DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6

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.
Active filter: Chiba · Clear
Snapshot 2026-01-20 Results 30 Page 1 / 1

184.168.127.0/24

Risk Max 1 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
184.168.127.0
Broadcast
184.168.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6074 , 140.107
Hits / Errors
6 hits · 0 errors
First / Last seen
2024-05-31 11:51 · 2024-06-01 01:51
Top ASN
AS26496 · GoDaddy.com, LLC
Top organization / ISP
GoDaddy.com, LLC · GoDaddy.com, LLC
Top geo
Japan · Chiba · Chiba
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2
Open report →

183.180.107.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.180.107.0
Broadcast
183.180.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7924 , 139.9039
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-10-08 15:40 · 2024-10-08 15:40
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
ARTERIA Networks Corporation · ARTERIA Networks Corporation
Top geo
Japan · Chiba · Matsudo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
Open report →

124.45.117.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
124.45.117.0
Broadcast
124.45.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8634 , 139.9654
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-28 04:58 · 2023-07-28 04:58
Top ASN
AS9595 · NTT-ME Corporation
Top organization / ISP
NTT-ME Corporation · NTT-ME Corporation
Top geo
Japan · Chiba · Kashiwa
Window / Updated
2023-07-24 → 2023-07-31 · 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 →

49.106.217.0/24

Risk Max — LOW Footprint 0.391% Hits 74
Prefix / IP version
/24 · IPv4
Network
49.106.217.0
Broadcast
49.106.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.4137 , 140.021
Hits / Errors
74 hits · 9 errors
First / Last seen
2025-12-17 06:17 · 2025-12-17 14:06
Top ASN
AS9605 · NTT DOCOMO, INC.
Top organization / ISP
NTTDoCoMo · NTT Docomo, inc.
Top geo
Japan · Chiba · Sodegaura
Window / Updated
2025-12-15 → 2025-12-22 · 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 →

133.201.154.0/24

Risk Max — LOW Footprint 0.391% Hits 44
Prefix / IP version
/24 · IPv4
Network
133.201.154.0
Broadcast
133.201.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7924 , 139.9039
Hits / Errors
44 hits · 0 errors
First / Last seen
2024-11-07 22:56 · 2024-11-07 22:58
Top ASN
AS2518 · BIGLOBE Inc.
Top organization / ISP
NEC BIGLOBE Ltd. · BIGLOBE Inc.
Top geo
Japan · Chiba · Matsudo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2
Open report →

126.194.251.0/24

Risk Max — LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
126.194.251.0
Broadcast
126.194.251.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.3108 , 139.819
Hits / Errors
30 hits · 0 errors
First / Last seen
2025-03-23 04:42 · 2025-03-23 04:47
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
SOFTBANK Corp · SoftBank Corp.
Top geo
Japan · Chiba · Futtsu
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2
Open report →

219.59.84.0/24

Risk Max — LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
219.59.84.0
Broadcast
219.59.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7833 , 140.317
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-07-31 22:48 · 2025-07-31 22:53
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Japan nation-wide Network of SOFTBANK Corp. · SoftBank Corp.
Top geo
Japan · Chiba · Narita
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

1.21.119.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
1.21.119.0
Broadcast
1.21.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6588 , 139.901
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-08-13 05:22 · 2025-08-13 05:23
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Marubeni Access Solutions Inc. · ARTERIA Networks Corporation
Top geo
Japan · Chiba · Urayasu
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

221.248.228.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
221.248.228.0
Broadcast
221.248.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7059 , 140.0004
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-20 05:29 · 2025-04-20 05:29
Top ASN
AS17506 · ARTERIA Networks Corporation
Top organization / ISP
UCOM Corp. · USEN-BFL
Top geo
Japan · Chiba · Honchō
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2
Open report →

133.163.141.0/24

Risk Max — LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
133.163.141.0
Broadcast
133.163.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.4131 , 139.9505
Hits / Errors
14 hits · 1 errors
First / Last seen
2024-02-14 06:27 · 2024-02-14 06:28
Top ASN
AS2510 · FUJITSU LIMITED
Top organization / ISP
Fujitsu Ltd. · Fujitsu Limited
Top geo
Japan · Chiba · Dezu
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2
Open report →

219.103.168.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
219.103.168.0
Broadcast
219.103.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7737 , 139.9847
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-09-28 19:01 · 2024-09-28 19:02
Top ASN
AS9595 · NTT-ME Corporation
Top organization / ISP
Ntt-me Corporation · NTT-ME Corporation
Top geo
Japan · Chiba · Kamagaya Shi
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2
Open report →

