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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.
Active filter: Allentown · Clear
Snapshot 2026-01-23 Results 16 Page 1 / 1

66.249.66.0/24

Risk Max 89 HIGH Footprint 17.188% Hits 10344
Prefix / IP version
/24 · IPv4
Network
66.249.66.0
Broadcast
66.249.66.255
Observed IPs / Subnet size
44 observed · 256 total
Centroid
39.81844959685348 , -86.96208782694195
Hits / Errors
10344 hits · 1622 errors
First / Last seen
2025-11-03 01:01 · 2025-11-09 22:55
Top ASN
AS15169 · Google LLC
Top organization / ISP
Google LLC · Google LLC
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

66.249.83.0/24

Risk Max — LOW Footprint 8.594% Hits 103
Prefix / IP version
/24 · IPv4
Network
66.249.83.0
Broadcast
66.249.83.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
39.336554368932035 , -94.02632815533981
Hits / Errors
103 hits · 0 errors
First / Last seen
2025-05-16 13:14 · 2025-05-18 12:07
Top ASN
AS15169 · Google LLC
Top organization / ISP
Google LLC · Google LLC
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2
Open report →

131.106.89.0/24

Risk Max — LOW Footprint 0.391% Hits 146
Prefix / IP version
/24 · IPv4
Network
131.106.89.0
Broadcast
131.106.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.595 , -75.5289
Hits / Errors
146 hits · 0 errors
First / Last seen
2025-05-13 03:42 · 2025-05-15 12:20
Top ASN
AS6079 · RCN
Top organization / ISP
RCN Corporation · RCN
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2
Open report →

64.121.35.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
64.121.35.0
Broadcast
64.121.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.595 , -75.5289
Hits / Errors
4 hits · 1 errors
First / Last seen
2024-11-20 16:50 · 2024-11-21 16:07
Top ASN
AS6079 · RCN
Top organization / ISP
RCN Corporation · RCN
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →

97.145.0.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
97.145.0.0
Broadcast
97.145.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5885 , -75.4642
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-01 13:46 · 2025-08-01 13:46
Top ASN
AS6167 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

64.121.80.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
64.121.80.0
Broadcast
64.121.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.595 , -75.5289
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-21 23:42 · 2025-07-21 23:42
Top ASN
AS6079 · RCN
Top organization / ISP
RCN Corporation · RCN
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

24.229.144.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
24.229.144.0
Broadcast
24.229.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5885 , -75.4642
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-04 12:15 · 2025-07-04 12:15
Top ASN
AS3737 · PenTeleData Inc.
Top organization / ISP
PenTeleData House Account · PenTeleData Inc.
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2
Open report →

66.249.92.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
66.249.92.0
Broadcast
66.249.92.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6023 , -75.4714
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-01 15:34 · 2025-12-01 15:34
Top ASN
AS15169 · Google LLC
Top organization / ISP
Google LLC · Google LLC
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

108.36.242.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
108.36.242.0
Broadcast
108.36.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.605 , -75.4817
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-04 21:21 · 2025-08-04 21:21
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

68.238.178.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
68.238.178.0
Broadcast
68.238.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.605 , -75.4817
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-04 05:57 · 2025-08-04 05:57
Top ASN
AS701 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

24.229.154.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
24.229.154.0
Broadcast
24.229.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.605 , -75.4817
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-07-24 05:50 · 2025-07-24 05:50
Top ASN
AS3737 · PenTeleData Inc.
Top organization / ISP
PenTeleData House Account · PenTeleData Inc.
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

207.172.235.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
207.172.235.0
Broadcast
207.172.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6366 , -75.4405
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-24 01:24 · 2025-07-24 01:24
Top ASN
AS6079 · RCN
Top organization / ISP
RCN Corporation · RCN
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

74.109.60.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.109.60.0
Broadcast
74.109.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.605 , -75.4817
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-11 21:15 · 2025-05-11 21:15
Top ASN
AS701 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

209.122.3.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
209.122.3.0
Broadcast
209.122.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6366 , -75.4405
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 12:20 · 2025-05-06 12:20
Top ASN
AS6079 · RCN
Top organization / ISP
RCN Corporation · RCN
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

108.16.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
108.16.40.0
Broadcast
108.16.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.605 , -75.4817
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-04 20:40 · 2025-05-04 20:40
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2
Open report →

209.18.49.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
209.18.49.0
Broadcast
209.18.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.595 , -75.5289
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-16 19:39 · 2025-04-16 19:39
Top ASN
AS32162 · Carbon Lehigh Intermediate Unit 21
Top organization / ISP
Carbon Lehigh Intermediate Unit 21 · Carbon Lehigh Intermediate Unit 21
Top geo
United States · Pennsylvania · Allentown
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2
Open report →