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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.

5.104.81.0/24

Risk Max 10 LOW Footprint 0.391% Hits 505
Prefix / IP version
/24 · IPv4
Network
5.104.81.0
Broadcast
5.104.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
505 hits · 283 errors
First / Last seen
2024-02-23 07:41 · 2024-02-23 07:59
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-02-19 → 2024-02-26 · Updated 2026-01-14 · v2

153.122.23.0/24

Risk Max 4 LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
153.122.23.0
Broadcast
153.122.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-09-28 12:52 · 2025-09-28 23:17
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

157.7.88.0/24

Risk Max 1 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
157.7.88.0
Broadcast
157.7.88.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
8 hits · 0 errors
First / Last seen
2023-08-01 03:34 · 2023-08-01 12:52
Top ASN
Top geo
Window / Updated
2023-07-31 → 2023-08-07 · Updated 2026-01-14 · v2

163.44.185.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
163.44.185.0
Broadcast
163.44.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-04-23 18:31 · 2025-04-23 18:31
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

118.27.99.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
118.27.99.0
Broadcast
118.27.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-04-26 19:58 · 2024-04-26 19:58
Top ASN
Top geo
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

157.7.174.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
157.7.174.0
Broadcast
157.7.174.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-09-26 23:12 · 2023-09-26 23:12
Top ASN
Top geo
Window / Updated
2023-09-25 → 2023-10-02 · Updated 2026-01-14 · v2

150.95.183.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
150.95.183.0
Broadcast
150.95.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-09-25 00:08 · 2023-09-25 00:08
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-09-18 → 2023-09-25 · Updated 2026-01-14 · v2

114.69.15.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
114.69.15.0
Broadcast
114.69.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6937 , 139.747
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-02-03 20:10 · 2024-02-03 20:10
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

180.6.184.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
180.6.184.0
Broadcast
180.6.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-25 00:23 · 2023-09-25 00:23
Top ASN
Top geo
Window / Updated
2023-09-18 → 2023-09-25 · Updated 2026-01-14 · v2

115.179.135.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
115.179.135.0
Broadcast
115.179.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-25 09:37 · 2023-07-25 09:37
Top ASN
Top geo
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

133.159.8.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
133.159.8.0
Broadcast
133.159.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-14 05:06 · 2023-07-14 05:06
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

124.44.226.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
124.44.226.0
Broadcast
124.44.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-13 04:43 · 2023-07-13 04:43
Top ASN
AS9595 · NTT-ME Corporation
Top organization / ISP
Top geo
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

218.46.18.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
218.46.18.0
Broadcast
218.46.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-02 08:42 · 2023-07-02 08:42
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2023-06-26 → 2023-07-03 · Updated 2026-01-14 · v2

133.238.55.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
133.238.55.0
Broadcast
133.238.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-02 07:18 · 2023-07-02 07:18
Top ASN
Top geo
Window / Updated
2023-06-26 → 2023-07-03 · Updated 2026-01-14 · v2

220.212.11.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.212.11.0
Broadcast
220.212.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-06-30 09:04 · 2023-06-30 09:04
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2023-06-26 → 2023-07-03 · Updated 2026-01-14 · v2

210.134.92.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
210.134.92.0
Broadcast
210.134.92.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-02-10 07:13 · 2025-02-13 04:16
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

219.167.113.0/24

Risk Max LOW Footprint 0.391% Hits 122
Prefix / IP version
/24 · IPv4
Network
219.167.113.0
Broadcast
219.167.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
122 hits · 0 errors
First / Last seen
2025-03-02 08:07 · 2025-03-02 08:15
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

117.102.210.0/24

Risk Max LOW Footprint 0.391% Hits 72
Prefix / IP version
/24 · IPv4
Network
117.102.210.0
Broadcast
117.102.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
72 hits · 10 errors
First / Last seen
2024-01-30 08:41 · 2024-01-30 08:42
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

163.251.239.0/24

Risk Max LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
163.251.239.0
Broadcast
163.251.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
46 hits · 0 errors
First / Last seen
2025-03-25 01:24 · 2025-03-25 01:24
Top geo
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

