ISP
NEC BIGLOBE Ltd.
·
BIGLOBE Inc.
Top geo
Japan
·
Shizuoka
·
Shizuoka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
14.133.191.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
14.133.191.0
Broadcast
14.133.191.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.8559 , 138.275
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS18126 ·
Chubu Telecommunications Company, Inc.
Top organization / ISP
Chubu Telecommunications Co., Inc.
·
Chubu Telecommunications Company, Inc.
Top geo
Japan
·
Shizuoka
·
Fujieda
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.98.43.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
27.98.43.0
Broadcast
27.98.43.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.2334 , 138.6243
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Fujinomiya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
42.124.209.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
42.124.209.0
Broadcast
42.124.209.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.9882 , 138.3742
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
ACROSS
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Shizuoka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
112.138.216.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
112.138.216.0
Broadcast
112.138.216.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.8564 , 138.279
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Yaizu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
42.125.61.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
42.125.61.0
Broadcast
42.125.61.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.311 , 138.9239
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Gotenba Shi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
61.120.244.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
61.120.244.0
Broadcast
61.120.244.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.1125 , 138.8628
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS10010 ·
TOKAI Communications Corporation
Top organization / ISP
TOKAI
·
TOKAI Communications Corporation
Top geo
Japan
·
Shizuoka
·
Numazu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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