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.
Search
Active filter:
Broomfield
·
Clear
Snapshot
2026-01-26
Results
13
Page
1
/
1
63.214.171.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
63.214.171.0
Broadcast
63.214.171.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9215 , -105.144
Hits / Errors
4
hits ·
0
errors
First / Last seen
2023-11-07 11:00 · 2023-11-07 11:00
Top ASN
AS3356 ·
Level 3 Parent, LLC
Top organization / ISP
Level 3 Communications, Inc.
·
Level 3 Communications, Inc.
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2023-11-06 → 2023-11-13 · Updated
2026-01-14
· v2
Open report →
63.215.172.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
45
Prefix / IP version
/24 · IPv4
Network
63.215.172.0
Broadcast
63.215.172.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9215 , -105.144
Hits / Errors
45
hits ·
8
errors
First / Last seen
2025-03-24 15:49 · 2025-03-24 15:58
Top ASN
AS3356 ·
Level 3 Parent, LLC
Top organization / ISP
Level 3 Communications, Inc.
·
Level 3 Communications, Inc.
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-03-24 → 2025-03-31 · Updated
2026-01-14
· v2
Open report →
24.9.105.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
20
Prefix / IP version
/24 · IPv4
Network
24.9.105.0
Broadcast
24.9.105.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.8831 , -105.1122
Hits / Errors
20
hits ·
0
errors
First / Last seen
2025-05-26 19:30 · 2025-05-26 19:50
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications
·
Comcast Cable Communications, LLC
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-05-26 → 2025-06-02 · Updated
2026-01-14
· v2
Open report →
24.9.104.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
17
Prefix / IP version
/24 · IPv4
Network
24.9.104.0
Broadcast
24.9.104.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.8831 , -105.1122
Hits / Errors
17
hits ·
0
errors
First / Last seen
2025-02-07 20:55 · 2025-02-07 20:58
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications
·
Comcast Cable Communications, LLC
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
164.47.74.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
16
Prefix / IP version
/24 · IPv4
Network
164.47.74.0
Broadcast
164.47.74.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9241 , -105.0639
Hits / Errors
16
hits ·
1
errors
First / Last seen
2025-04-29 03:53 · 2025-04-29 03:53
Top ASN
AS14737 ·
Colorado Community College and Occupational Education System
Top organization / ISP
Colorado Community College System
·
Colorado Community College and Occupational Education System
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-04-28 → 2025-05-05 · Updated
2026-01-14
· v2
Open report →
73.169.113.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
15
Prefix / IP version
/24 · IPv4
Network
73.169.113.0
Broadcast
73.169.113.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.8831 , -105.1122
Hits / Errors
15
hits ·
0
errors
First / Last seen
2025-01-22 08:35 · 2025-01-22 08:36
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C.
·
Comcast Cable Communications
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-01-20 → 2025-01-27 · Updated
2026-01-14
· v2
Open report →
73.153.163.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
13
Prefix / IP version
/24 · IPv4
Network
73.153.163.0
Broadcast
73.153.163.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9241 , -105.0639
Hits / Errors
13
hits ·
1
errors
First / Last seen
2024-04-15 05:02 · 2024-04-15 05:03
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C.
·
Comcast Cable Communications, LLC
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2024-04-15 → 2024-04-22 · Updated
2026-01-14
· v2
Open report →
73.153.165.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
73.153.165.0
Broadcast
73.153.165.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9241 , -105.0639
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-05-15 03:44 · 2025-05-15 03:44
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C.
·
Comcast Cable Communications, LLC
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-05-12 → 2025-05-19 · Updated
2026-01-14
· v2
Open report →
65.56.192.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
65.56.192.0
Broadcast
65.56.192.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9209 , -105.144
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-09-30 18:54 · 2025-09-30 18:54
Top ASN
AS3356 ·
Level 3 Parent, LLC
Top organization / ISP
Level 3 Communications, Inc.
·
Level 3 Communications, Inc.
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-09-29 → 2025-10-06 · Updated
2026-01-14
· v2
Open report →
73.78.119.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
73.78.119.0
Broadcast
73.78.119.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9241 , -105.0639
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-06-24 02:35 · 2025-06-24 02:35
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C.
·
Comcast Cable Communications
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-06-23 → 2025-06-30 · Updated
2026-01-14
· v2
Open report →
73.217.57.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
73.217.57.0
Broadcast
73.217.57.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9241 , -105.0639
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-05-23 16:33 · 2025-05-23 16:33
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C.
·
Comcast Cable Communications
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-05-19 → 2025-05-26 · Updated
2026-01-14
· v2
Open report →
73.78.118.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
73.78.118.0
Broadcast
73.78.118.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.9241 , -105.0639
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-05-23 10:22 · 2025-05-23 10:22
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C.
·
Comcast Cable Communications
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2025-05-19 → 2025-05-26 · Updated
2026-01-14
· v2
Open report →
98.245.40.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
98.245.40.0
Broadcast
98.245.40.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.954 , -105.0123
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-12-21 01:38 · 2023-12-21 01:38
Top ASN
AS7922 ·
Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc.
·
Comcast Cable Communications, LLC
Top geo
United States
·
Colorado
·
Broomfield
Window / Updated
2023-12-18 → 2023-12-25 · Updated
2026-01-14
· v2
Open report →
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