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:
Open Computer Network
·
Clear
Snapshot
2026-03-09
Results
65
Page
2
/
2
153.229.136.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.229.136.0
Broadcast
153.229.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6967 , 135.5154
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 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
·
Osaka
·
Osaka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.231.9.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.231.9.0
Broadcast
153.231.9.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.1796 , 136.9166
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
·
Aichi
·
Nagoya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.238.193.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.238.193.0
Broadcast
153.238.193.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.0157 , 144.2776
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
·
Hokkaido
·
Abashiri
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.246.252.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.246.252.0
Broadcast
153.246.252.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.5263 , 139.6265
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
·
Kanagawa
·
Okurayama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
61.127.154.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
61.127.154.0
Broadcast
61.127.154.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.2362 , 138.4664
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
·
Open Computer Network
Top geo
Japan
·
Nagano
·
Saku
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
114.163.132.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
114.163.132.0
Broadcast
114.163.132.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.0671 , 130.627
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Kagoshima
·
Shinohara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
118.9.42.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
118.9.42.0
Broadcast
118.9.42.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.3502 , 140.4258
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Ibaraki
·
Mito
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.156.113.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.156.113.0
Broadcast
153.156.113.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
26.2636 , 127.7548
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Okinawa
·
Ginowan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.170.69.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.170.69.0
Broadcast
153.170.69.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.3369 , 139.0189
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Gunma
·
Takasaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.194.50.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.194.50.0
Broadcast
153.194.50.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8292 , 139.6789
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Saitama
·
Chūō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
180.17.129.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
180.17.129.0
Broadcast
180.17.129.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.0104 , 135.8707
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Shiga
·
Ōtsu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
114.150.216.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
114.150.216.0
Broadcast
114.150.216.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.3723 , 139.2248
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Kanagawa
·
Hadano
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
122.21.176.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
122.21.176.0
Broadcast
122.21.176.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.2158 , 135.1638
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Wakayama
·
Wakayama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
122.26.17.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
122.26.17.0
Broadcast
122.26.17.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.4338 , 139.6496
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Kanagawa
·
Yokohama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
124.98.32.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
124.98.32.0
Broadcast
124.98.32.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.7481 , 129.8816
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Nagasaki
·
Nagasaki
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.205.68.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.205.68.0
Broadcast
153.205.68.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.4931 , 139.4566
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Kanagawa
·
Shimotsuruma
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.228.119.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.228.119.0
Broadcast
153.228.119.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6967 , 135.5154
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Osaka
·
Osaka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.235.78.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.235.78.0
Broadcast
153.235.78.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.244 , 139.113
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Kanagawa
·
Odawara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.236.167.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.236.167.0
Broadcast
153.236.167.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6906 , 139.77
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Tokyo
·
Chiyoda City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.239.19.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.239.19.0
Broadcast
153.239.19.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6892 , 135.4899
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Osaka
·
Osaka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.239.203.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.239.203.0
Broadcast
153.239.203.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.7115 , 135.5544
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Osaka
·
Noe
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
180.32.71.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
180.32.71.0
Broadcast
180.32.71.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.2693 , 135.3823
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Wakayama
·
Kinokawa
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
220.106.45.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
220.106.45.0
Broadcast
220.106.45.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.4785 , 133.0489
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
— ·
Open Computer Network
Top geo
Japan
·
Shimane
·
Matsue
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
118.1.226.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
118.1.226.0
Broadcast
118.1.226.255
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
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Tokyo
·
Tokyo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
118.22.140.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
118.22.140.0
Broadcast
118.22.140.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
38.2468 , 140.3683
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network
·
NTT Communications Corporation
Top geo
Japan
·
Yamagata
·
Yamagata
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
« First
‹ Prev
Page
2
of
2
Next ›
Last »
×
This is a custom alert message.
×
Confirm Action
Are you sure you want to proceed?
