ASN AS23978 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23978?

AS23978 is listed under Kowloon Canton Railway Corporation.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS23978 Kowloon Canton Railway Corporation

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Legacy Routes

Kowloon Canton Railway Corporation kcrc.com

HK 0 Routes

AS Data

AS23978

AS23978 – Kowloon Canton Railway Corporation

AS Number	23978
AS Name	KCRC-AS-AP
Organization	Kowloon Canton Railway Corporation(org-kcrc1-ap)
Country	HK
Website	kcrc.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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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 'AS23955 - AS24084'

as-block:       AS23955 - AS24084
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 'AS23978'

% Abuse contact for 'AS23978' is 'dnsadmin@mtr.com.hk'

aut-num:        AS23978
as-name:        KCRC-AS-AP
descr:          Kowloon Canton Railway Corporation
country:        HK
import:         from AS4515 action pref=100; accept ANY
import:         from AS4645 action pref=200; accept ANY
export:         to AS4515 announce AS23978
export:         to AS4645 announce AS23978
default:        to AS4515 action pref=100; networks ANY
org:            ORG-KCRC1-AP
admin-c:        AL13-AP
tech-c:         AL13-AP
abuse-c:        AK1304-AP
mnt-lower:      MAINT-HK-KCRC
mnt-routes:     MAINT-HK-KCRC
mnt-by:         APNIC-HM
mnt-irt:        IRT-KCRC-NON-HK
last-modified:  2021-01-18T03:49:33Z
source:         APNIC

irt:            IRT-KCRC-NON-HK
address:        1/F., KCRC House, 9 Lok King Street, Fo Tan, N.T., HONG KONG SAR
e-mail:         dnsadmin@mtr.com.hk
abuse-mailbox:  dnsadmin@mtr.com.hk
admin-c:        AL13-AP
tech-c:         AL13-AP
auth:           # Filtered
remarks:        dnsadmin@mtr.com.hk is invalid
mnt-by:         MAINT-HK-KCRC
last-modified:  2025-11-18T00:26:24Z
source:         APNIC

organisation:   ORG-KCRC1-AP
org-name:       Kowloon Canton Railway Corporation
org-type:       LIR
country:        HK
address:        MTR Tower I, Talford Plaza,
address:        Kowloon Bay
phone:          +852-29932403
fax-no:         +852-29937729
e-mail:         dnsadmin@mtr.com.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:56Z
source:         APNIC

role:           ABUSE KCRCNONHK
country:        ZZ
address:        1/F., KCRC House, 9 Lok King Street, Fo Tan, N.T., HONG KONG SAR
phone:          +000000000
e-mail:         dnsadmin@mtr.com.hk
admin-c:        AL13-AP
tech-c:         AL13-AP
nic-hdl:        AK1304-AP
remarks:        Generated from irt object IRT-KCRC-NON-HK
remarks:        dnsadmin@mtr.com.hk is invalid
abuse-mailbox:  dnsadmin@mtr.com.hk
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-07T13:07:46Z
source:         APNIC

person:         Alex Lau
nic-hdl:        AL13-AP
e-mail:         ayclau@kcrc.com
address:        1/F., KCRC House, 9 Lok King Street, Fo Tan, N.T., HONG KONG SAR
phone:          +852-2684-8370
fax-no:         +852-2601-5287
country:        HK
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:22Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)