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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: Chattanooga · Clear
Snapshot 2026-01-20 Results 17 Page 1 / 1

23.251.65.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
23.251.65.0
Broadcast
23.251.65.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
35.0766 , -85.3114
Hits / Errors
4 hits · 4 errors
First / Last seen
2025-07-21 16:53 · 2025-07-22 11:50
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Fiber Optics · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

140.248.30.0/24

Risk Max — LOW Footprint 0.781% Hits 20
Prefix / IP version
/24 · IPv4
Network
140.248.30.0
Broadcast
140.248.30.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
34.90614 , -85.36218
Hits / Errors
20 hits · 3 errors
First / Last seen
2025-04-24 01:45 · 2025-04-24 03:44
Top ASN
AS54113 · Fastly, Inc.
Top organization / ISP
iCloud Private Relay · Fastly, Inc.
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2
Open report →

150.182.181.0/24

Risk Max — LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
150.182.181.0
Broadcast
150.182.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0489 , -85.2968
Hits / Errors
24 hits · 0 errors
First / Last seen
2025-02-08 03:35 · 2025-02-08 03:37
Top ASN
AS14209 · University of Tennessee at Chattanooga
Top organization / ISP
University of Tennessee at Chattanooga · The University of Tennessee Space Institute
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2
Open report →

68.59.136.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
68.59.136.0
Broadcast
68.59.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0309 , -85.2726
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-17 21:00 · 2025-09-17 21:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

68.169.141.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
68.169.141.0
Broadcast
68.169.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1181 , -85.2896
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-08-02 20:12 · 2025-08-02 20:12
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Telecom · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

23.251.71.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
23.251.71.0
Broadcast
23.251.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0766 , -85.3114
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-05-05 03:56 · 2025-05-06 07:24
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Fiber Optics · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

74.205.133.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.205.133.0
Broadcast
74.205.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0614 , -85.2478
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-07 17:22 · 2025-09-07 17:22
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Fiber Optics · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2
Open report →

173.247.15.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.247.15.0
Broadcast
173.247.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0278 , -85.1461
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-12 05:43 · 2025-08-12 05:43
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Telecom · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

66.85.230.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
66.85.230.0
Broadcast
66.85.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0278 , -85.1461
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-05 22:26 · 2025-08-05 22:26
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Telecom · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

99.116.117.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.116.117.0
Broadcast
99.116.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0228 , -85.2317
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-02 15:10 · 2025-08-02 15:10
Top ASN
AS7018 · AT&T Enterprises, LLC
Top organization / ISP
AT&T Internet Services · AT&T Enterprises, LLC
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

68.59.225.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
68.59.225.0
Broadcast
68.59.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0228 , -85.2317
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-22 12:05 · 2025-07-22 12:05
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

108.174.97.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
108.174.97.0
Broadcast
108.174.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0228 , -85.2317
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-07-22 11:01 · 2025-07-22 11:01
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Fiber Optics · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

68.34.144.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
68.34.144.0
Broadcast
68.34.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0278 , -85.1461
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-16 11:34 · 2025-07-16 11:34
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2
Open report →

68.59.228.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
68.59.228.0
Broadcast
68.59.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0228 , -85.2317
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 13:11 · 2025-05-06 13:11
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

99.93.240.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.93.240.0
Broadcast
99.93.240.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0278 , -85.1461
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-05 05:21 · 2025-05-05 05:21
Top ASN
AS7018 · AT&T Enterprises, LLC
Top organization / ISP
AT&T Corp · AT&T Enterprises, LLC
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

74.221.179.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.221.179.0
Broadcast
74.221.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0766 , -85.3114
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 00:17 · 2025-05-05 00:17
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
EPB Fiber Optics · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2
Open report →

74.205.137.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.205.137.0
Broadcast
74.205.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0766 , -85.3114
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-01-08 13:16 · 2025-01-08 13:16
Top ASN
AS26827 · EPB Fiber Optics
Top organization / ISP
Hazlett Lewis Bieter · EPB Fiber Optics
Top geo
United States · Tennessee · Chattanooga
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2
Open report →