45.121.200.0/24

AS23881 · UDomain Web Hosting Company Ltd

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

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

WHOIS Details

inetnum:        45.121.200.0 - 45.121.200.255
netname:        UDOMAIN-HK
descr:          UDomain Web Hosting Company Ltd
country:        HK
admin-c:        NA724-AP
tech-c:         NA724-AP
abuse-c:        AU302-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         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:          45.121.200.0/24
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:  2019-07-15T04:11:30Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 45.121.0.0/16

Range	ASN	Company	Num of IPs
45.121.80.0/22	AS153494	UNIT 04 7/F BRIGHT WAY TOWER	1,024
45.121.84.0/22	AS18106	Viewqwest Pte Ltd	1,024
45.121.132.0/22	AS1851	Adelaide University	1,024
45.121.32.0/22	AS136908	Sky Broadband Pvt. Ltd	1,024
45.121.0.0/22	AS24186	RailTel Corporation is an Internet Service Provider.	1,024
45.121.148.0/22	AS2516	Mainz, LLC	1,024
45.121.48.0/22	AS31972	Xiang Ao Communications Co. Ltd.	1,024
45.121.36.0/22	AS45960	YTL Broadband Sdn. Bhd.	1,024
45.121.24.0/22	AS131429	Mobifone Corporation	1,024
45.121.236.0/22	AS132590	AKCTV Pte. Ltd.	1,024
45.121.160.0/22	AS56149	INCOM Company	1,024
45.121.20.0/22	AS56231	MEASAT Broadcast Network Systems Sdn. Bhd.	1,024
45.121.108.0/22	AS135214	THE SPEEDNET	1,024
45.121.56.0/22	AS153494	UNIT 17, 9TH FL OF TOWER A New,	1,024
45.121.104.0/22	AS12975	Palestine Telecommunications Company (PALTEL)	1,024
45.121.201.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.203.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.52.0/24	AS4847	Beijing Guanghuan newsletter network communication technology limited liability company	256
45.121.55.0/24	AS4847	Beijing Guanghuan newsletter network communication technology limited liability company	256
45.121.212.0/24	AS62610	Graha Telkomsigma	256
45.121.213.0/24	AS62610	Menara AIMS, Changkat Raja Chulan, 50200 Kuala Lumpur, Malaysia	256
45.121.214.0/24	AS62610	StarkenburgstraÃŸe 12, 64546 MÃ¶rfelden, Germany	256
45.121.33.0/24	AS136908	Sky Broadband Pvt. Ltd.	256
45.121.34.0/24	AS136908	Sky Broadband Pvt. Ltd.	256
45.121.35.0/24	AS136908	Sky Broadband Pvt. Ltd.	256
45.121.208.0/24	AS137409	Streamline Servers Ltd - Perth	256
45.121.209.0/24	AS137409	Streamline Servers Ltd - Melbourne	256
45.121.210.0/24	AS137409	Streamline Servers Ltd - Sydney	256
45.121.211.0/24	AS137409	Streamline Servers Ltd - Sydney	256
45.121.192.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.194.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.196.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.197.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.198.0/24	AS23881	UDomain Web Hosting Company Ltd	256
45.121.199.0/24	AS23881	UDomain Web Hosting Company 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

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

IP Address	ASN	Details
45.121.200.250	AS23881 UDomain Web Hosting Company Ltd	`0.62ms` 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
104.249.144.8	AS53839 Epsilon, Inc.	`1.55ms` from Asheville, US
131.189.16.104	AS8075 Microsoft Corporation	`0.28ms` from Frankfurt am Main, DE
116.31.105.248	AS4134 CHINANET-BACKBONE	`5.28ms` from Guangzhou, CN
193.140.226.216	AS24922 Hacettepe Universitesi	`8.44ms` from Istanbul, TR
187.158.45.200	AS8151 UNINET	`16.55ms` from Los Angeles, US
51.174.95.200	AS29695 Lyse Tele AS	`6.78ms` from Oslo, NO
141.0.71.168	AS29695 Lyse Tele AS	`0.89ms` from Oslo, NO
109.173.162.56	AS13110 INEA sp. z o.o.	`4.71ms` from Warsaw, PL
146.20.84.40	AS27357 Rackspace Hosting	`0.46ms` from Ashburn, US
70.101.6.8	AS5650 Frontier Communications of America, Inc.	`18.48ms` from Ashburn, US
147.102.196.200	AS3323 National Technical University of Athens	`2.63ms` from Athens, GR
104.55.237.184	AS7018 AT&T Enterprises, LLC	`10.59ms` from Atlanta, US
104.114.94.168	AS16625 Akamai Technologies, Inc.	`0.23ms` from Bengaluru, IN
197.56.172.200	AS8452 TE-AS	`2.79ms` from Cairo, EG
68.206.252.184	AS11427 Charter Communications Inc	`10.14ms` from Dallas, US
173.207.122.248	AS11492 CABLE ONE, INC.	`3.18ms` from Dallas, US
75.158.155.232	AS852 TELUS Communications Inc.	`5.44ms` from Edmonton, CA
18.192.207.8	AS16509 Amazon.com, Inc.	`0.51ms` from Frankfurt am Main, DE
72.220.110.168	AS22773 Cox Communications Inc.	`7.89ms` from Los Angeles, US
81.53.69.232	AS3215 Orange S.A.	`11.08ms` from Paris, FR
73.231.39.232	AS7922 Comcast Cable Communications, LLC	`6.26ms` from San Jose, US
143.105.10.72	AS14593 Space Exploration Technologies Corporation	`12.72ms` from Seattle, US
76.146.152.216	AS7922 Comcast Cable Communications, LLC	`5.69ms` from Seattle, US
210.206.234.120	AS3786 LG DACOM Corporation	`6.94ms` from Seoul, KR
140.206.215.104	AS138421 China Unicom	`2.28ms` 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 45.121.200.2

traceroute to 45.121.200.2 (45.121.200.2): 64 hops max, 52 byte packets

1 [AS15169] 72.14.232.209 84.419 ms

2 *

3 [AS9304] 118.143.225.82 76.995 ms

4 *

5 [AS9304] 218.189.5.57 82.274 ms

6 [AS9304] 218.189.31.154 82.061 ms

7 *

8 [AS23881] 45.121.200.2 79.863 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales