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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.

172.56.216.0/24

Risk Max LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
172.56.216.0
Broadcast
172.56.216.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
39.97182857142857 , -75.22258571428571
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.29.0/24

Risk Max LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
172.56.29.0
Broadcast
172.56.29.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
40.0299 , -75.14468571428571
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.222.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
172.56.222.0
Broadcast
172.56.222.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
39.9567 , -75.2179
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.28.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
172.56.28.0
Broadcast
172.56.28.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
40.0149 , -75.1439
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.59.141.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
172.59.141.0
Broadcast
172.59.141.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
40.4422 , -79.9927
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

217.217.113.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
217.217.113.0
Broadcast
217.217.113.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
40.4422 , -79.9927
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS137409 · GSL Networks Pty LTD
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

100.14.200.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
100.14.200.0
Broadcast
100.14.200.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.9198 , -75.399
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.219.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.56.219.0
Broadcast
172.56.219.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.9612 , -75.2303
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.220.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.56.220.0
Broadcast
172.56.220.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.9707 , -75.2039
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.221.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.56.221.0
Broadcast
172.56.221.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.9707 , -75.2039
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

84.239.41.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
84.239.41.0
Broadcast
84.239.41.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.952 , -75.1649
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

100.34.127.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
100.34.127.0
Broadcast
100.34.127.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0364 , -75.2219
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS701 · Verizon Business
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

153.66.139.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
153.66.139.0
Broadcast
153.66.139.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.9525 , -75.1652
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

172.56.218.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.56.218.0
Broadcast
172.56.218.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.9612 , -75.2303
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

68.81.248.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
68.81.248.0
Broadcast
68.81.248.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0255 , -75.0534
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

68.83.255.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
68.83.255.0
Broadcast
68.83.255.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0172 , -75.0883
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

69.249.110.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
69.249.110.0
Broadcast
69.249.110.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.061 , -75.0501
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

71.225.212.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
71.225.212.0
Broadcast
71.225.212.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.1166 , -74.9469
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

76.34.220.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
76.34.220.0
Broadcast
76.34.220.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.1087 , -79.9535
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

76.98.201.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
76.98.201.0
Broadcast
76.98.201.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.9597 , -75.1995
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

174.49.149.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
174.49.149.0
Broadcast
174.49.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.009 , -76.3631
Hits / Errors
8 hits · 4 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

70.15.236.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
70.15.236.0
Broadcast
70.15.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7392 , -75.6142
Hits / Errors
7 hits · 3 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS3737 · PenTeleData Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

71.112.178.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
71.112.178.0
Broadcast
71.112.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4325 , -79.863
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

204.111.126.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
204.111.126.0
Broadcast
204.111.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9552 , -76.6653
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

68.81.106.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
68.81.106.0
Broadcast
68.81.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9025 , -75.2618
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

72.95.221.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
72.95.221.0
Broadcast
72.95.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4322 , -80.1021
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

73.165.220.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.165.220.0
Broadcast
73.165.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0149 , -75.1439
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

73.81.172.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.81.172.0
Broadcast
73.81.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.2104 , -74.8278
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

76.34.217.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
76.34.217.0
Broadcast
76.34.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.1087 , -79.9535
Hits / Errors
3 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

96.227.50.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
96.227.50.0
Broadcast
96.227.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9843 , -75.2266
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

100.11.68.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
100.11.68.0
Broadcast
100.11.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0356 , -75.1763
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS701 · Verizon Business
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

174.59.139.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
174.59.139.0
Broadcast
174.59.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.296 , -75.9894
Hits / Errors
3 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

71.206.203.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
71.206.203.0
Broadcast
71.206.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.3469 , -79.8689
Hits / Errors
3 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

71.230.183.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
71.230.183.0
Broadcast
71.230.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7773 , -75.7713
Hits / Errors
3 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

71.61.17.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
71.61.17.0
Broadcast
71.61.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.9679 , -80.3906
Hits / Errors
3 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

72.23.224.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
72.23.224.0
Broadcast
72.23.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1607 , -80.0841
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS27364 · Armstrong
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

73.188.50.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.188.50.0
Broadcast
73.188.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9945 , -75.1648
Hits / Errors
3 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

73.230.50.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.230.50.0
Broadcast
73.230.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.009 , -76.3631
Hits / Errors
3 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

73.64.44.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.64.44.0
Broadcast
73.64.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7951 , -76.9794
Hits / Errors
3 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

76.98.206.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
76.98.206.0
Broadcast
76.98.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0149 , -75.1439
Hits / Errors
3 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
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