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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.

104.171.161.0/24

Risk Max 4 LOW Footprint 0.391% Hits 174
Prefix / IP version
/24 · IPv4
Network
104.171.161.0
Broadcast
104.171.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
174 hits · 37 errors
First / Last seen
2024-05-20 01:32 · 2024-05-22 17:31
Top ASN
AS399296 · Rackdog, LLC
Top organization / ISP
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2

170.39.193.0/24

Risk Max 1 LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
170.39.193.0
Broadcast
170.39.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
17 hits · 5 errors
First / Last seen
2024-05-22 19:15 · 2024-05-22 22:17
Top ASN
AS399296 · Rackdog, LLC
Top organization / ISP
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2

204.242.3.0/24

Risk Max LOW Footprint 9.766% Hits 32
Prefix / IP version
/24 · IPv4
Network
204.242.3.0
Broadcast
204.242.3.255
Observed IPs / Subnet size
25 observed · 256 total
Centroid
39.04690000000002 , -77.49029999999999
Hits / Errors
32 hits · 0 errors
First / Last seen
2025-02-03 01:56 · 2025-02-05 15:14
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

149.51.35.0/24

Risk Max LOW Footprint 9.375% Hits 34
Prefix / IP version
/24 · IPv4
Network
149.51.35.0
Broadcast
149.51.35.255
Observed IPs / Subnet size
24 observed · 256 total
Centroid
40.7831 , -73.97129999999999
Hits / Errors
34 hits · 0 errors
First / Last seen
2025-02-03 00:23 · 2025-02-05 17:51
Top ASN
Top organization / ISP
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

206.158.180.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
206.158.180.0
Broadcast
206.158.180.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-01 18:35 · 2025-10-02 16:05
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

206.106.116.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
206.106.116.0
Broadcast
206.106.116.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-24 15:30 · 2025-09-25 03:15
Top ASN
Top organization / ISP
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

199.160.209.0/24

Risk Max LOW Footprint 0.391% Hits 55
Prefix / IP version
/24 · IPv4
Network
199.160.209.0
Broadcast
199.160.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.04379999999999 , -77.4874
Hits / Errors
55 hits · 0 errors
First / Last seen
2025-06-25 06:49 · 2025-06-25 06:50
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

67.200.16.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
67.200.16.0
Broadcast
67.200.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7447 , -75.5484
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-10-02 13:17 · 2025-10-02 13:17
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

204.215.82.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
204.215.82.0
Broadcast
204.215.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-10-02 19:29 · 2025-10-02 19:30
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

199.12.75.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
199.12.75.0
Broadcast
199.12.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-10-02 17:01 · 2025-10-02 17:01
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

199.13.51.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
199.13.51.0
Broadcast
199.13.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-10-02 14:13 · 2025-10-02 14:13
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

170.39.192.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
170.39.192.0
Broadcast
170.39.192.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
6 hits · 2 errors
First / Last seen
2024-04-25 21:49 · 2024-04-25 21:50
Top ASN
AS399296 · Rackdog, LLC
Top organization / ISP
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

149.51.192.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
149.51.192.0
Broadcast
149.51.192.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-07-19 18:49 · 2025-07-19 18:49
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

170.39.194.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
170.39.194.0
Broadcast
170.39.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-01-02 15:55 · 2025-01-02 16:01
Top ASN
AS399296 · Rackdog, LLC
Top organization / ISP
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

199.13.68.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
199.13.68.0
Broadcast
199.13.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-10-11 18:00 · 2025-10-11 18:01
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

199.162.190.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
199.162.190.0
Broadcast
199.162.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-10-04 02:22 · 2025-10-04 02:22
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

198.68.126.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
198.68.126.0
Broadcast
198.68.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-11-29 02:41 · 2025-11-29 02:41
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

199.162.17.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.162.17.0
Broadcast
199.162.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-11 16:50 · 2025-10-11 16:50
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

199.12.109.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.12.109.0
Broadcast
199.12.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-11 11:01 · 2025-10-11 11:01
Top ASN
AS3491 · PCCW Global, Inc.
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

199.162.133.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.162.133.0
Broadcast
199.162.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-05 23:50 · 2025-10-05 23:50
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

199.13.166.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.13.166.0
Broadcast
199.13.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-04 00:10 · 2025-10-04 00:10
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

199.12.157.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.12.157.0
Broadcast
199.12.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-03 15:21 · 2025-10-03 15:21
Top ASN
AS3491 · PCCW Global, Inc.
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

206.160.114.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
206.160.114.0
Broadcast
206.160.114.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-02 22:51 · 2025-10-02 22:51
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

198.68.81.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
198.68.81.0
Broadcast
198.68.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-02 18:57 · 2025-10-02 18:57
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

199.13.108.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.13.108.0
Broadcast
199.13.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-02 18:22 · 2025-10-02 18:22
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

67.101.163.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
67.101.163.0
Broadcast
67.101.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7503 , -75.5453
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-02 08:05 · 2025-10-02 08:05
Top ASN
AS6079 · RCN
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

199.162.20.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.162.20.0
Broadcast
199.162.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-20 12:01 · 2025-09-20 12:01
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

199.162.72.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.162.72.0
Broadcast
199.162.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-20 08:33 · 2025-09-20 08:33
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

199.12.96.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.12.96.0
Broadcast
199.12.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-15 20:43 · 2025-09-15 20:43
Top ASN
AS3491 · PCCW Global, Inc.
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

206.158.153.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
206.158.153.0
Broadcast
206.158.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-15 08:05 · 2025-09-15 08:05
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

67.101.171.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
67.101.171.0
Broadcast
67.101.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7503 , -75.5453
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-15 07:29 · 2025-09-15 07:29
Top ASN
AS6079 · RCN
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

205.161.77.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
205.161.77.0
Broadcast
205.161.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.4748 , -122.273
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-15 04:33 · 2025-09-15 04:33
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

67.101.247.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
67.101.247.0
Broadcast
67.101.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7503 , -75.5453
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-14 17:48 · 2025-09-14 17:48
Top ASN
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

199.162.253.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.162.253.0
Broadcast
199.162.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-10 21:59 · 2025-09-10 21:59
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

149.51.194.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
149.51.194.0
Broadcast
149.51.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-07-25 18:34 · 2025-07-25 18:34
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

121.91.222.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
121.91.222.0
Broadcast
121.91.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.7447 , -75.5484
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-09 21:12 · 2025-07-09 21:12
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-07-07 → 2025-07-14 · Updated 2026-01-14 · v2

204.242.47.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
204.242.47.0
Broadcast
204.242.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-07-04 09:56 · 2025-07-04 09:56
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

149.51.199.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
149.51.199.0
Broadcast
149.51.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0469 , -77.4903
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-07-02 14:09 · 2025-07-02 14:09
Top ASN
AS6079 · RCN
Top organization / ISP
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

139.190.224.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
139.190.224.0
Broadcast
139.190.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-02-03 09:09 · 2024-02-03 09:10
Top ASN
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

121.91.225.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
121.91.225.0
Broadcast
121.91.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8781 , -87.6298
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-01-26 03:15 · 2024-01-26 03:15
Top ASN
Top organization / ISP
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2
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