1. All IP Ranges
  2. 103.0.0.0/8
  3. 103.203.0.0/16
  4. AS963  | 103.203.51.0/24

103.203.51.0/24

AS963  ·  N963 PTE. LTD.

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Summary

Country United States
Domain netsec.net
ASN AS963
Parent Range 103.203.48.0/22
Registry APNIC
ID NETSEC

WHOIS Details

inetnum:        103.203.51.0 - 103.203.51.255
netname:        Netsec
descr:          Netsec
country:        US
admin-c:        NN541-AP
tech-c:         NN541-AP
abuse-c:        AC1702-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-CYBERWILLLIMITED-HK
mnt-irt:        IRT-CYBERWILLLIMITED-HK
last-modified:  2025-09-09T05:00:23Z
source:         APNIC

irt:            IRT-CYBERWILLLIMITED-HK
address:        Flat 2016, 20/F, New Tech Plaza,, 34 Tai Yau Street,, San Po Kong, Kowloon,, Hong Kong., Hong Kong K
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CWLA1-AP
tech-c:         CWLA1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-09-17
mnt-by:         MAINT-CYBERWILLLIMITED-HK
last-modified:  2025-11-18T00:30:28Z
source:         APNIC

role:           ABUSE CYBERWILLLIMITEDHK
country:        ZZ
address:        Flat 2016, 20/F, New Tech Plaza,, 34 Tai Yau Street,, San Po Kong, Kowloon,, Hong Kong., Hong Kong K
phone:          +000000000
e-mail:         [email protected]
admin-c:        CWLA1-AP
tech-c:         CWLA1-AP
nic-hdl:        AC1702-AP
remarks:        Generated from irt object IRT-CYBERWILLLIMITED-HK
remarks:        [email protected] was validated on 2025-09-17
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-17T07:36:38Z
source:         APNIC

role:           NETSEC NOC
address:        Suite 1007, 10/F, The Bay Hub, 17 Kai Cheung Rd, Kowloon Bay
country:        HK
phone:          +85227511100
e-mail:         [email protected]
admin-c:        NN541-AP
tech-c:         NN541-AP
nic-hdl:        NN541-AP
mnt-by:         MAINT-NETSEC-HK
last-modified:  2025-03-14T05:55:40Z
source:         APNIC

route:          103.203.51.0/24
origin:         AS45753
descr:          Cyber Will Limited Unit2607, Billion Plaza, 8 Cheung Yue Street, Cheung Sha Wan, Kowloon,, Hong Kong.
mnt-by:         MAINT-CYBERWILLLIMITED-HK
last-modified:  2021-10-19T09:47:49Z
source:         APNIC

route:          103.203.51.0/24
origin:         AS963
descr:          Cyber Will Limited Unit2607, Billion Plaza, 8 Cheung Yue Street, Cheung Sha Wan, Kowloon,, Hong Kong.
mnt-by:         MAINT-CYBERWILLLIMITED-HK
last-modified:  2025-03-13T06:46:13Z
source:         APNIC

route:          103.203.51.0/24
origin:         AS9744
descr:          Cyber Will Limited Unit2607, Billion Plaza, 8 Cheung Yue Street, Cheung Sha Wan, Kowloon,, Hong Kong.
mnt-by:         MAINT-CYBERWILLLIMITED-HK
last-modified:  2021-11-16T08:44:13Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 103.203.51.0/24

Range ASN Company Num of IPs
103.203.48.0/22 AS45753 Flat 2016, 20/F, New Tech Plaza, 1,024

