ASN Lookup Tool

CSL Mobile Limited hkcsl.com HK HK 85 Routes

AS Data

AS38819

AS38819 – CSL Mobile Limited

AS Number 38819
AS Name HKCSL-AS-AP
Organization CSL Mobile Limited (org-cl2-ap)
Country HK
Website hkcsl.com
Number of IPv4 Routes 69
Number of IPv6 Routes 16
ASN type ISP
Registry APNIC
Date Allocated 2007-10-25

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IP Ranges

Route # IPs
110.4.11.0/24 256
14.0.240.0/21 2048
110.4.2.0/24 256
110.4.16.0/24 256
14.0.131.0/24 256
203.210.8.0/24 256
14.0.136.0/24 256
14.0.182.0/24 256
14.0.166.0/24 256
14.0.194.0/24 256
203.210.7.0/24 256
110.4.25.0/24 256
14.0.145.0/24 256
14.0.224.0/21 2048
203.210.3.0/24 256
14.0.143.0/24 256
2403:1000:4000::/36 ~5×10²⁷
2403:1000:1200::/40 ~309×10²⁴
14.0.136.0/22 1024
2403:1000:1100::/40 ~309×10²⁴
110.4.4.0/24 256
14.0.140.0/24 256
110.4.13.0/24 256
2405:b200:110::/44 ~19×10²⁴
14.0.129.0/24 256
14.0.128.0/17 32768
14.0.223.0/24 256
14.0.196.0/22 1024
110.4.18.0/24 256
2403:1000::/32 ~79×10²⁷
110.4.22.0/24 256
2403:1000:4100::/40 ~309×10²⁴
14.0.206.0/24 256
2403:1000:1000::/36 ~5×10²⁷
110.4.21.0/24 256
110.4.9.0/24 256
14.0.215.0/24 256
14.0.192.0/24 256
2403:1000:5100::/40 ~309×10²⁴
2403:1000:5300::/40 ~309×10²⁴
14.0.183.0/24 256
110.4.20.0/24 256
14.0.193.0/24 256
110.4.19.0/24 256
14.0.146.0/24 256
203.210.2.0/24 256
14.0.195.0/24 256
14.0.232.0/21 2048
203.210.0.0/20 4096
14.0.226.0/24 256
14.0.204.0/23 512
14.0.200.0/24 256
14.0.128.0/24 256
14.0.247.0/24 256
203.210.4.0/24 256
110.4.0.0/19 8192
14.0.130.0/24 256
110.4.17.0/24 256
203.210.6.0/24 256
110.4.1.0/24 256

Raw Whois Response

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

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS38819'

% Abuse contact for 'AS38819' is 'corepssupport@pccw.com'

aut-num:        AS38819
as-name:        HKCSL-AS-AP
descr:          HKCSL GPRS NETWORK
country:        HK
import:         from AS2914 accept ANY
import:         from AS4637 accept ANY
import:         from AS4635 accept ANY
export:         to AS2914 announce AS38819
export:         to AS4637 announce AS38819
export:         to AS4635 announce AS38819
org:            ORG-CL2-AP
admin-c:        IO35-AP
tech-c:         IP90-AP
abuse-c:        AH969-AP
notify:         paul.my.fung@pccw.com
mnt-lower:      MAINT-AP-SYSENG
mnt-routes:     MAINT-AP-SYSENG
mnt-by:         APNIC-HM
mnt-irt:        IRT-HKCSL-HK
last-modified:  2020-07-07T04:57:11Z
source:         APNIC

irt:            IRT-HKCSL-HK
address:        4/F, Lai Chi Kok Engineering II
address:        4 Yuet Lun Street,
address:        Lai Chi Kok
address:        Hong Kong
e-mail:         corepssupport@pccw.com
abuse-mailbox:  corepssupport@pccw.com
admin-c:        IO35-AP
tech-c:         IP90-AP
auth:           # Filtered
remarks:        corepssupport@pccw.com was validated on 2026-05-12
mnt-by:         MAINT-AP-SYSENG
last-modified:  2026-05-12T13:50:29Z
source:         APNIC

organisation:   ORG-CL2-AP
org-name:       CSL Limited
org-type:       LIR
country:        HK
address:        3rd Floor
address:        Lai Chi Kok Engineering Center II
address:        4 Yuet Lun Street
phone:          +852-2883-4324
fax-no:         +852-2962-5504
e-mail:         corepssupport@pccw.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:49Z
source:         APNIC

role:           ABUSE HKCSLHK
country:        ZZ
address:        4/F, Lai Chi Kok Engineering II
address:        4 Yuet Lun Street,
address:        Lai Chi Kok
address:        Hong Kong
phone:          +000000000
e-mail:         corepssupport@pccw.com
admin-c:        IO35-AP
tech-c:         IP90-AP
nic-hdl:        AH969-AP
remarks:        Generated from irt object IRT-HKCSL-HK
remarks:        corepssupport@pccw.com was validated on 2026-05-12
abuse-mailbox:  corepssupport@pccw.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-12T13:50:50Z
source:         APNIC

person:         IPBB Operation
address:        3/F, Lai Chi Kok Engineering Center II
                4 Yuet Lun Street
                Hong Kong
country:        HK
phone:          +852-23464280
e-mail:         corepssupport@pccw.com
nic-hdl:        IO35-AP
remarks:        Please send spam and abuse reports to corepssupport@pccw.com
remarks:        with providing detail information and times in HKT.
remarks:        The phone number is only for emergency contact
abuse-mailbox:  corepssupport@pccw.com
mnt-by:         MAINT-AP-SYSENG
last-modified:  2016-08-04T02:55:19Z
source:         APNIC

person:         IPBB Planning
address:        3/F, Lai Chi Kok Engineering Centre II, 4 Yuet Lun Street
country:        HK
phone:          +852-23464280
e-mail:         PCCWEngrgWireless-SPDIPCoreNetwork@pccw.com
nic-hdl:        IP90-AP
abuse-mailbox:  corepssupport@pccw.com
mnt-by:         MAINT-AP-SYSENG
remarks:        Please send spam and abuse reports to corepssupport@pccw.com
remarks:        with providing detail information and times in HKT
remarks:        The phone number is only for emergency contact
last-modified:  2024-08-09T08:21:23Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS24482 SG.GS SG
AS39120 Convergenze S.p.A. IT
AS4760 HKT Limited HK
AS8359 MTS PJSC RU
AS32590 Valve Corporation US
AS4635 The Hong Kong Internet Exchange Limited HK
AS58717 Summit Communications Limited BD
AS2914 NTT America, Inc. US
AS132337 AXCLUSIVE PTE. LTD. SG
AS140627 ONEQODE ASSETS PTY LTD AU
AS9930 TT DOTCOM SDN BHD MY
AS9444 Hong Kong Telecommunications HKT Limited HK
AS36236 NetActuate, Inc US
AS4637 Telstra International Limited HK
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS9930 TT DOTCOM SDN BHD MY
AS4760 HKT Limited HK
AS8359 MTS PJSC RU
AS4635 The Hong Kong Internet Exchange Limited HK

Downstreams

AS Number Description Country
AS9444 Hong Kong Telecommunications HKT Limited HK

Contacts

Email Contacts

corepssupport@pccw.com

Abuse Contacts

corepssupport@pccw.com

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Frequently Asked Questions

ASN AS38819 is an Autonomous System Number used to identify a network for BGP internet routing.
AS38819 is listed under CSL Mobile 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.