ASN AS17990 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17990?

AS17990 is listed under Globalnet Communication Ltd.

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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AS17990 Globalnet Communication Ltd

ASN Lookup Tool

Globalnet Communication Ltd layer1hk.com

HK 14 Routes

AS Data

AS17990

AS17990 – Globalnet Communication Ltd

AS Number	17990
AS Name	GLOBALNETHK-AP
Organization	Globalnet Communication Ltd (org-gcl10-ap)
Country	HK
Website	layer1hk.com
Number of IPv4 Routes	13
Number of IPv6 Routes	1
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
202.70.160.0/24	AS17990	Globalnet Communication Ltd	Globalnet Communication Ltd	256
202.70.173.0/24	AS17990	Globalnet Communication Ltd	Globalnet Communication Ltd	256
202.70.168.0/24	AS17990	Globalnet Communication Ltd	Layer One Transit	256
118.103.246.0/24	AS17990	Globalnet Communication Ltd	Layer One Platform	256
202.70.172.0/24	AS17990	Globalnet Communication Ltd	Layer One Transit	256
2001:df0:44::/48	AS17990	Globalnet Communication Ltd	Globalnet Communication Ltd	~1×10²⁴
202.70.166.0/24	AS17990	Globalnet Communication Ltd	Globalnet Communication Ltd	256
202.70.163.0/24	AS17990	Globalnet Communication Ltd	Layer One Transit Pool SG	256
202.70.169.0/24	AS17990	Globalnet Communication Ltd	Globalnet Communication Ltd	256
202.70.161.0/24	AS17990	Globalnet Communication Ltd	Bridge Link Trading Ltd	256

Raw Whois Response

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

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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 'AS17990'

% Abuse contact for 'AS17990' is 'abuse@layer1hk.com'

aut-num:        AS17990
as-name:        GLOBALNETHK-AP
descr:          GLOBALNET COMMUNICATION LTD.
country:        HK
org:            ORG-GCL10-AP
import:         from AS4635 action pref=200; accept ANY
import:         from AS10103 action pref=100; accept ANY
import:         from AS3491 action pref=100; accept ANY
import:         from AS55649 action pref=100; accept ANY
export:         to AS4635 announce ANY
export:         to AS10103 announce ANY
export:         to AS3491 announce ANY
export:         to AS55649 announce ANY
admin-c:        KK196-AP
tech-c:         KK196-AP
abuse-c:        AG884-AP
notify:         abuse@layer1hk.com
mnt-lower:      MAINT-AP-GLOBALNET
mnt-routes:     MAINT-AP-GLOBALNET
mnt-by:         APNIC-HM
mnt-irt:        IRT-GLOBALNETCOM-HK
last-modified:  2024-11-21T09:39:25Z
source:         APNIC

irt:            IRT-GLOBALNETCOM-HK
address:        Room. 2607, 26/F., Apec Plaza,
address:        49 Hoi Yuen Road, Kwun Tong,
address:        Kowloon ,
address:        Hong Kong
e-mail:         support@layer1hk.com
abuse-mailbox:  abuse@layer1hk.com
admin-c:        GG1-AP
tech-c:         LL4-AP
auth:           # Filtered
remarks:        support@layer1hk.com was validated on 2025-10-14
remarks:        abuse@layer1hk.com was validated on 2025-10-14
mnt-by:         MAINT-AP-GLOBALNET
last-modified:  2025-11-18T00:26:46Z
source:         APNIC

organisation:   ORG-GCL10-AP
org-name:       Globalnet Communication Ltd
org-type:       LIR
country:        HK
address:        Room 2607,26/F.,Apec Plaza,
address:        49 Hoi Yuen Road
address:        Kwun Tong
phone:          +852-34286060
fax-no:         +852-23989731
e-mail:         kafachan@gmail.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:52Z
source:         APNIC

role:           ABUSE GLOBALNETCOMHK
country:        ZZ
address:        Room. 2607, 26/F., Apec Plaza,
address:        49 Hoi Yuen Road, Kwun Tong,
address:        Kowloon ,
address:        Hong Kong
phone:          +000000000
e-mail:         support@layer1hk.com
admin-c:        GG1-AP
tech-c:         LL4-AP
nic-hdl:        AG884-AP
remarks:        Generated from irt object IRT-GLOBALNETCOM-HK
remarks:        support@layer1hk.com was validated on 2025-10-14
remarks:        abuse@layer1hk.com was validated on 2025-10-14
abuse-mailbox:  abuse@layer1hk.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-14T13:29:02Z
source:         APNIC

person:         Kafa Chan Kafa Chan
address:        Room. 2607,26/F.,Apec Plaza,
address:        49 Hoi Yuen Road,Kwun Tong,Kowloon,Hong Kong.
country:        HK
phone:          +852-34286060
fax-no:         +852-23989731
e-mail:         kafachan@gmail.com
nic-hdl:        KK196-AP
mnt-by:         MAINT-AP-GLOBALNET
last-modified:  2014-01-06T09:42:31Z
source:         APNIC