49.109.152.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
49.109.152.0
Broadcast
49.109.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.5167 , 140.317
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-01 02:14 · 2024-11-01 02:14
Top ASN
AS9605 · NTT DOCOMO, INC.
Top organization / ISP
NTTDoCoMo · NTT Docomo, inc.
Top geo
Japan · Chiba · Ōami
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →

39.111.208.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
39.111.208.0
Broadcast
39.111.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.3764 , 139.9384
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-09-27 00:39 · 2024-09-27 00:39
Top ASN
AS2527 · Sony Network Communications Inc.
Top organization / ISP
Sony Network Communications Inc. · Sony Network Communications Inc
Top geo
Japan · Chiba · Kisarazu
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2
Open report →

68.178.226.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
68.178.226.0
Broadcast
68.178.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6074 , 140.107
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-29 09:10 · 2025-09-29 09:11
Top ASN
AS26496 · GoDaddy.com, LLC
Top organization / ISP
GoDaddy.com, LLC · GoDaddy.com, LLC
Top geo
Japan · Chiba · Chiba
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

106.73.130.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
106.73.130.0
Broadcast
106.73.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7059 , 140.0004
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-08-05 13:53 · 2025-08-05 13:57
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
— · JPNE-IP4
Top geo
Japan · Chiba · Honchō
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

1.73.140.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
1.73.140.0
Broadcast
1.73.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.5167 , 140.317
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-11-29 10:49 · 2024-11-29 10:49
Top ASN
AS9605 · NTT DOCOMO, INC.
Top organization / ISP
NTTDoCoMo · NTT Docomo, inc.
Top geo
Japan · Chiba · Ōami
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

104.28.206.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
104.28.206.0
Broadcast
104.28.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7049 , 139.9843
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-01-29 06:43 · 2024-01-29 06:43
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Cloudflare WARP · Cloudflare, Inc.
Top geo
Japan · Chiba · Funabashi
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2
Open report →

106.150.237.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
106.150.237.0
Broadcast
106.150.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8761 , 139.9802
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-08 20:25 · 2025-10-08 20:25
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
KDDI · Kddi Corporation
Top geo
Japan · Chiba · Kashiwa
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

126.254.134.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
126.254.134.0
Broadcast
126.254.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.63 , 139.88
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-23 10:20 · 2025-09-23 10:20
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
SOFTBANK Corp · SoftBank Corp.
Top geo
Japan · Chiba · Maihama
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

133.175.54.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
133.175.54.0
Broadcast
133.175.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.751 , 140.1342
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-23 09:51 · 2025-04-23 09:51
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
Toray Industries, Inc. · ARTERIA Networks Corporation
Top geo
Japan · Chiba · Yachiyo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2
Open report →

122.134.4.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
122.134.4.0
Broadcast
122.134.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6481 , 139.9115
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-04 04:55 · 2025-04-04 04:55
Top ASN
AS2518 · BIGLOBE Inc.
Top organization / ISP
BIGLOBE · NEC BIGLOBE Ltd.
Top geo
Japan · Chiba · Urayasu
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2
Open report →

60.37.152.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
60.37.152.0
Broadcast
60.37.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7238 , 139.9369
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-02 19:48 · 2025-04-02 19:48
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Chiba · Ichikawa
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2
Open report →

60.47.44.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
60.47.44.0
Broadcast
60.47.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7059 , 140.0004
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-26 10:18 · 2025-03-26 10:18
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
NTT Communications Corporation · NTT Communications Corporation
Top geo
Japan · Chiba · Honchō
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2
Open report →

58.91.122.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
58.91.122.0
Broadcast
58.91.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7059 , 140.0004
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-04 03:02 · 2025-02-04 03:02
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Chiba · Honchō
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2
Open report →

118.0.210.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
118.0.210.0
Broadcast
118.0.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6689 , 140.0423
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-01-27 15:26 · 2025-01-27 15:26
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Chiba · Makuharihongo
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2
Open report →

118.0.152.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
118.0.152.0
Broadcast
118.0.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6064 , 140.1291
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-01-25 14:50 · 2025-01-25 14:50
Top ASN
AS4713 · NTT DOCOMO BUSINESS,Inc.
Top organization / ISP
Open Computer Network · NTT Communications Corporation
Top geo
Japan · Chiba · Chiba
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2
Open report →

210.146.174.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
210.146.174.0
Broadcast
210.146.174.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7059 , 140.0004
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-10-10 17:14 · 2024-10-10 17:14
Top ASN
AS2519 · ARTERIA Networks Corporation
Top organization / ISP
GMO Internet, Inc. · ARTERIA Networks Corporation
Top geo
Japan · Chiba · Honchō
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
Open report →