What is ASN AS136758?

ASN AS136758 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS136758?

AS136758 is listed under HONGKONG CENTURY ONE LIMITED.

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?

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AS136758 HONGKONG CENTURY ONE LIMITED

HONGKONG CENTURY ONE LIMITED centuryone.hk

HK 7 Routes

AS Data

AS136758

AS136758 – HONGKONG CENTURY ONE LIMITED

AS Number	136758
AS Name	HONGKONG10-AS-AP
Organization	HONGKONG CENTURY ONE LIMITED(org-hcl13-ap)
Country	HK
Website	centuryone.hk
Number of IPv4 Routes	6
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.95.64.0/24	AS136758	HONGKONG CENTURY ONE LIMITED	HONGKONG CENTURY ONE LIMITED	256
2001:df1:a100::/48	AS136758	HONGKONG CENTURY ONE LIMITED	ShenZhen Century One Limited	~1×10²⁴
103.95.66.0/24	AS136758	HONGKONG CENTURY ONE LIMITED	HONGKONG CENTURY ONE LIMITED	256
103.95.67.0/24	AS136758	HONGKONG CENTURY ONE LIMITED	HONGKONG CENTURY ONE LIMITED	256
45.123.194.0/24	AS136758	HONGKONG CENTURY ONE LIMITED	JKNET TECH GROUP LIMITED	256
103.95.65.0/24	AS136758	HONGKONG CENTURY ONE LIMITED	HONGKONG CENTURY ONE LIMITED	256
45.123.193.0/24	AS136758	HONGKONG CENTURY ONE LIMITED	JKNET TECH GROUP LIMITED	256

Raw Whois Response

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

% Information related to 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
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:  2016-05-26T03:42:38Z
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 'AS136758'

% Abuse contact for 'AS136758' is 'noc@centuryone.hk'

aut-num:        AS136758
as-name:        HONGKONG10-AS-AP
descr:          HONGKONG CENTURY-ONE LIMITED
country:        HK
org:            ORG-HCL13-AP
export:         to AS6939 announce AS136758:AS-ALL
admin-c:        HCLA8-AP
tech-c:         HCLA8-AP
abuse-c:        AH1429-AP
mnt-lower:      MAINT-HONGKONG10-HK
mnt-routes:     MAINT-HONGKONG10-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-HONGKONG10-HK
last-modified:  2023-02-23T13:20:24Z
source:         APNIC

irt:            IRT-HONGKONG10-HK
address:        ROOM 517, NEW CITY CENTRE, 2 LEI YUE MUN ROAD, KWUN TONG, K, HONGKONG HONGKONG 999077
e-mail:         noc@centuryone.hk
abuse-mailbox:  noc@centuryone.hk
admin-c:        HCLA8-AP
tech-c:         HCLA8-AP
auth:           # Filtered
remarks:        noc@centuryone.hk was validated on 2025-11-27
mnt-by:         MAINT-HONGKONG10-HK
last-modified:  2025-11-27T02:02:32Z
source:         APNIC

organisation:   ORG-HCL13-AP
org-name:       HONGKONG CENTURY-ONE LIMITED
org-type:       LIR
country:        HK
address:        ROOM 517, NEW CITY CENTRE, 2 LEI YUE MUN ROAD, KWUN TONG, K
phone:          +8618128864221
e-mail:         noc@centuryone.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:19:05Z
source:         APNIC

role:           ABUSE HONGKONG10HK
country:        ZZ
address:        ROOM 517, NEW CITY CENTRE, 2 LEI YUE MUN ROAD, KWUN TONG, K, HONGKONG HONGKONG 999077
phone:          +000000000
e-mail:         noc@centuryone.hk
admin-c:        HCLA8-AP
tech-c:         HCLA8-AP
nic-hdl:        AH1429-AP
remarks:        Generated from irt object IRT-HONGKONG10-HK
remarks:        noc@centuryone.hk was validated on 2025-11-27
abuse-mailbox:  noc@centuryone.hk
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-27T02:03:02Z
source:         APNIC

role:           HONGKONG CENTURY-ONE LIMITED administrator
address:        ROOM 517,  NEW CITY CENTRE, 2 LEI YUE MUN ROAD, KWUN TONG, K, HONGKONG HONGKONG 999077
country:        HK
phone:          +8618128864221
e-mail:         noc@centuryone.hk
admin-c:        HCLA8-AP
tech-c:         HCLA8-AP
nic-hdl:        HCLA8-AP
mnt-by:         MAINT-HONGKONG10-HK
last-modified:  2023-01-30T04:30:30Z
source:         APNIC

% Information related to 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-20T07:15:14Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

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

Parsed Whois Response

Peers

AS Number	Description	Country
AS132585	PCCW IMS Ltd PCCW Business Internet Access	HK
AS132585	SkyExchange Internet Access	HK
AS6939	Hurricane Electric LLC	US
AS398704	STACKS INC	US

Upstreams

AS Number	Description	Country
AS132585	PCCW IMS Ltd PCCW Business Internet Access	HK
AS398704	STACKS INC	US

Contacts

Email Contacts

hostmaster@idnic.net noc@centuryone.hk

Abuse Contacts

noc@centuryone.hk

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