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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.

172.59.144.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.144.0
Broadcast
172.59.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.0296 , -121.346
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.162.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.162.0
Broadcast
172.59.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3313 , -121.8401
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.170.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.170.0
Broadcast
172.59.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.342 , -121.9049
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.197.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.197.0
Broadcast
172.59.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.8236 , -96.6814
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.193.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.193.0
Broadcast
172.59.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.4421 , -97.7942
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.216.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.216.0
Broadcast
172.59.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6582 , -74.221
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.221.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.221.0
Broadcast
172.59.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6582 , -74.221
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.242.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.242.0
Broadcast
172.59.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9391 , -83.0474
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.34.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.34.0
Broadcast
172.59.34.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3202 , -84.552
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.48.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.48.0
Broadcast
172.59.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7986 , -119.8107
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.49.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.49.0
Broadcast
172.59.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7986 , -119.8107
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.68.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.68.0
Broadcast
172.59.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.362 , -81.6919
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.72.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.72.0
Broadcast
172.59.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2884 , -81.6361
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.74.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.74.0
Broadcast
172.59.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2884 , -81.6361
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.75.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.75.0
Broadcast
172.59.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2884 , -81.6361
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.77.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.77.0
Broadcast
172.59.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2884 , -81.6361
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.81.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.81.0
Broadcast
172.59.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.1405 , -85.6936
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.9.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.9.0
Broadcast
172.59.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1895 , -73.1892
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.92.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.92.0
Broadcast
172.59.92.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.2345 , -85.7236
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.195.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.195.0
Broadcast
172.56.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2904 , -71.0712
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.252.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.252.0
Broadcast
172.56.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7914 , -86.2675
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.100.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.100.0
Broadcast
172.56.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
28.0406 , -82.3951
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.97.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.97.0
Broadcast
172.59.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0753 , -87.9332
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.91.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.91.0
Broadcast
172.59.91.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.2345 , -85.7236
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

166.182.248.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
166.182.248.0
Broadcast
166.182.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2627 , -77.5816
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.229.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.229.0
Broadcast
172.59.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7628 , -105.0263
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.58.9.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.9.0
Broadcast
172.58.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.7153 , -84.3312
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.58.116.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.116.0
Broadcast
172.58.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.7499 , -117.9071
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.227.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.227.0
Broadcast
172.56.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.4663 , -86.808
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.58.11.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.11.0
Broadcast
172.58.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.7153 , -84.3312
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

166.182.249.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
166.182.249.0
Broadcast
166.182.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
44.7988 , -68.7727
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.22.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.22.0
Broadcast
172.56.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7226 , -97.0785
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.73.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.73.0
Broadcast
172.56.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
28.5436 , -81.3738
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.45.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.45.0
Broadcast
172.56.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.8123 , -73.9682
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.56.29.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.29.0
Broadcast
172.56.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9843 , -75.2266
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.67.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.67.0
Broadcast
172.59.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.3958 , -81.6893
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
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