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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.

172.58.8.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.8.0
Broadcast
172.58.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.7153 , -84.3312
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.108.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.108.0
Broadcast
172.59.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0566 , -87.9347
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.115.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.115.0
Broadcast
172.59.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.819 , -76.2749
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.125.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.125.0
Broadcast
172.59.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.0526 , -95.7908
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

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
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.168.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.168.0
Broadcast
172.59.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.342 , -121.9049
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.172.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.172.0
Broadcast
172.59.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.342 , -121.9049
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.187.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.187.0
Broadcast
172.59.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8835 , -87.6305
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.192.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.192.0
Broadcast
172.59.192.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.0918 , -97.0467
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · 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
32.9265 , -96.8961
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.203.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.203.0
Broadcast
172.59.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.4484 , -112.074
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.223.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.223.0
Broadcast
172.59.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7597 , -74.1836
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · 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
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.27.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.27.0
Broadcast
172.59.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.6659 , -81.4432
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.80.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.80.0
Broadcast
172.59.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.1405 , -85.6936
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.83.0
Broadcast
172.59.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.1405 , -85.6936
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.89.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.89.0
Broadcast
172.59.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.2406 , -85.8156
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

166.181.82.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
166.181.82.0
Broadcast
166.181.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.8075 , -91.1129
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.44.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.44.0
Broadcast
172.56.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.8004 , -73.9504
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.79.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.79.0
Broadcast
172.59.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2884 , -81.6361
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · 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
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.102.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.102.0
Broadcast
172.56.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
28.0406 , -82.3951
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.209.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.209.0
Broadcast
172.59.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6582 , -74.221
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.116.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.116.0
Broadcast
172.56.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8233 , -71.441
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.109.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.109.0
Broadcast
172.56.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3957 , -122.3036
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.58.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.58.0
Broadcast
172.59.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.2891 , -157.8028
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.185.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.185.0
Broadcast
172.59.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8835 , -87.6305
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.9.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.9.0
Broadcast
172.56.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7597 , -96.7808
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.8.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.8.0
Broadcast
172.56.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7597 , -96.7808
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.68.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.68.0
Broadcast
172.56.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.7485 , -84.3871
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.211.0
Broadcast
172.59.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6582 , -74.221
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.224.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.224.0
Broadcast
172.56.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.515 , -86.9348
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.176.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.176.0
Broadcast
172.56.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0038 , -117.446
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.1.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.1.0
Broadcast
172.59.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0506 , -106.7249
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.58.48.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.48.0
Broadcast
172.58.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8203 , -95.4256
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.59.122.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.59.122.0
Broadcast
172.59.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.1156 , -97.0584
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.58.241.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.241.0
Broadcast
172.58.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9371 , -76.9928
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.56.152.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.152.0
Broadcast
172.56.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
44.5365 , -122.907
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

166.181.85.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
166.181.85.0
Broadcast
166.181.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.1502 , -123.208
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

172.58.51.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.58.51.0
Broadcast
172.58.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8203 , -95.4256
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2