What is ASN AS138542?

ASN AS138542 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS138542?

AS138542 is listed under ZT Information Network Co., 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?

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.

AS138542 ZT Information Network Co., Limited

ASN Lookup Tool

ZT Information Network Co., Limited apjii.or.id

HK 1 Routes

AS Data

AS138542

AS138542 – ZT Information Network Co., Limited

AS Number	138542
AS Name	ZTINFO-AS-HK
Organization	ZT Information Network Co., Limited(org-zinc2-ap)
Country	HK
Website	apjii.or.id
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS138542 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
79.109.240.0/21	AS138542	ZT Information Network Co., Limited	ZT Information Network Co., Limited	2048

Raw Whois Response

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

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
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:  2017-12-08T06:45:58Z
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 'AS138542'

% Abuse contact for 'AS138542' is 'support@hkbeecloudsystem.com'

aut-num:        AS138542
as-name:        ZTINFO-AS-HK
descr:          ZT Information Network Co., Limited
descr:          Flat B, 5/F, Wing Cheong Comm Bldg, 19-25 Jervois St, Hong Kong
country:        HK
org:            ORG-ZINC2-AP
sponsoring-org: ORG-HKBS2-AP
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
mnt-lower:      MAINT-HKBCS-HK
mnt-routes:     MAINT-HKBCS-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-HKBCS-HK
abuse-c:        AH1166-AP
last-modified:  2026-01-26T07:44:53Z
source:         APNIC

irt:            IRT-HKBCS-HK
address:        No.9 Lai Yip Street, Kwun Tong
e-mail:         support@hkbeecloudsystem.com
abuse-mailbox:  support@hkbeecloudsystem.com
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
auth:           # Filtered
remarks:        support@hkbeecloudsystem.com was validated on 2026-02-24
mnt-by:         MAINT-HKBCS-HK
last-modified:  2026-02-24T13:23:13Z
source:         APNIC

organisation:   ORG-ZINC2-AP
org-name:       ZT Information Network Co., Limited
org-type:       OTHER
address:        Flat B, 5/F, Wing Cheong Comm Bldg, 19-25 Jervois St, Hong Kong
country:        HK
phone:          +852 61715882
e-mail:         garytam@hkbeecloudsystem.com
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-10-10T03:21:34Z
source:         APNIC

role:           ABUSE HKBCSHK
country:        ZZ
address:        No.9 Lai Yip Street, Kwun Tong
phone:          +000000000
e-mail:         support@hkbeecloudsystem.com
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
nic-hdl:        AH1166-AP
remarks:        Generated from irt object IRT-HKBCS-HK
remarks:        support@hkbeecloudsystem.com was validated on 2026-02-24
abuse-mailbox:  support@hkbeecloudsystem.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-24T13:23:29Z
source:         APNIC

role:           Hong Kong Beecloud System Technology Services Limi
address:        No.9 Lai Yip Street, Kwun Tong
country:        HK
phone:          +852-62975549
e-mail:         support@hkbeecloudsystem.com
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
nic-hdl:        HKBS1-AP
mnt-by:         MAINT-HKBCS-HK
last-modified:  2024-08-16T04:33:39Z
source:         APNIC

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T12:29:14Z
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