% 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" : "AS17653 - AS18431",
    "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" : "2019-01-08",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS17990",
    "as_name" : "GLOBALNETHK-AP",
    "description" : [ "GLOBALNET COMMUNICATION LTD." ],
    "country" : "HK",
    "import" : [ "from AS4635 action pref=200; accept ANY", "from AS10103 action pref=100; accept ANY", "from AS3491 action pref=100; accept ANY", "from AS55649 action pref=100; accept ANY" ],
    "export" : [ "to AS4635 announce ANY", "to AS10103 announce ANY", "to AS3491 announce ANY", "to AS55649 announce ANY" ],
    "organization" : "ORG-GCL10-AP",
    "admin_contacts" : [ "KK196-AP" ],
    "tech_contacts" : [ "KK196-AP" ],
    "abuse_contacts" : [ "AG884-AP" ],
    "notify" : [ "abuse@layer1hk.com" ],
    "mnt_irt" : [ "IRT-GLOBALNETCOM-HK" ],
    "mnt_lower" : [ "MAINT-AP-GLOBALNET" ],
    "mnt_routes" : [ "MAINT-AP-GLOBALNET" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-11-21",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-GLOBALNETCOM-HK",
    "address" : [ "Room. 2607, 26/F., Apec Plaza,", "49 Hoi Yuen Road, Kwun Tong,", "Kowloon ,", "Hong Kong" ],
    "street" : "Hoi Yuen Road",
    "city" : "Kwun Tong",
    "state" : "KOWLOON",
    "country" : "HONG KONG",
    "email" : [ "support@layer1hk.com" ],
    "abuse_mailbox" : [ "abuse@layer1hk.com" ],
    "admin_contacts" : [ "GG1-AP" ],
    "tech_contacts" : [ "LL4-AP" ],
    "remarks" : [ "support@layer1hk.com was validated on 2025-10-14", "abuse@layer1hk.com was validated on 2025-10-14" ],
    "mnt_by" : [ "MAINT-AP-GLOBALNET" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-GCL10-AP",
    "name" : "Globalnet Communication Ltd",
    "type" : "LIR",
    "address" : [ "Room 2607,26/F.,Apec Plaza,", "49 Hoi Yuen Road", "Kwun Tong" ],
    "street" : "Hoi Yuen Road",
    "city" : "Kwun",
    "state" : "TONG",
    "country" : [ "HK" ],
    "email" : [ "kafachan@gmail.com" ],
    "phone" : [ "+852-34286060" ],
    "fax_no" : [ "+852-23989731" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "KK196-AP",
    "name" : "Kafa Chan Kafa Chan",
    "address" : [ "Room. 2607,26/F.,Apec Plaza,", "49 Hoi Yuen Road,Kwun Tong,Kowloon,Hong Kong." ],
    "street" : "Hoi Yuen Road",
    "city" : "Kwun Tong",
    "state" : "KOWLOON",
    "country" : "HK",
    "email" : [ "kafachan@gmail.com" ],
    "phone" : [ "+852-34286060" ],
    "fax_no" : [ "+852-23989731" ],
    "mnt_by" : [ "MAINT-AP-GLOBALNET" ],
    "date_updated" : "2014-01-06",
    "source" : "APNIC",
    "addressCountry" : "HONG KONG."
  } ],
  "technical_contacts" : [ {
    "handle" : "KK196-AP",
    "name" : "Kafa Chan Kafa Chan",
    "address" : [ "Room. 2607,26/F.,Apec Plaza,", "49 Hoi Yuen Road,Kwun Tong,Kowloon,Hong Kong." ],
    "street" : "Hoi Yuen Road",
    "city" : "Kwun Tong",
    "state" : "KOWLOON",
    "country" : "HK",
    "email" : [ "kafachan@gmail.com" ],
    "phone" : [ "+852-34286060" ],
    "fax_no" : [ "+852-23989731" ],
    "mnt_by" : [ "MAINT-AP-GLOBALNET" ],
    "date_updated" : "2014-01-06",
    "source" : "APNIC",
    "addressCountry" : "HONG KONG."
  } ],
  "abuse_contacts" : [ {
    "handle" : "AG884-AP",
    "name" : "ABUSE GLOBALNETCOMHK",
    "address" : [ "Room. 2607, 26/F., Apec Plaza,", "49 Hoi Yuen Road, Kwun Tong,", "Kowloon ,", "Hong Kong" ],
    "street" : "Hoi Yuen Road",
    "city" : "Kwun Tong",
    "state" : "KOWLOON",
    "country" : "ZZ",
    "email" : [ "support@layer1hk.com" ],
    "abuse_mailbox" : [ "abuse@layer1hk.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "GG1-AP" ],
    "tech_contacts" : [ "LL4-AP" ],
    "remarks" : [ "Generated from irt object IRT-GLOBALNETCOM-HK", "support@layer1hk.com was validated on 2025-10-14", "abuse@layer1hk.com was validated on 2025-10-14" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-10-14",
    "source" : "APNIC",
    "addressCountry" : "HONG KONG"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS55649	Hong Kong Five Towns Development Co. Ltd.	HK
AS55649	Flat C, 16/F, Skyline Tower,	HK
AS36236	NetActuate, Inc	US
AS6939	Hurricane Electric LLC	US
AS3491	PCCW Global HK Limited	HK
AS10103	HK Broadband Network Ltd.	HK
AS4635	The Hong Kong Internet Exchange Limited	HK
AS49544	i3D.net B.V	NL