203.90.224.0/24

AS23881 · UDomain Web Hosting Company Ltd

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Summary

Country	Hong Kong
Domain	udomain.hk
ASN	AS23881
Registry	APNIC
ID	UDOMAIN-HK

WHOIS Details

inetnum:        203.90.224.0 - 203.90.224.255
netname:        UDOMAIN-HK
descr:          UDomain Web Hosting Company Ltd
country:        HK
admin-c:        NA724-AP
tech-c:         NA724-AP
abuse-c:        AU302-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-NEWSKY-AP
mnt-lower:      MAINT-NEWSKY-AP
mnt-routes:     MAINT-NEWSKY-AP
mnt-irt:        IRT-UDOMAIN-HK1
last-modified:  2022-01-05T13:14:16Z
source:         APNIC

irt:            IRT-UDOMAIN-HK1
address:        Unit A - D, 6th Floor,Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.
e-mail:         support@udomain.com.hk
abuse-mailbox:  support@udomain.com.hk
admin-c:        NA724-AP
tech-c:         NA724-AP
auth:           # Filtered
remarks:        support@udomain.com.hk is invalid
mnt-by:         MAINT-NEWSKY-AP
last-modified:  2025-11-18T00:30:25Z
source:         APNIC

role:           ABUSE UDOMAINHK1
country:        ZZ
address:        Unit A - D, 6th Floor,Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.
phone:          +000000000
e-mail:         support@udomain.com.hk
admin-c:        NA724-AP
tech-c:         NA724-AP
nic-hdl:        AU302-AP
remarks:        Generated from irt object IRT-UDOMAIN-HK1
remarks:        support@udomain.com.hk is invalid
abuse-mailbox:  support@udomain.com.hk
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-22T22:58:59Z
source:         APNIC

role:           Network Administrators
address:        Unit A - D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon
country:        HK
phone:          +852 2554 7545
e-mail:         noc@udomain.hk
admin-c:        NO138-AP
tech-c:         NO138-AP
nic-hdl:        NA724-AP
mnt-by:         MAINT-NEWSKY-AP
last-modified:  2019-06-17T09:29:05Z
source:         APNIC

route:          203.90.224.0/24
origin:         AS23881
descr:          New Sky Internet Limited Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street,
mnt-by:         MAINT-NEWSKY-AP
last-modified:  2019-07-15T04:24:21Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.90.0.0/16

Range	ASN	Company	Num of IPs
203.90.32.0/19	AS18310	SK Broadband Co Ltd	8,192
203.90.24.0/22	AS4858	Corpita Pty Ltd	1,024
203.90.4.0/23	AS10215	Microland Bangalore	512
203.90.225.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.226.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.227.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.228.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.229.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.230.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.254.0/24	AS23881	UDomain Web Hosting Company Ltd	256
203.90.239.0/24	AS55355	HGC Global Communications Limited	256
203.90.245.0/24	AS55355	NewSky Internet LIMITED	256
203.90.246.0/24	AS55355	NewSky Internet LIMITED	256
203.90.247.0/24	AS55355	NewSky Internet LIMITED	256
203.90.248.0/24	AS55355	NewSky Internet LIMITED	256
203.90.249.0/24	AS55355	NewSky Internet LIMITED	256
203.90.250.0/24	AS55355	NewSky Internet LIMITED	256
203.90.255.0/24	AS55355	NewSky Internet LIMITED	256
203.90.31.0/24	AS55581	Corpita assignment to Binary Networks	256
203.90.231.0/24	AS9304	NewSky Internet LIMITED	256
203.90.232.0/24	AS9304	NewSky Internet LIMITED	256
203.90.233.0/24	AS9304	NewSky Internet LIMITED	256
203.90.234.0/24	AS9304	NewSky Internet LIMITED	256
203.90.236.0/24	AS9304	NewSky Internet LIMITED	256
203.90.237.0/24	AS9304	NewSky Internet LIMITED	256
203.90.238.0/24	AS9304	NewSky Internet LIMITED	256
203.90.240.0/24	AS9304	NewSky Internet LIMITED	256
203.90.241.0/24	AS9304	NewSky Internet LIMITED	256
203.90.242.0/24	AS9304	NewSky Internet LIMITED	256
203.90.243.0/24	AS9304	NewSky Internet LIMITED	256
203.90.244.0/24	AS9304	NewSky Internet LIMITED	256
203.90.251.0/24	AS9304	NewSky Internet LIMITED	256
203.90.253.0/24	AS150342	UDomain Web Hosting Company Ltd	256