Nearby Ranges

BGP prefixes that overlap with 103.203.0.0/16

Range ASN Company Num of IPs
103.203.224.0/22 AS134337 R2 Net Solutions Pvt Ltd 1,024
103.203.96.0/22 AS58541 QingDao NEWJIAHUA NETWORKS Corp. Limited 1,024
103.203.48.0/22 AS45753 Flat 2016, 20/F, New Tech Plaza, 1,024
103.203.216.0/22 AS63561 China Electronics Technology Cyber Security Co.,LTD 1,024
103.203.92.0/22 AS134841 Rana Javed Kabir t/a Interpid Broadband Communication Company Ltd. 1,024
103.203.252.0/22 AS134940 Faridabad Netcom Pvt. Ltd. 1,024
103.203.196.0/22 AS135406 BCD Networks Pty Ltd 1,024
103.203.40.0/22 AS46261 QuickPacket, LLC 1,024
103.203.52.0/22 AS133334 DCTV Cable Network & Broadband Services Inc. 1,024
103.203.140.0/22 AS134765 YunNan LanDui Network Technology co., LTD 1,024
103.203.180.0/22 AS213102 Mario Schmelzer 1,024
103.203.72.0/22 AS24186 RailTel Corporation is an Internet Service Provider. 1,024
103.203.60.0/22 AS24554 Microscan Internet Limited 1,024
103.203.238.0/23 AS133187 Ashnet Limited 512
103.203.206.0/23 AS4800 PT Wahanatama Indo Sejahtera 512
103.203.232.0/23 AS151600 PT Inti Data Guna 512
103.203.70.0/23 AS4800 PT Putri Pantai Ping 512
103.203.68.0/23 AS4800 PT Karyndo Jayama Sukses 512
103.203.204.0/23 AS4800 PT Gemilang Dua Permata 512
103.203.242.0/23 AS955 LSHIY (Hong Kong) Limited 512
103.203.47.0/24 AS149456 Orbit Networks (Pvt) Ltd 256
103.203.240.0/24 AS150788 Alternative Enterprises (HK) Limited 256
103.203.90.0/24 AS150926 PT Gerbang Sinergi Prima 256
103.203.234.0/24 AS151006 PT Nesta Indo Media 256
103.203.245.0/24 AS151822 Toyota Motor Corporation Australia Limited 256
103.203.235.0/24 AS151831 STACK Infrastructure Australia Pty Ltd 256
103.203.48.0/24 AS45753 Netsec 256
103.203.49.0/24 AS45753 Netsec 256
103.203.50.0/24 AS45753 Netsec 256
103.203.204.0/24 AS4800 Indonesia Online Access 256
103.203.205.0/24 AS4800 Indonesia Online Access 256
103.203.206.0/24 AS4800 Indonesia Online Access 256
103.203.207.0/24 AS4800 Indonesia Online Access 256
103.203.68.0/24 AS4800 Indonesia Online Access 256
103.203.69.0/24 AS4800 Indonesia Online Access 256
103.203.70.0/24 AS4800 Indonesia Online Access 256
103.203.71.0/24 AS4800 Indonesia Online Access 256
103.203.44.0/24 AS58895 Evosol (Pvt) Ltd 256
103.203.176.0/24 AS64074 Golam Mostofa t/a Alpha Broadway System 256
103.203.177.0/24 AS64074 Max Hub Limited 256
103.203.178.0/24 AS64074 Alpha Broadway System 256
103.203.179.0/24 AS64074 Golam Mostofa t/a Alpha Broadway System 256
103.203.220.0/24 AS13150 CATO NETWORKS LTD 256
103.203.221.0/24 AS13150 CATO NETWORKS LTD 256
103.203.222.0/24 AS13150 Cato Networks, Inc. 256
103.203.223.0/24 AS13150 Cato Networks, Inc. 256
103.203.91.0/24 AS134636 PT Bank DBS Indonesia 256
103.203.163.0/24 AS134754 Computer One Software Australia Pty Ltd 256
103.203.132.0/24 AS134840 Myanmar Country Co Ltd 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
147.241.137.136 AS228 United States Department of Defense (DoD) 0.58ms from Atlanta, US
87.174.113.152 AS3320 Deutsche Telekom AG 4.48ms from Duesseldorf, DE
200.75.202.24 AS18809 Cable Onda 7.96ms from Panama, PA
188.233.14.56 AS39435 JSC "ER-Telecom Holding" 10.46ms from Samara, RU
213.141.88.24 AS16117 Gavle Energi AB 3.31ms from Stockholm, SE
202.225.183.56 AS2518 BIGLOBE Inc. 2.21ms from Tokyo, JP
152.70.100.184 AS31898 Oracle Corporation 0.31ms from Tokyo, JP
34.85.133.184 AS396982 Google LLC 0.13ms from Ashburn, US
180.249.245.72 AS7713 PT Telekomunikasi Indonesia 10.43ms from Batam, ID
73.69.200.184 AS7922 Comcast Cable Communications, LLC 7.89ms from Boston, US
93.161.69.88 AS3292 TDC Holding A/S 2.31ms from Copenhagen, DK
34.30.190.72 AS396982 Google LLC 0.11ms from Council Bluffs, US
13.33.53.72 AS16509 Amazon.com, Inc. 0.21ms from Frankfurt am Main, DE
185.227.111.88 AS204548 Kamatera Inc 0.37ms from Frankfurt am Main, DE
14.179.31.232 AS45899 VNPT Corp 2.09ms from Ho Chi Minh City, VN
213.123.125.200 AS2856 British Telecommunications PLC 2.82ms from London, GB
174.87.167.168 AS20115 Charter Communications LLC 13.07ms from Los Angeles, US
114.108.193.216 AS23944 SKYBroadband SKYCable Corporation 0.69ms from Manila, PH
116.89.79.152 AS55430 Starhub Ltd 2.59ms from Singapore, SG
185.103.19.104 AS39704 CJ2 Hosting B.V. 2.97ms from Amsterdam, NL
1.25.95.200 AS139007 UNICOM InnerMongolia province network 10.33ms from Beijing, CN
150.165.212.24 AS1916 Rede Nacional de Ensino e Pesquisa 2.66ms from Campina Grande, BR
36.71.145.184 AS7713 PT Telekomunikasi Indonesia 12.23ms from Jakarta, ID
34.234.231.232 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
211.248.18.24 AS4766 Korea Telecom 2.09ms from Seoul, KR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -m4 103.203.51.129
traceroute to 103.203.51.129 (103.203.51.129): 4 hops max, 52 byte packets
2 *
3 *
4 *
Measurement taken from IPinfo ProbeNet in San Jose, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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