AS Number
AS38819
AS Name
HKCSL-AS-AP
Org Name
HKCSL GPRS NETWORK
Country / Region
Hong Kong
Registry

apnic

RegDate

Updated

2009-09-29T06:04:16Z

AS38819 Looking Glass
IPv4Prefixes

69

IPv6Prefixes

19

IPv4 NUMs

45,056

IPv6 NUMs(/64)

8,589,934,592

CIDR Description IP Num
14.0.128.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.128.0/17
IRR InValid
CSL-NextG CSL Next G 32768
14.0.129.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.130.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.131.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.132.0/22
IRR Valid
CSL-NextG CSL Next G 1024
14.0.136.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.136.0/22
IRR InValid
CSL-NextG CSL Next G 1024
14.0.140.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.141.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.142.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.143.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.144.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.145.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.146.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.152.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.160.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.166.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.167.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.168.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.176.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.182.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.183.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.192.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.193.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.194.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.195.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.196.0/22
IRR Valid
CSL-NextG CSL Next G 1024
14.0.200.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.201.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.202.0/23
IRR Valid
CSL-NextG CSL Next G 512
14.0.204.0/23
IRR Valid
CSL-NextG CSL Next G 512
14.0.206.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.207.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.208.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.215.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.216.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.223.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.224.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.226.0/24
IRR Valid
CSL-NextG CSL Next G 256
14.0.232.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.240.0/21
IRR InValid
CSL-NextG CSL Next G 2048
14.0.247.0/24
IRR Valid
CSL-NextG CSL Next G 256
110.4.0.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.0.0/19
IRR InValid
GPRSNET CSL Next G 8192
110.4.1.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.2.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.4.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.8.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.9.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.11.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.13.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.14.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.15.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.16.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.17.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.18.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.19.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.20.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.21.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.22.0/24
IRR Valid
GPRSNET CSL Next G 256
110.4.25.0/24
IRR Valid
GPRSNET CSL Next G 256
203.210.0.0/20
IRR Valid
gprsnet CSL Next G 4096
203.210.2.0/24
IRR Valid
gprsnet CSL Next G 256
203.210.3.0/24
IRR Valid
gprsnet CSL Next G 256
203.210.4.0/24
IRR Valid
gprsnet CSL Next G 256
203.210.6.0/24
IRR Valid
gprsnet New World Mobility 256
203.210.7.0/24
IRR Valid
gprsnet New World Mobility 256
203.210.8.0/24
IRR Valid
gprsnet CSL Next G 256
CIDR Description IP NUMs(prefix /64)
2403:1000::/32
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 4294967296
2403:1000:1000::/36
IRR Parent Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 268435456
2403:1000:1100::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2403:1000:1200::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2403:1000:1300::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2403:1000:3000::/36
IRR Parent Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 268435456
2403:1000:3100::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2403:1000:4000::/36
IRR Parent Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 268435456
2403:1000:4100::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2403:1000:5000::/36
IRR Parent Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 268435456
2403:1000:5100::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2403:1000:5300::/40
IRR Valid
HKCSL-GPRS-IPV6-20071128 CSL Next G 16777216
2405:b200::/32
IRR Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 4294967296
2405:b200:110::/44
IRR Parent Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 1048576
2405:b200:110:2600::/56
IRR Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 256
2405:b200:140::/44
IRR Parent Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 1048576
2405:b200:140:2600::/56
IRR Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 256
2405:b200:150::/44
IRR Parent Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 1048576
2405:b200:150:2600::/56
IRR Valid
PCCWMOBILE-AS-AP Hong Kong Telecommunications (HKT) Limited 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4635 HKIX-RS1 - The Hong Kong Internet Exchange Limited, HK Hong Kong 2,048 1 IPv4 IPv4
AS4760 HKTIMS-AP - PCCW IMS Limited, HK Hong Kong 1,879,296 34,359,738,624 IPv4 IPv4 IPv6 IPv6
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9444 HKT-AS-AP - Hong Kong Telecommunications (HKT) Limited, HK Hong Kong 34,048 0 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Hong Kong HKIX - Hong Kong Internet Exchange 123.255.91.244 2001:7fa:0:1::ca28:a1f4 100 Gbps 2024-06-12 04:23:34
Hong Kong HKIX - Hong Kong Internet Exchange 123.255.90.149 2001:7fa:0:1::ca28:a095 100 Gbps 2024-06-12 04:19:33
Hong Kong HKIX - Hong Kong Internet Exchange 123.255.91.182 2001:7fa:0:1::ca28:a1b6 100 Gbps 2024-06-12 04:22:34

Private Peering Facilities

Country / Region Name City Website Updated

Whois Record

as-block AS37888 - AS38911

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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

aut-num AS38819

aut-num
as-name
HKCSL-AS-AP
descr
HKCSL GPRS NETWORK
country
HK
import
from AS2914 accept ANY
from AS4637 accept ANY
from AS4635 accept ANY
export
to AS2914 announce AS38819
to AS4637 announce AS38819
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

irt
IRT-HKCSL-HK
address
4/F, Lai Chi Kok Engineering II
4 Yuet Lun Street,
Lai Chi Kok
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

organisation
ORG-CL2-AP
org-name
CSL Limited
org-type
LIR
country
HK
address
3rd Floor
Lai Chi Kok Engineering Center II
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

role
ABUSE HKCSLHK
country
ZZ
address
4/F, Lai Chi Kok Engineering II
4 Yuet Lun Street,
Lai Chi Kok
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
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

person
IPBB Operation
address
3/F, Lai Chi Kok Engineering Center II
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
with providing detail information and times in HKT.
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
                4 Yuet Lun Street
                Hong Kong

person IPBB Planning

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
with providing detail information and times in HKT
The phone number is only for emergency contact
last-modified
2024-08-09T08:21:23Z
source
APNIC

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



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