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:
Rakuten Mobile Network, Inc.
·
Clear
Snapshot
2026-01-21
Results
30
Page
1
/
1
133.106.52.0/24
Risk Max
—
LOW
Footprint
4.688
%
Hits
87
Prefix / IP version
/24 · IPv4
Network
133.106.52.0
Broadcast
133.106.52.255
Observed IPs / Subnet size
12
observed ·
256
total
Centroid
41.98064597701149 , 140.8281149425287
Hits / Errors
87
hits ·
12
errors
First / Last seen
2025-01-10 10:28 · 2025-01-11 23:26
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Hokkaido
·
Sapporo
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
133.106.50.0/24
Risk Max
—
LOW
Footprint
3.906
%
Hits
99
Prefix / IP version
/24 · IPv4
Network
133.106.50.0
Broadcast
133.106.50.255
Observed IPs / Subnet size
10
observed ·
256
total
Centroid
34.740385714285715 , 135.51161038961038
Hits / Errors
99
hits ·
7
errors
First / Last seen
2025-01-13 18:34 · 2025-01-14 18:28
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Osaka
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
133.106.61.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
23
Prefix / IP version
/24 · IPv4
Network
133.106.61.0
Broadcast
133.106.61.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
35.7697 , 140.002
Hits / Errors
23
hits ·
2
errors
First / Last seen
2025-01-10 10:28 · 2025-01-11 21:04
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Chiba
·
Kamagaya
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
133.106.60.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
19
Prefix / IP version
/24 · IPv4
Network
133.106.60.0
Broadcast
133.106.60.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
35.65 , 140.067
Hits / Errors
19
hits ·
1
errors
First / Last seen
2025-01-14 11:07 · 2025-01-14 17:12
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Chiba
·
Kemigawa
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
133.106.148.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
19
Prefix / IP version
/24 · IPv4
Network
133.106.148.0
Broadcast
133.106.148.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
35.7681 , 139.719
Hits / Errors
19
hits ·
1
errors
First / Last seen
2025-01-14 04:13 · 2025-01-14 04:14
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Jūjō-nakahara
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
133.106.49.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
15
Prefix / IP version
/24 · IPv4
Network
133.106.49.0
Broadcast
133.106.49.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
35.1 , 138.86700000000002
Hits / Errors
15
hits ·
2
errors
First / Last seen
2024-05-27 17:27 · 2024-05-27 17:28
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Shizuoka
·
Numazu
Window / Updated
2024-05-27 → 2024-06-03 · Updated
2026-01-14
· v2
Open report →
133.106.154.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
133.106.154.0
Broadcast
133.106.154.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
35.724500000000006 , 139.68200000000002
Hits / Errors
4
hits ·
2
errors
First / Last seen
2024-02-06 13:54 · 2024-02-06 15:40
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Higashimurayama
Window / Updated
2024-02-05 → 2024-02-12 · Updated
2026-01-14
· v2
Open report →
133.106.63.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
81
Prefix / IP version
/24 · IPv4
Network
133.106.63.0
Broadcast
133.106.63.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
33.8518 , 130.85
Hits / Errors
81
hits ·
13
errors
First / Last seen
2025-01-14 11:26 · 2025-01-14 12:50
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Fukuoka
·
Kitakyushu
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
133.106.192.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
66
Prefix / IP version
/24 · IPv4
Network
133.106.192.0
Broadcast
133.106.192.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6967 , 135.5154
Hits / Errors
66
hits ·
4
errors
First / Last seen
2025-07-31 16:43 · 2025-07-31 16:45
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Osaka
Window / Updated
2025-07-28 → 2025-08-04 · Updated
2026-01-14
· v2
Open report →
133.106.166.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
64
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
64
hits ·
1
errors
First / Last seen
2025-08-13 03:11 · 2025-08-13 03:16
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Saitama
·
Koshigaya
Window / Updated
2025-08-11 → 2025-08-18 · Updated
2026-01-14
· v2
Open report →
210.157.205.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
53
Prefix / IP version
/24 · IPv4
Network
210.157.205.0
Broadcast
210.157.205.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6818 , 140.042
Hits / Errors
53
hits ·
0
errors
First / Last seen
2025-03-15 05:52 · 2025-03-15 07:35
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Chiba
·
Narashino
Window / Updated
2025-03-10 → 2025-03-17 · Updated
2026-01-14
· v2
Open report →
133.106.189.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
35
Prefix / IP version
/24 · IPv4
Network
133.106.189.0
Broadcast
133.106.189.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6887 , 139.815
Hits / Errors
35
hits ·
10
errors
First / Last seen
2025-02-03 06:47 · 2025-02-03 06:49
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Sumiyoshi
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
133.106.206.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
33
Prefix / IP version
/24 · IPv4
Network
133.106.206.0
Broadcast
133.106.206.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6892 , 135.4899
Hits / Errors
33
hits ·
2
errors
First / Last seen
2024-11-27 14:49 · 2024-11-27 14:54
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Osaka
Window / Updated
2024-11-25 → 2024-12-02 · Updated
2026-01-14
· v2
Open report →
133.106.32.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
26
Prefix / IP version
/24 · IPv4
Network
133.106.32.0
Broadcast
133.106.32.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8364 , 139.8
Hits / Errors
26
hits ·
3
errors
First / Last seen
2024-10-05 07:53 · 2024-10-06 06:21
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Saitama
·
Sōka
Window / Updated
2024-09-30 → 2024-10-07 · Updated
2026-01-14
· v2
Open report →
133.106.37.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
21
Prefix / IP version
/24 · IPv4
Network
133.106.37.0
Broadcast
133.106.37.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.7242 , 139.704
Hits / Errors
21
hits ·
0
errors
First / Last seen
