ASN AS35820 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS35820?

AS35820 is listed under G3S Technologies 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.

AS35820 G3S Technologies Co., Limited

ASN Lookup Tool

G3S Technologies Co., Limited g3s.com.hk

HK 9 Routes

AS Data

AS35820

AS35820 – G3S Technologies Co., Limited

AS Number	35820
AS Name	G3S-AS-AP
Organization	G3S Technologies Co., Limited (org-gtcl3-ap)
Country	HK
Website	g3s.com.hk
Number of IPv4 Routes	8
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	APNIC
Date Allocated	2005-11-07

ASN Intelligence API for production workflows

Use ASN data for AS35820 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.135.140.0/24	AS35820	G3S Technologies Co., Limited	G3S Technologies Co., Limited	256
103.140.71.0/24	AS35820	G3S Technologies Co., Limited	G3S Technologies Co., Limited	256
2404:7f40::/32	AS35820	G3S Technologies Co., Limited	G3S Technologies Co., Limited	~79×10²⁷
103.135.141.0/24	AS35820	G3S Technologies Co., Limited	G3S Technologies Co., Limited	256
103.135.142.0/24	AS35820	G3S Technologies Co., Limited	G3S Technologies Co., Limited	256
103.140.70.0/24	AS35820	G3S Technologies Co., Limited	G3S Technologies Co., Limited	256
103.155.248.0/24	AS35820	G3S Technologies Co., Limited	HIFAST	256
103.135.143.0/24	AS35820	G3S Technologies Co., Limited	G3S	256
103.155.249.0/24	AS35820	G3S Technologies Co., Limited	HIFAST	256

Raw Whois Response

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

% Information related to 'AS35820'

% Abuse contact for 'AS35820' is 'noc@g3s.com.hk'

aut-num:        AS35820
as-name:        G3S-AS-AP
descr:          G3S Technologies Co., Limited
country:        HK
org:            ORG-GTCL3-AP
admin-c:        GTCL3-AP
tech-c:         GTCL3-AP
abuse-c:        AG777-AP
mnt-routes:     MAINT-G3S-HK
mnt-lower:      MAINT-G3S-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-G3S-HK
last-modified:  2024-11-27T08:09:32Z
source:         APNIC

irt:            IRT-G3S-HK
address:        FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL
e-mail:         noc@g3s.com.hk
abuse-mailbox:  noc@g3s.com.hk
admin-c:        GTCL3-AP
tech-c:         GTCL3-AP
auth:           # Filtered
remarks:        noc@g3s.com.hk was validated on 2026-05-27
mnt-by:         MAINT-G3S-HK
last-modified:  2026-05-27T01:49:58Z
source:         APNIC

organisation:   ORG-GTCL3-AP
org-name:       G3S Technologies Co., Limited
org-type:       LIR
country:        HK
address:        FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL
phone:          +85238929906
e-mail:         noc@g3s.com.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-11-28T13:02:40Z
source:         APNIC

role:           ABUSE G3SHK
country:        ZZ
address:        FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL
phone:          +000000000
e-mail:         noc@g3s.com.hk
admin-c:        GTCL3-AP
tech-c:         GTCL3-AP
nic-hdl:        AG777-AP
remarks:        Generated from irt object IRT-G3S-HK
remarks:        noc@g3s.com.hk was validated on 2026-05-27
abuse-mailbox:  noc@g3s.com.hk
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-27T01:50:06Z
source:         APNIC

role:           G3S Technologies Co Limited administrator
address:        FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL
country:        HK
phone:          +85238929906
e-mail:         noc@g3s.com.hk
admin-c:        GTCL3-AP
tech-c:         GTCL3-AP
nic-hdl:        GTCL3-AP
mnt-by:         MAINT-G3S-HK
last-modified:  2024-11-29T08:27:43Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS35820",
    "as_name" : "G3S-AS-AP",
    "description" : [ "G3S Technologies Co., Limited" ],
    "country" : "HK",
    "organization" : "ORG-GTCL3-AP",
    "admin_contacts" : [ "GTCL3-AP" ],
    "tech_contacts" : [ "GTCL3-AP" ],
    "abuse_contacts" : [ "AG777-AP" ],
    "mnt_irt" : [ "IRT-G3S-HK" ],
    "mnt_lower" : [ "MAINT-G3S-HK" ],
    "mnt_routes" : [ "MAINT-G3S-HK" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-11-27",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-G3S-HK",
    "address" : [ "FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL" ],
    "street" : "Lei Yue Mun Road",
    "city" : "Tong",
    "state" : "KL",
    "email" : [ "noc@g3s.com.hk" ],
    "abuse_mailbox" : [ "noc@g3s.com.hk" ],
    "admin_contacts" : [ "GTCL3-AP" ],
    "tech_contacts" : [ "GTCL3-AP" ],
    "remarks" : [ "noc@g3s.com.hk was validated on 2026-05-27" ],
    "mnt_by" : [ "MAINT-G3S-HK" ],
    "date_updated" : "2026-05-27",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-GTCL3-AP",
    "name" : "G3S Technologies Co., Limited",
    "type" : "LIR",
    "address" : [ "FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL" ],
    "street" : "Lei Yue Mun Road",
    "city" : "Tong",
    "state" : "KL",
    "country" : [ "HK" ],
    "email" : [ "noc@g3s.com.hk" ],
    "phone" : [ "+85238929906" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-11-28",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "GTCL3-AP",
    "name" : "G3S Technologies Co Limited administrator",
    "address" : [ "FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL" ],
    "street" : "Lei Yue Mun Road",
    "city" : "Tong",
    "state" : "KL",
    "country" : "HK",
    "email" : [ "noc@g3s.com.hk" ],
    "phone" : [ "+85238929906" ],
    "admin_contacts" : [ "GTCL3-AP" ],
    "tech_contacts" : [ "GTCL3-AP" ],
    "mnt_by" : [ "MAINT-G3S-HK" ],
    "date_updated" : "2024-11-29",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "GTCL3-AP",
    "name" : "G3S Technologies Co Limited administrator",
    "address" : [ "FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL" ],
    "street" : "Lei Yue Mun Road",
    "city" : "Tong",
    "state" : "KL",
    "country" : "HK",
    "email" : [ "noc@g3s.com.hk" ],
    "phone" : [ "+85238929906" ],
    "admin_contacts" : [ "GTCL3-AP" ],
    "tech_contacts" : [ "GTCL3-AP" ],
    "mnt_by" : [ "MAINT-G3S-HK" ],
    "date_updated" : "2024-11-29",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AG777-AP",
    "name" : "ABUSE G3SHK",
    "address" : [ "FLAT/RM 517 NEW CITY CENTRE 2 LEI YUE MUN ROAD KWUN TONG KL" ],
    "street" : "Lei Yue Mun Road",
    "city" : "Tong",
    "state" : "KL",
    "country" : "ZZ",
    "email" : [ "noc@g3s.com.hk" ],
    "abuse_mailbox" : [ "noc@g3s.com.hk" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "GTCL3-AP" ],
    "tech_contacts" : [ "GTCL3-AP" ],
    "remarks" : [ "Generated from irt object IRT-G3S-HK", "noc@g3s.com.hk was validated on 2026-05-27" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-05-27",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS9002	RETN Limited	GB
AS3491	PCCW Global HK Limited	HK
AS2914	NTT America, Inc.	US

Upstreams

AS Number	Description	Country
AS9002	RETN Limited	GB
AS3491	PCCW Global HK Limited	HK
AS2914	NTT America, Inc.	US

Contacts

Email Contacts

noc@g3s.com.hk

Abuse Contacts