ASN Lookup Tool

UDomain Web Hosting Company Limited udomain.hk HK HK 76 Routes

AS Data

AS23881

AS23881UDomain Web Hosting Company Limited

AS Number 23881
AS Name UDOMAIN-AS-AP
Organization UDomain Web Hosting Company Limited(org-uwhc1-ap)
Country HK
Website udomain.hk
Number of IPv4 Routes 74
Number of IPv6 Routes 2
ASN type HOSTING
Registry APNIC
Date Allocated N/A

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Use ASN data for AS23881 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
203.135.157.0/24 256
203.135.131.0/24 256
23.226.6.0/24 256
45.121.197.0/24 256
162.247.0.0/24 256
203.135.143.0/24 256
203.90.226.0/24 256
103.15.195.0/24 256
103.15.192.0/24 256
23.226.1.0/24 256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS23854 - AS23944'

as-block:       AS23854 - AS23944
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2008-09-04T06:40:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS23881'

% Abuse contact for 'AS23881' is 'report_abuse@udomain.hk'

aut-num:        AS23881
as-name:        UDOMAIN-AS-AP
descr:          UDomain Web Hosting Company Ltd
descr:          Hong Kong
country:        HK
import:         from AS7540 action pref=100; accept ANY
import:         from AS2914 action pref=100; accept ANY
export:         to AS7540 announce AS23881
export:         to AS2914 announce AS23881
export:         to AS-ANY announce AS23881
org:            ORG-UWHC1-AP
admin-c:        UA32-AP
tech-c:         UA32-AP
abuse-c:        AU97-AP
mnt-lower:      MAINT-HK-UDOMAIN
mnt-routes:     MAINT-HK-UDOMAIN
mnt-by:         APNIC-HM
mnt-irt:        IRT-UDOMAIN-HK
last-modified:  2020-06-15T01:32:17Z
source:         APNIC

irt:            IRT-UDOMAIN-HK
address:        18/F, Kinox Centre, 9 Hung To Road, Hong Kong
address:        Hong Kong
e-mail:         report_abuse@udomain.hk
abuse-mailbox:  report_abuse@udomain.hk
admin-c:        UA32-AP
tech-c:         UA32-AP
auth:           # Filtered
remarks:        report_abuse@udomain.hk was validated on 2025-09-09
mnt-by:         MAINT-HK-UDOMAIN
last-modified:  2025-11-18T00:27:27Z
source:         APNIC

organisation:   ORG-UWHC1-AP
org-name:       UDomain Web Hosting Company Limited
org-type:       LIR
country:        HK
address:        18/F,
address:        Kinox Centre,
address:        9 Hung To Road,
address:        Kwun Tong, Kowloon.
phone:          +852-2554-7545
fax-no:         +852-2554-7900
e-mail:         noc@udomain.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:57Z
source:         APNIC

role:           ABUSE UDOMAINHK
country:        ZZ
address:        18/F, Kinox Centre, 9 Hung To Road, Hong Kong
address:        Hong Kong
phone:          +000000000
e-mail:         report_abuse@udomain.hk
admin-c:        UA32-AP
tech-c:         UA32-AP
nic-hdl:        AU97-AP
remarks:        Generated from irt object IRT-UDOMAIN-HK
remarks:        report_abuse@udomain.hk was validated on 2025-09-09
abuse-mailbox:  report_abuse@udomain.hk
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-09T04:13:00Z
source:         APNIC

role:           UDOMAIN 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:        UN22-AP
tech-c:         UN22-AP
nic-hdl:        UA32-AP
mnt-by:         MAINT-HK-UDOMAIN
last-modified:  2017-10-16T08:26:03Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number Description Country
AS60068 Datacamp Limited GB
AS4515 PCCW IMS Ltd PCCW Business Internet Access HK
AS9304 HGC Global Communications Limited HK
AS140570 Hong Kong Beecloud System Technology Services Limited HK
AS7540 IXTech Limited HK
AS2914 NTT America, Inc. US
AS4515 PCCW IMS Ltd (PCCW Business Internet Access) HK
AS10098 Towngas Telecommunications Fixed Network Ltd HK

Upstreams

AS Number Description Country
AS60068 Datacamp Limited GB
AS4515 PCCW IMS Ltd PCCW Business Internet Access HK
AS9304 HGC Global Communications Limited HK
AS140570 Hong Kong Beecloud System Technology Services Limited HK
AS10098 Towngas Telecommunications Fixed Network Ltd HK

Contacts

Email Contacts

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Frequently Asked Questions

ASN AS23881 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23881 is listed under UDomain Web Hosting Company Limited.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.