2025-04-15 08:20 · 2025-04-15 08:21
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Mejiro
Window / Updated
2025-04-14 → 2025-04-21 · Updated
2026-01-14
· v2
Open report →
133.106.210.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
20
Prefix / IP version
/24 · IPv4
Network
133.106.210.0
Broadcast
133.106.210.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.5822 , 135.467
Hits / Errors
20
hits ·
1
errors
First / Last seen
2025-01-18 08:24 · 2025-01-18 09:18
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Sakai
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
133.106.134.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
13
Prefix / IP version
/24 · IPv4
Network
133.106.134.0
Broadcast
133.106.134.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.1815 , 136.906
Hits / Errors
13
hits ·
1
errors
First / Last seen
2024-10-04 07:50 · 2024-10-04 07:51
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Aichi
·
Nagoya
Window / Updated
2024-09-30 → 2024-10-07 · Updated
2026-01-14
· v2
Open report →
133.106.252.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
12
Prefix / IP version
/24 · IPv4
Network
133.106.252.0
Broadcast
133.106.252.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.5667 , 135.55
Hits / Errors
12
hits ·
1
errors
First / Last seen
2024-11-22 13:34 · 2024-11-22 13:34
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Matsubara
Window / Updated
2024-11-18 → 2024-11-25 · Updated
2026-01-14
· v2
Open report →
133.106.226.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
12
Prefix / IP version
/24 · IPv4
Network
133.106.226.0
Broadcast
133.106.226.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.247 , 136.878
Hits / Errors
12
hits ·
0
errors
First / Last seen
2024-10-09 13:23 · 2024-10-09 13:25
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Aichi
·
Kitanagoya
Window / Updated
2024-10-07 → 2024-10-14 · Updated
2026-01-14
· v2
Open report →
133.106.142.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
11
Prefix / IP version
/24 · IPv4
Network
133.106.142.0
Broadcast
133.106.142.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.8727 , 139.514
Hits / Errors
11
hits ·
5
errors
First / Last seen
2025-02-03 06:47 · 2025-02-03 06:47
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Saitama
·
Kamifukuoka
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
133.106.216.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
8
Prefix / IP version
/24 · IPv4
Network
133.106.216.0
Broadcast
133.106.216.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.6667 , 135.583
Hits / Errors
8
hits ·
2
errors
First / Last seen
2024-09-16 01:44 · 2024-09-16 01:55
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Higashiosaka
Window / Updated
2024-09-16 → 2024-09-23 · Updated
2026-01-14
· v2
Open report →
133.106.185.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
133.106.185.0
Broadcast
133.106.185.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.7667 , 139.771
Hits / Errors
6
hits ·
0
errors
First / Last seen
2025-08-13 03:13 · 2025-08-13 03:17
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Ōgi
Window / Updated
2025-08-11 → 2025-08-18 · Updated
2026-01-14
· v2
Open report →
133.106.38.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
133.106.38.0
Broadcast
133.106.38.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.5206 , 139.717
Hits / Errors
4
hits ·
3
errors
First / Last seen
2024-11-20 08:24 · 2024-11-20 08:24
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Kanagawa
·
Kawasaki
Window / Updated
2024-11-18 → 2024-11-25 · Updated
2026-01-14
· v2
Open report →
133.106.45.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
133.106.45.0
Broadcast
133.106.45.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.7465 , 139.614
Hits / Errors
3
hits ·
1
errors
First / Last seen
2025-01-14 07:26 · 2025-01-14 07:27
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Takanodai
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
202.216.0.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
202.216.0.0
Broadcast
202.216.0.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6906 , 139.77
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-04-03 03:18 · 2025-04-03 03:18
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Chiyoda City
Window / Updated
2025-03-31 → 2025-04-07 · Updated
2026-01-14
· v2
Open report →
133.106.44.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
133.106.44.0
Broadcast
133.106.44.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.5667 , 139.733
Hits / Errors
2
hits ·
1
errors
First / Last seen
2024-10-08 08:53 · 2024-10-08 08:53
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Ōmorinaka
Window / Updated
2024-10-07 → 2024-10-14 · Updated
2026-01-14
· v2
Open report →
133.106.152.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.106.152.0
Broadcast
133.106.152.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.3532 , 139.21
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-09-24 06:54 · 2025-09-24 06:54
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Kanagawa
·
Sakai
Window / Updated
2025-09-22 → 2025-09-29 · Updated
2026-01-14
· v2
Open report →
133.106.156.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.106.156.0
Broadcast
133.106.156.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.7535 , 139.822
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-02-07 13:22 · 2025-02-07 13:22
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Kosuge
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
133.106.180.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.106.180.0
Broadcast
133.106.180.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
35.6719 , 139.685
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-02-03 06:49 · 2025-02-03 06:49
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Tokyo
·
Motoyoyogichō
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
133.106.255.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
133.106.255.0
Broadcast
133.106.255.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
34.8772 , 135.665
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-18 08:24 · 2025-01-18 08:24
Top ASN
AS138384 ·
Rakuten Mobile Network, Inc.
Top organization / ISP
RMN
·
Rakuten Mobile, Inc.
Top geo
Japan
·
Osaka
·
Minase
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
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