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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.

172.192.49.0/24

Risk Max 7 LOW Footprint 0.391% Hits 237
Prefix / IP version
/24 · IPv4
Network
172.192.49.0
Broadcast
172.192.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
237 hits · 74 errors
First / Last seen
2025-07-23 11:06 · 2025-07-23 11:07
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

172.192.51.0/24

Risk Max 3 LOW Footprint 0.391% Hits 163
Prefix / IP version
/24 · IPv4
Network
172.192.51.0
Broadcast
172.192.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
163 hits · 80 errors
First / Last seen
2025-10-28 01:09 · 2025-10-28 01:10
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

172.192.59.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.192.59.0
Broadcast
172.192.59.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-08-12 14:38 · 2025-08-16 10:26
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

172.192.63.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
172.192.63.0
Broadcast
172.192.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-07-30 00:59 · 2025-08-01 11:04
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

172.192.14.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
172.192.14.0
Broadcast
172.192.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-07-25 05:08 · 2025-07-26 10:12
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

172.192.61.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.192.61.0
Broadcast
172.192.61.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-08-12 20:33 · 2025-08-15 06:05
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

172.192.54.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.192.54.0
Broadcast
172.192.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-16 02:23 · 2025-10-16 02:23
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2

172.192.64.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.192.64.0
Broadcast
172.192.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-29 23:00 · 2025-09-30 04:44
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

190.60.109.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.60.109.0
Broadcast
190.60.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.2529 , -75.5646
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-12-03 09:44 · 2024-12-03 09:44
Top ASN
AS18747 · IFX Corporation
Top organization / ISP
Top geo
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

200.80.43.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
200.80.43.0
Broadcast
200.80.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-07-12 16:29 · 2023-07-12 16:29
Top ASN
AS18747 · IFX Corporation
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

190.60.212.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.60.212.0
Broadcast
190.60.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
4.60971 , -74.0817
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 05:03 · 2025-12-17 05:03
Top ASN
AS18747 · IFX Corporation
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

172.192.56.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.56.0
Broadcast
172.192.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-12 03:18 · 2025-08-12 03:18
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

172.192.66.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.66.0
Broadcast
172.192.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-09 19:24 · 2025-08-09 19:24
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

172.192.60.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.60.0
Broadcast
172.192.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-06 16:47 · 2025-08-06 16:47
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

172.192.37.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.37.0
Broadcast
172.192.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-29 15:37 · 2025-07-29 15:37
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

172.192.38.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.38.0
Broadcast
172.192.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-29 03:43 · 2025-07-29 03:43
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

172.192.36.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.36.0
Broadcast
172.192.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-24 21:08 · 2025-07-24 21:08
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

172.192.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.192.53.0
Broadcast
172.192.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.68 , 139.77
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-22 01:46 · 2025-07-22 01:46
Top ASN
AS18747 · IFX Corporation
Top geo
Japan · Tokyo · Tokyo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

181.119.33.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.119.33.0
Broadcast
181.119.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 03:07 · 2025-05-05 03:07
Top ASN
AS18747 · IFX Corporation
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2