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:
Hanoi Post and Telecom Company
·
Clear
Snapshot
2026-03-05
Results
103
Page
3
/
3
222.252.98.0/24
Risk Max
—
LOW
Footprint
4.688
%
Hits
26
Prefix / IP version
/24 · IPv4
Network
222.252.98.0
Broadcast
222.252.98.255
Observed IPs / Subnet size
12
observed ·
256
total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
26
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.97.0/24
Risk Max
—
LOW
Footprint
4.688
%
Hits
17
Prefix / IP version
/24 · IPv4
Network
222.252.97.0
Broadcast
222.252.97.255
Observed IPs / Subnet size
12
observed ·
256
total
Centroid
21.018399999999996 , 105.84609999999999
Hits / Errors
17
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.15.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
26
Prefix / IP version
/24 · IPv4
Network
222.252.15.0
Broadcast
222.252.15.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
21.018400000000003 , 105.84610000000004
Hits / Errors
26
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.30.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
24
Prefix / IP version
/24 · IPv4
Network
222.252.30.0
Broadcast
222.252.30.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
21.018399999999996 , 105.84610000000004
Hits / Errors
24
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.31.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
22
Prefix / IP version
/24 · IPv4
Network
222.252.31.0
Broadcast
222.252.31.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
21.018399999999996 , 105.84610000000002
Hits / Errors
22
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.21.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
21
Prefix / IP version
/24 · IPv4
Network
222.252.21.0
Broadcast
222.252.21.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
21.0184 , 105.84610000000004
Hits / Errors
21
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.8.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
21
Prefix / IP version
/24 · IPv4
Network
222.252.8.0
Broadcast
222.252.8.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
21.018399999999996 , 105.84609999999999
Hits / Errors
21
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.14.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
17
Prefix / IP version
/24 · IPv4
Network
222.252.14.0
Broadcast
222.252.14.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
21.018399999999996 , 105.8461
Hits / Errors
17
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.6.0/24
Risk Max
—
LOW
Footprint
3.906
%
Hits
19
Prefix / IP version
/24 · IPv4
Network
222.252.6.0
Broadcast
222.252.6.255
Observed IPs / Subnet size
10
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
19
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.16.0/24
Risk Max
—
LOW
Footprint
3.906
%
Hits
16
Prefix / IP version
/24 · IPv4
Network
222.252.16.0
Broadcast
222.252.16.255
Observed IPs / Subnet size
10
observed ·
256
total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
16
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.17.0/24
Risk Max
—
LOW
Footprint
3.516
%
Hits
22
Prefix / IP version
/24 · IPv4
Network
222.252.17.0
Broadcast
222.252.17.255
Observed IPs / Subnet size
9
observed ·
256
total
Centroid
21.0184 , 105.84610000000004
Hits / Errors
22
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.12.0/24
Risk Max
—
LOW
Footprint
3.516
%
Hits
21
Prefix / IP version
/24 · IPv4
Network
222.252.12.0
Broadcast
222.252.12.255
Observed IPs / Subnet size
9
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
21
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.27.0/24
Risk Max
—
LOW
Footprint
3.125
%
Hits
21
Prefix / IP version
/24 · IPv4
Network
222.252.27.0
Broadcast
222.252.27.255
Observed IPs / Subnet size
8
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
21
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.19.0/24
Risk Max
—
LOW
Footprint
3.125
%
Hits
19
Prefix / IP version
/24 · IPv4
Network
222.252.19.0
Broadcast
222.252.19.255
Observed IPs / Subnet size
8
observed ·
256
total
Centroid
21.018399999999996 , 105.84609999999999
Hits / Errors
19
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.22.0/24
Risk Max
—
LOW
Footprint
3.125
%
Hits
16
Prefix / IP version
/24 · IPv4
Network
222.252.22.0
Broadcast
222.252.22.255
Observed IPs / Subnet size
8
observed ·
256
total
Centroid
21.018399999999996 , 105.8461
Hits / Errors
16
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.101.0/24
Risk Max
—
LOW
Footprint
2.734
%
Hits
14
Prefix / IP version
/24 · IPv4
Network
222.252.101.0
Broadcast
222.252.101.255
Observed IPs / Subnet size
7
observed ·
256
total
Centroid
21.018399999999996 , 105.84609999999999
Hits / Errors
14
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.18.0/24
Risk Max
—
LOW
Footprint
2.734
%
Hits
12
Prefix / IP version
/24 · IPv4
Network
222.252.18.0
Broadcast
222.252.18.255
Observed IPs / Subnet size
7
observed ·
256
total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
12
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.7.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
13
Prefix / IP version
/24 · IPv4
Network
222.252.7.0
Broadcast
222.252.7.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
13
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.26.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
13
Prefix / IP version
/24 · IPv4
Network
222.252.26.0
Broadcast
222.252.26.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
13
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.100.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
13
Prefix / IP version
/24 · IPv4
Network
222.252.100.0
Broadcast
222.252.100.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
13
hits ·
2
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.96.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
11
Prefix / IP version
/24 · IPv4
Network
222.252.96.0
Broadcast
222.252.96.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
11
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.9.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
222.252.9.0
Broadcast
222.252.9.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
21.018400000000003 , 105.8461
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
222.252.28.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
222.252.28.0
Broadcast
222.252.28.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
21.018400000000003 , 105.84609999999999
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS45899 ·
VNPT Corp
Top organization / ISP
Hanoi Post and Telecom Company
·
VietNam Post and Telecom Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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