59.128.200.0/24

Risk Max LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
59.128.200.0
Broadcast
59.128.200.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
31 hits · 0 errors
First / Last seen
2025-02-26 12:54 · 2025-02-26 12:54
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

114.189.68.0/24

Risk Max LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
114.189.68.0
Broadcast
114.189.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
24 hits · 2 errors
First / Last seen
2024-06-12 09:28 · 2024-06-12 09:28
Top ASN
Top geo
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

133.218.161.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
133.218.161.0
Broadcast
133.218.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
21 hits · 0 errors
First / Last seen
2025-02-15 13:38 · 2025-02-15 13:39
Top ASN
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

157.7.52.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
157.7.52.0
Broadcast
157.7.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
21 hits · 18 errors
First / Last seen
2023-08-30 09:40 · 2023-08-30 09:40
Top ASN
Top organization / ISP
— · ERX
Top geo
Window / Updated
2023-08-28 → 2023-09-04 · Updated 2026-01-14 · v2

134.122.184.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
134.122.184.0
Broadcast
134.122.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
18 hits · 9 errors
First / Last seen
2024-04-27 19:40 · 2024-04-27 19:41
Top ASN
AS152194 · CTG Server Limited
Top geo
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

202.232.228.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
202.232.228.0
Broadcast
202.232.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-05-24 07:21 · 2025-05-24 07:21
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

153.140.40.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
153.140.40.0
Broadcast
153.140.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-04-13 12:41 · 2025-04-13 12:41
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

133.18.232.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
133.18.232.0
Broadcast
133.18.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-01-06 15:07 · 2025-01-06 15:09
Top ASN
AS24282 · KAGOYA JAPAN Inc.
Top organization / ISP
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

124.146.239.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
124.146.239.0
Broadcast
124.146.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-15 03:37 · 2025-04-15 03:38
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2

42.125.236.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
42.125.236.0
Broadcast
42.125.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-07 04:51 · 2025-04-07 04:56
Top organization / ISP
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

203.139.56.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
203.139.56.0
Broadcast
203.139.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-07-31 22:04 · 2025-07-31 22:05
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

38.34.185.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
38.34.185.0
Broadcast
38.34.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
14 hits · 7 errors
First / Last seen
2024-12-13 13:19 · 2024-12-13 13:21
Top ASN
AS18978 · Enzu Inc
Top organization / ISP
Top geo
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2

69.58.89.0/24

Risk Max LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
69.58.89.0
Broadcast
69.58.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.694 , 139.754
Hits / Errors
13 hits · 0 errors
First / Last seen
2025-03-16 08:21 · 2025-03-16 08:22
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

211.17.8.0/24

Risk Max LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
211.17.8.0
Broadcast
211.17.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
13 hits · 0 errors
First / Last seen
2024-09-29 17:34 · 2024-09-29 17:49
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

61.208.189.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
61.208.189.0
Broadcast
61.208.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-11-04 14:06 · 2024-11-04 14:06
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

111.239.175.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
111.239.175.0
Broadcast
111.239.175.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-10-14 14:07 · 2024-10-14 14:24
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2024-10-14 → 2024-10-21 · Updated 2026-01-14 · v2

126.249.31.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
126.249.31.0
Broadcast
126.249.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
11 hits · 0 errors
First / Last seen
2025-11-24 06:55 · 2025-11-24 06:55
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

106.131.179.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
106.131.179.0
Broadcast
106.131.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6906 , 139.77
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-12-17 17:32 · 2024-12-17 17:32
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

222.228.231.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
222.228.231.0
Broadcast
222.228.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-10-12 18:28 · 2024-10-12 18:29
Top ASN
Top geo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

36.2.107.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
36.2.107.0
Broadcast
36.2.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-04-26 14:19 · 2024-04-26 16:40
Top ASN
Top geo
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

182.158.74.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
182.158.74.0
Broadcast
182.158.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
5 hits · 2 errors
First / Last seen
2024-10-07 03:42 · 2024-10-07 06:57
Top ASN
AS4725 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
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