Hosted domains

There are 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.90.224.112	leiyuen.com.hk	1
203.90.224.82	mcti.com.hk	1
203.90.224.92	i328.com.hk	1
203.90.224.3	tnd.com.hk	1

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

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Pingable IPs

5 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
203.90.224.2	AS23881 UDomain Web Hosting Company Ltd	`0.73ms` from Hong Kong, HK

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
4.245.20.152	AS8075 Microsoft Corporation	`0.32ms` from Amsterdam, NL
97.81.8.40	AS20115 Charter Communications LLC	`15.85ms` from Atlanta, US
68.0.194.104	AS22773 Cox Communications Inc.	`7.70ms` from Boston, US
50.103.154.24	AS5650 Frontier Communications of America, Inc.	`5.08ms` from Chicago, US
14.243.55.104	AS45899 VNPT Corp	`1.09ms` from Da Nang, VN
87.154.0.120	AS3320 Deutsche Telekom AG	`5.19ms` from Duesseldorf, DE
173.222.12.24	AS16625 Akamai Technologies, Inc.	`0.34ms` from London, GB
212.40.192.72	AS8904 Bank of Russia	`0.55ms` from Moscow, RU
37.195.249.200	AS31200 Novotelecom Ltd	`1.13ms` from Novosibirsk, RU
208.53.102.8	AS11404 Wave Broadband	`3.68ms` from Seattle, US
74.6.168.248	AS36647 Yahoo Holdings Inc.	`3.96ms` from Seattle, US
115.130.238.8	AS7545 TPG Telecom Limited	`4.92ms` from Sydney, AU
116.254.67.104	AS10010 TOKAI Communications Corporation	`9.79ms` from Tokyo, JP
178.42.91.200	AS5617 Orange Polska Spolka Akcyjna	`1.87ms` from Warsaw, PL
73.129.154.120	AS7922 Comcast Cable Communications, LLC	`5.17ms` from Ashburn, US
97.81.164.104	AS20115 Charter Communications LLC	`14.24ms` from Atlanta, US
69.243.184.200	AS7922 Comcast Cable Communications, LLC	`4.14ms` from Chicago, US
143.83.35.120	AS5972 United States Department of Defense (DoD)	`10.63ms` from Dallas, US
92.19.239.216	AS13285 TalkTalk Communications Limited	`5.33ms` from London, GB
51.174.74.232	AS29695 Lyse Tele AS	`5.99ms` from Oslo, NO
86.239.104.152	AS3215 Orange S.A.	`7.26ms` from Paris, FR
52.46.158.120	AS16509 Amazon.com, Inc.	`0.54ms` from Reston, US
184.167.32.8	AS33588 Charter Communications LLC	`17.32ms` from Seattle, US
61.73.24.8	AS4766 Korea Telecom	`1.21ms` from Seoul, KR
58.35.70.248	AS4812 China Telecom (Group)	`3.82ms` from Shanghai, CN

Traceroute

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

traceroute -a -n -q1 -f3 203.90.224.254

traceroute to 203.90.224.254 (203.90.224.254): 64 hops max, 52 byte packets

3 [] 195.66.224.100 11.212 ms

4 *

5 *

6 *

7 [AS9304] 218.189.5.57 190.897 ms

8 [AS9304] 218.189.31.154 207.636 ms

9 *

10 *

11 [AS23881] 203.90.224.254 205.521 ms

Measurement taken from

IPinfo ProbeNet in Glasgow, GB

On February 7th 2026

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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