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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.

187.149.138.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.149.138.0
Broadcast
187.149.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
17.8056 , -97.7717
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS8151 · UNINET
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

210.139.30.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
210.139.30.0
Broadcast
210.139.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

210.147.155.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
210.147.155.0
Broadcast
210.147.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6682 , 139.6647
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS2518 · BIGLOBE Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

220.146.115.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.146.115.0
Broadcast
220.146.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6837 , 139.6805
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

220.210.182.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.210.182.0
Broadcast
220.210.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6837 , 139.6805
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

27.0.17.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
27.0.17.0
Broadcast
27.0.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.3372 , 127.7816
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS55900 · GLBB Japan KK
Top organization / ISP
— · GLBBADM
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

36.80.180.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
36.80.180.0
Broadcast
36.80.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-1.2509 , 116.8845
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

60.102.182.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
60.102.182.0
Broadcast
60.102.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.4953 , 139.443
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS17676 · SoftBank Corp.
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

64.81.112.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
64.81.112.0
Broadcast
64.81.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6164 , 139.7425
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS979 · NetLab Global
Top organization / ISP
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

111.111.24.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
111.111.24.0
Broadcast
111.111.24.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.5584 , 139.5895
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

115.31.2.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
115.31.2.0
Broadcast
115.31.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0714 , 134.573
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

115.38.151.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
115.38.151.0
Broadcast
115.38.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.972 , 136.6182
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

119.230.208.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
119.230.208.0
Broadcast
119.230.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.8326 , 134.6722
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17511 · OPTAGE Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

119.231.109.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
119.231.109.0
Broadcast
119.231.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.6186 , 135.485
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17511 · OPTAGE Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

126.220.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
126.220.243.0
Broadcast
126.220.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6552 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

126.221.121.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
126.221.121.0
Broadcast
126.221.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6552 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

133.106.34.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
133.106.34.0
Broadcast
133.106.34.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.7045 , 139.669
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

133.32.181.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
133.32.181.0
Broadcast
133.32.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.7973 , 135.909
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

14.8.135.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.8.135.0
Broadcast
14.8.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.9035 , 139.0059
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS2516 · KDDI CORPORATION
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

148.230.229.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
148.230.229.0
Broadcast
148.230.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
18.8484 , -99.6754
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

150.9.81.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
150.9.81.0
Broadcast
150.9.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7069 , 137.2129
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS4685 · Asahi Net
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

153.194.96.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.194.96.0
Broadcast
153.194.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.5564 , 133.5437
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top geo
Japan · Kochi · Kochi
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

157.10.63.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
157.10.63.0
Broadcast
157.10.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
3.5078 , 98.6839
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

159.28.157.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
159.28.157.0
Broadcast
159.28.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.3453 , 139.4592
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.3.125.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
171.3.125.0
Broadcast
171.3.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6916 , 139.768
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17676 · SoftBank Corp.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

180.148.207.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
180.148.207.0
Broadcast
180.148.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.8461 , 130.0462
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

180.16.4.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
180.16.4.0
Broadcast
180.16.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.6086 , 130.3927
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

187.142.101.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.142.101.0
Broadcast
187.142.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.3859 , -101.9485
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS8151 · UNINET
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

187.251.215.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.251.215.0
Broadcast
187.251.215.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.5225 , -99.8917
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

219.121.131.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
219.121.131.0
Broadcast
219.121.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.8641 , 137.0461
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS59108 · KATCH NETWORK INC.
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

219.122.137.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
219.122.137.0
Broadcast
219.122.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0231 , 135.752
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17511 · OPTAGE Inc.
Top organization / ISP
Top geo
Japan · Kyoto · Kyoto
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

221.71.248.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
221.71.248.0
Broadcast
221.71.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6629 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17676 · SoftBank Corp.
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

38.210.179.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
38.210.179.0
Broadcast
38.210.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.7333 , -99.3801
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS272405 · Jair Lozano
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

38.49.154.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
38.49.154.0
Broadcast
38.49.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.7557 , -99.3647
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS28458 · IENTC S DE RL DE CV
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

60.127.198.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
60.127.198.0
Broadcast
60.127.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6629 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17676 · SoftBank Corp.
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

60.130.25.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
60.130.25.0
Broadcast
60.130.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6629 , 139.761
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS17676 · SoftBank Corp.
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

88.147.50.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
88.147.50.0
Broadcast
88.147.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.1196 , 12.594
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS35612 · EOLO S.p.A.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

114.122.229.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
114.122.229.0
Broadcast
114.122.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-1.2509 , 116.8845
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

153.242.79.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.242.79.0
Broadcast
153.242.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.6827 , 139.6097
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

177.225.132.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.225.132.0
Broadcast
177.225.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.3788 , -102.083
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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