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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.

73.251.79.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.251.79.0
Broadcast
73.251.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.2332 , -78.3692
Hits / Errors
1 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

100.24.4.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.24.4.0
Broadcast
100.24.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

44.199.21.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
44.199.21.0
Broadcast
44.199.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

162.83.124.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
162.83.124.0
Broadcast
162.83.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7348 , -76.2343
Hits / Errors
1 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

154.194.66.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
154.194.66.0
Broadcast
154.194.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8047 , -77.0435
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

216.222.143.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
216.222.143.0
Broadcast
216.222.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.9112 , -80.32
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

43.166.250.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
43.166.250.0
Broadcast
43.166.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

154.16.157.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
154.16.157.0
Broadcast
154.16.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0019 , -77.4556
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS396356 · Latitude.sh
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

43.165.69.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
43.165.69.0
Broadcast
43.165.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
1 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

173.53.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.53.53.0
Broadcast
173.53.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6653 , -77.5364
Hits / Errors
1 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

173.66.219.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.66.219.0
Broadcast
173.66.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8463 , -77.4667
Hits / Errors
1 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

153.66.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.66.149.0
Broadcast
153.66.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.3498 , -81.6326
Hits / Errors
1 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

143.105.191.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
143.105.191.0
Broadcast
143.105.191.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0437 , -77.4874
Hits / Errors
1 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

173.71.158.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.71.158.0
Broadcast
173.71.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.1235 , -76.4502
Hits / Errors
1 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

173.72.137.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.72.137.0
Broadcast
173.72.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.271 , -77.5495
Hits / Errors
1 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

38.27.115.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
38.27.115.0
Broadcast
38.27.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8138 , -77.1487
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS14277 · GiGstreem
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

173.73.194.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.73.194.0
Broadcast
173.73.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.881 , -77.1362
Hits / Errors
1 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

173.79.107.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.79.107.0
Broadcast
173.79.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0258 , -77.3983
Hits / Errors
1 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

173.80.107.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.80.107.0
Broadcast
173.80.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.264 , -81.5332
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS19108 · Optimum
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

173.80.128.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.80.128.0
Broadcast
173.80.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.4326 , -82.0201
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS19108 · Optimum
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

141.156.48.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
141.156.48.0
Broadcast
141.156.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9064 , -77.1278
Hits / Errors
1 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

72.83.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
72.83.53.0
Broadcast
72.83.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.4555 , -77.4326
Hits / Errors
1 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

73.216.44.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.216.44.0
Broadcast
73.216.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2718 , -77.4028
Hits / Errors
1 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

73.148.94.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.148.94.0
Broadcast
73.148.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6307 , -77.544
Hits / Errors
1 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

216.20.143.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
216.20.143.0
Broadcast
216.20.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.264 , -81.5332
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

174.179.39.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
174.179.39.0
Broadcast
174.179.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.9537 , -79.3589
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

73.172.109.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.172.109.0
Broadcast
73.172.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8078 , -77.0523
Hits / Errors
1 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

216.30.146.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
216.30.146.0
Broadcast
216.30.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4331 , -81.5858
Hits / Errors
1 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

24.255.71.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
24.255.71.0
Broadcast
24.255.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3053 , -79.9252
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

72.84.75.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
72.84.75.0
Broadcast
72.84.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7348 , -76.2343
Hits / Errors
1 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

74.7.35.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.7.35.0
Broadcast
74.7.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5538 , -77.4603
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

73.31.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.31.211.0
Broadcast
73.31.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5503 , -77.3942
Hits / Errors
1 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

74.98.176.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.98.176.0
Broadcast
74.98.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7323 , -76.0363
Hits / Errors
1 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

217.216.105.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
217.216.105.0
Broadcast
217.216.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS147049 · PacketHub S.A.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

142.147.221.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
142.147.221.0
Broadcast
142.147.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
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

43.166.129.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
43.166.129.0
Broadcast
43.166.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

43.130.139.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
43.130.139.0
Broadcast
43.130.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
1 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

47.134.17.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
47.134.17.0
Broadcast
47.134.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7328 , -76.5898
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

47.132.220.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
47.132.220.0
Broadcast
47.132.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7328 , -76.5898
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

45.207.186.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.207.186.0
Broadcast
45.207.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8047 , -77.0435
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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