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:
ChinaTelecom Group Beijing Ltd, Co
·
Clear
Snapshot
2026-02-01
Results
12
Page
1
/
1
49.7.240.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
37
Prefix / IP version
/24 · IPv4
Network
49.7.240.0
Broadcast
49.7.240.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
39.911000000000016 , 116.395
Hits / Errors
37
hits ·
37
errors
First / Last seen
2025-11-10 21:09 · 2025-11-15 21:10
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-10 → 2025-11-17 · Updated
2026-01-14
· v2
Open report →
49.7.88.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
27
Prefix / IP version
/24 · IPv4
Network
49.7.88.0
Broadcast
49.7.88.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
27
hits ·
26
errors
First / Last seen
2025-11-15 20:01 · 2025-11-15 21:10
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-10 → 2025-11-17 · Updated
2026-01-14
· v2
Open report →
49.7.245.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
9
Prefix / IP version
/24 · IPv4
Network
49.7.245.0
Broadcast
49.7.245.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
39.911 , 116.39500000000001
Hits / Errors
9
hits ·
9
errors
First / Last seen
2025-11-20 09:39 · 2025-11-20 09:39
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-17 → 2025-11-24 · Updated
2026-01-14
· v2
Open report →
49.7.199.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
49.7.199.0
Broadcast
49.7.199.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
6
hits ·
2
errors
First / Last seen
2023-09-06 05:18 · 2023-09-06 19:34
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2023-09-04 → 2023-09-11 · Updated
2026-01-14
· v2
Open report →
49.7.89.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
49.7.89.0
Broadcast
49.7.89.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
5
hits ·
5
errors
First / Last seen
2025-11-20 09:39 · 2025-11-20 09:39
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-17 → 2025-11-24 · Updated
2026-01-14
· v2
Open report →
49.7.149.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
49.7.149.0
Broadcast
49.7.149.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
3
hits ·
3
errors
First / Last seen
2025-11-20 09:39 · 2025-11-20 09:39
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-17 → 2025-11-24 · Updated
2026-01-14
· v2
Open report →
49.7.42.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
49.7.42.0
Broadcast
49.7.42.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
3
hits ·
3
errors
First / Last seen
2025-11-15 20:03 · 2025-11-15 20:45
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-10 → 2025-11-17 · Updated
2026-01-14
· v2
Open report →
49.7.150.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
49.7.150.0
Broadcast
49.7.150.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
4
hits ·
4
errors
First / Last seen
2025-11-20 09:39 · 2025-11-20 09:39
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-11-17 → 2025-11-24 · Updated
2026-01-14
· v2
Open report →
49.7.227.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
49.7.227.0
Broadcast
49.7.227.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
4
hits ·
2
errors
First / Last seen
2025-08-12 00:59 · 2025-08-12 10:08
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-08-11 → 2025-08-18 · Updated
2026-01-14
· v2
Open report →
49.7.69.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
49.7.69.0
Broadcast
49.7.69.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-05-12 05:56 · 2025-05-12 05:56
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2025-05-12 → 2025-05-19 · Updated
2026-01-14
· v2
Open report →
49.7.20.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
49.7.20.0
Broadcast
49.7.20.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-05-20 06:39 · 2024-05-20 06:39
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2024-05-20 → 2024-05-27 · Updated
2026-01-14
· v2
Open report →
49.7.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
49.7.21.0
Broadcast
49.7.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.911 , 116.395
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-05-20 06:39 · 2024-05-20 06:39
Top ASN
AS23724 ·
IDC, China Telecommunications Corporation
Top organization / ISP
ChinaTelecom Group Beijing Ltd, Co
·
BJTEL
Top geo
China
·
Beijing
·
Beijing
Window / Updated
2024-05-20 → 2024-05-27 · Updated
2026-01-14
· v2
Open report →
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