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:
Saitama
·
Clear
Snapshot
2026-03-07
Results
22
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 →
119.106.77.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
119.106.77.0
Broadcast
119.106.77.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.9056 , 139.6209
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2516 ·
KDDI CORPORATION
Top organization / ISP
KDDI
·
DION (KDDI CORPORATION)
Top geo
Japan
·
Saitama
·
Dotechō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
122.131.107.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
122.131.107.0
Broadcast
122.131.107.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8292 , 139.6789
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2518 ·
BIGLOBE Inc.
Top organization / ISP
BIGLOBE
·
BIGLOBE Inc.
Top geo
Japan
·
Saitama
·
Chūō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
153.134.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
153.134.21.0
Broadcast
153.134.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8924 , 139.6224
Hits / Errors
3
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
·
Kamiochiai
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
106.158.157.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
106.158.157.0
Broadcast
106.158.157.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.149 , 139.4225
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2516 ·
KDDI CORPORATION
Top organization / ISP
KDDI
·
Kddi Corporation
Top geo
Japan
·
Saitama
·
Kumagaya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
111.238.205.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
111.238.205.0
Broadcast
111.238.205.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8095 , 139.6989
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2516 ·
KDDI CORPORATION
Top organization / ISP
KDDI
·
Kddi Corporation
Top geo
Japan
·
Saitama
·
Midorichō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
14.8.37.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
14.8.37.0
Broadcast
14.8.37.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8474 , 139.5497
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2516 ·
KDDI CORPORATION
Top organization / ISP
KDDI
·
Kddi Corporation
Top geo
Japan
·
Saitama
·
Fujikubo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
1.75.246.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
1.75.246.0
Broadcast
1.75.246.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.0 , 139.557
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS9605 ·
NTT DOCOMO, INC.
Top organization / ISP
NTTDoCoMo
·
NTT Docomo, inc.
Top geo
Japan
·
Saitama
·
Okegawa
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
125.14.65.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
125.14.65.0
Broadcast
125.14.65.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.7949 , 139.7334
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS9824 ·
JCOM Co., Ltd.
Top organization / ISP
JCOM Co., Ltd
·
JCOM Co
Top geo
Japan
·
Saitama
·
Kawaguchi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
14.8.210.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
14.8.210.0
Broadcast
14.8.210.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8779 , 139.6738
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS2516 ·
KDDI CORPORATION
Top organization / ISP
KDDI
·
Kddi Corporation
Top geo
Japan
·
Saitama
·
Mimuro
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
119.171.255.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
119.171.255.0
Broadcast
119.171.255.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8554 , 139.3114
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS9824 ·
JCOM Co., Ltd.
Top organization / ISP
JCOM Co., Ltd
·
JCOM Co., Ltd.
Top geo
Japan
·
Saitama
·
Hannō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
60.70.167.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
60.70.167.0
Broadcast
60.70.167.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8408 , 139.671
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
Japan Nation-wide Network of Softbank Corp.
·
SoftBank Corp.
Top geo
Japan
·
Saitama
·
Buzō
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
218.225.250.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
218.225.250.0
Broadcast
218.225.250.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.9766 , 139.5892
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS10013 ·
FreeBit Co.,Ltd.
Top organization / ISP
Dream Train Internet Inc.
·
Dream Train Internet
Top geo
Japan
·
Saitama
·
Ageo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
14.8.44.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
14.8.44.0
Broadcast
14.8.44.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8463 , 139.5485
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS2516 ·
KDDI CORPORATION
Top organization / ISP
KDDI
·
Kddi Corporation
Top geo
Japan
·
Saitama
·
Sekizawa
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 →
153.232.136.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
153.232.136.0
Broadcast
153.232.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8669 , 139.6469
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4713 ·
NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
NTT Communications Corporation
·
NTT Communications Corporation
Top geo
Japan
·
Saitama
·
Tokiwa
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
39.111.168.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
39.111.168.0
Broadcast
39.111.168.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.0366 , 139.4032
Hits / Errors
1
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
Sony Network Communications Inc.
·
Sony Network Communications Inc.
Top geo
Japan
·
Saitama
·
Higashimatsuyama Shi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
118.241.110.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
118.241.110.0
Broadcast
118.241.110.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8549 , 139.3919
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
Sony Network Communications Inc.
·
Sony Network Communications Inc
Top geo
Japan
·
Saitama
·
Sayama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
126.158.241.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
126.158.241.0
Broadcast
126.158.241.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.9715 , 139.614
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS17676 ·
SoftBank Corp.
Top organization / ISP
SOFTBANK Corp
·
SoftBank Corp.
Top geo
Japan
·
Saitama
·
Ageo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
126.194.217.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
126.194.217.0
Broadcast
126.194.217.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.25 , 139.15
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS17676 ·
SoftBank Corp.
Top organization / ISP
SOFTBANK Corp
·
SoftBank Corp.
Top geo
Japan
·
Saitama
·
Ishigami
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.106.166.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.106.166.0
Broadcast
133.106.166.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8904 , 139.789
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Saitama
·
Koshigaya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
133.106.184.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.106.184.0
Broadcast
133.106.184.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8437 , 139.883
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Saitama
·
Misato, Saitama
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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