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS137530 - AS138553",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2017-12-08",
    "source" : "APNIC"
  }, {
    "as_block" : "AS137530 - AS138553",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-16",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS138542",
    "as_name" : "ZTINFO-AS-HK",
    "description" : [ "ZT Information Network Co., Limited", "Flat B, 5/F, Wing Cheong Comm Bldg, 19-25 Jervois St, Hong Kong" ],
    "country" : "HK",
    "organization" : "ORG-ZINC2-AP",
    "sponsoring_organization" : "ORG-HKBS2-AP",
    "admin_contacts" : [ "HKBS1-AP" ],
    "tech_contacts" : [ "HKBS1-AP" ],
    "abuse_contacts" : [ "AH1166-AP" ],
    "mnt_irt" : [ "IRT-HKBCS-HK" ],
    "mnt_lower" : [ "MAINT-HKBCS-HK" ],
    "mnt_routes" : [ "MAINT-HKBCS-HK" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-01-26",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-HKBCS-HK",
    "address" : [ "No.9 Lai Yip Street, Kwun Tong" ],
    "email" : [ "support@hkbeecloudsystem.com" ],
    "abuse_mailbox" : [ "support@hkbeecloudsystem.com" ],
    "admin_contacts" : [ "HKBS1-AP" ],
    "tech_contacts" : [ "HKBS1-AP" ],
    "remarks" : [ "support@hkbeecloudsystem.com was validated on 2026-02-24" ],
    "mnt_by" : [ "MAINT-HKBCS-HK" ],
    "date_updated" : "2026-02-24",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-ZINC2-AP",
    "name" : "ZT Information Network Co., Limited",
    "type" : "OTHER",
    "address" : [ "Flat B, 5/F, Wing Cheong Comm Bldg, 19-25 Jervois St, Hong Kong" ],
    "street" : "Jervois St",
    "city" : "Hong",
    "country" : [ "HK" ],
    "email" : [ "garytam@hkbeecloudsystem.com" ],
    "phone" : [ "+852 61715882" ],
    "admin_contacts" : [ "HKBS1-AP" ],
    "tech_contacts" : [ "HKBS1-AP" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2025-10-10",
    "source" : "APNIC",
    "addressCountry" : "KONG"
  },
  "administrative_contacts" : [ {
    "handle" : "HKBS1-AP",
    "name" : "Hong Kong Beecloud System Technology Services Limi",
    "address" : [ "No.9 Lai Yip Street, Kwun Tong" ],
    "country" : "HK",
    "email" : [ "support@hkbeecloudsystem.com" ],
    "phone" : [ "+852-62975549" ],
    "admin_contacts" : [ "HKBS1-AP" ],
    "tech_contacts" : [ "HKBS1-AP" ],
    "mnt_by" : [ "MAINT-HKBCS-HK" ],
    "date_updated" : "2024-08-16",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "HKBS1-AP",
    "name" : "Hong Kong Beecloud System Technology Services Limi",
    "address" : [ "No.9 Lai Yip Street, Kwun Tong" ],
    "country" : "HK",
    "email" : [ "support@hkbeecloudsystem.com" ],
    "phone" : [ "+852-62975549" ],
    "admin_contacts" : [ "HKBS1-AP" ],
    "tech_contacts" : [ "HKBS1-AP" ],
    "mnt_by" : [ "MAINT-HKBCS-HK" ],
    "date_updated" : "2024-08-16",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AH1166-AP",
    "name" : "ABUSE HKBCSHK",
    "address" : [ "No.9 Lai Yip Street, Kwun Tong" ],
    "country" : "ZZ",
    "email" : [ "support@hkbeecloudsystem.com" ],
    "abuse_mailbox" : [ "support@hkbeecloudsystem.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "HKBS1-AP" ],
    "tech_contacts" : [ "HKBS1-AP" ],
    "remarks" : [ "Generated from irt object IRT-HKBCS-HK", "support@hkbeecloudsystem.com was validated on 2026-02-24" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-02-24",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS140570	Hong Kong Beecloud System Technology Services Limited	HK
AS137983	TIANFENG (HONG KONG) COMMUNICATIONS LIMITED	HK
AS9002	RETN Limited	GB
AS137551	REDLINK TELECOM Co., Ltd	KH
AS57304	JSC RetnNet	RU
AS57304	JSC "RetnNet"	RU
AS137983	TIANFENG HONG KONG COMMUNICATIONS LIMITED	HK

Upstreams

AS Number	Description	Country
AS140570	Hong Kong Beecloud System Technology Services Limited	HK
AS9002	RETN Limited	GB
AS57304	JSC RetnNet	RU
AS137983	TIANFENG HONG KONG COMMUNICATIONS LIMITED	HK