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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: Needham · Clear
Snapshot 2026-01-20 Results 6 Page 1 / 1

94.154.170.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
94.154.170.0
Broadcast
94.154.170.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.2809 , -71.2378
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-23 13:55 · 2025-09-23 13:55
Top ASN
AS7015 · Comcast Cable Communications, LLC
Top organization / ISP
Los Angeles DC · Comcast Cable Communications, LLC
Top geo
United States · Massachusetts · Needham
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

50.239.49.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
50.239.49.0
Broadcast
50.239.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2809 , -71.2378
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-04-25 22:36 · 2024-04-25 22:37
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, LLC · Comcast Cable Communications, LLC
Top geo
United States · Massachusetts · Needham
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2
Open report →

209.6.162.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
209.6.162.0
Broadcast
209.6.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2869 , -71.2395
Hits / Errors
5 hits · 2 errors
First / Last seen
2025-01-08 17:43 · 2025-01-08 17:45
Top ASN
AS6079 · RCN
Top organization / ISP
RCN Corporation · RCN
Top geo
United States · Massachusetts · Needham
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2
Open report →

66.30.87.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
66.30.87.0
Broadcast
66.30.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2869 , -71.2395
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-15 17:04 · 2025-07-15 17:04
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications Holdings, Inc · Comcast Cable Communications
Top geo
United States · Massachusetts · Needham
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2
Open report →

73.17.207.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.17.207.0
Broadcast
73.17.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2869 , -71.2395
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 06:20 · 2025-05-05 06:20
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, LLC · Comcast Cable Communications, LLC
Top geo
United States · Massachusetts · Needham
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

108.49.19.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
108.49.19.0
Broadcast
108.49.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2869 , -71.2395
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-08-27 14:17 · 2023-08-27 14:17
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Massachusetts · Needham
Window / Updated
2023-08-21 → 2023-08-28 · Updated 2026-01-14 · v2
Open report →