ASN AS10127 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10127?

AS10127 is listed under CLSA 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?

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.

AS10127 CLSA Ltd | IPGeolocation.io

ASN Lookup Tool

CLSA Ltd clsa.com

HK 4 Routes

AS Data

AS10127

AS10127 – CLSA Ltd

AS Number	10127
AS Name	CLSA-AS-AP
Organization	CLSA Ltd (org-cl59-ap)
Country	HK
Website	clsa.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS10127 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
202.124.31.0/24	AS10127	CLSA Ltd	CLSA Ltd	256
202.124.30.0/24	AS10127	CLSA Ltd	CLSA Ltd	256
202.124.29.0/24	AS10127	CLSA Ltd	CLSA Ltd	256
202.124.28.0/24	AS10127	CLSA Ltd	CLSA Ltd	256

Raw Whois Response

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

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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 'AS10127'

% Abuse contacts for 'AS10127' are 'robert.ogrady@clsa.com', 'peter.lam@clsa.com', 'irvine.li@clsa.com'

aut-num:        AS10127
as-name:        CLSA-AS-AP
descr:          CLSA Ltd
descr:          Stock Broking
descr:          QUEENSWAY, Hong Kong
country:        HK
org:            ORG-CL59-AP
admin-c:        TW467-AP
tech-c:         TW467-AP
abuse-c:        AC1749-AP
notify:         ming.wong@clsa.com
mnt-lower:      MAINT-HK-CLSA
mnt-routes:     MAINT-HK-CLSA
mnt-by:         APNIC-HM
mnt-irt:        IRT-CLSA-HK
last-modified:  2020-06-11T13:10:07Z
source:         APNIC

irt:            IRT-CLSA-HK
address:        18/F, One Pacific Place, 88 Queensway, HK
e-mail:         robert.ogrady@clsa.com
e-mail:         peter.lam@clsa.com
e-mail:         irvine.li@clsa.com
abuse-mailbox:  robert.ogrady@clsa.com
abuse-mailbox:  peter.lam@clsa.com
abuse-mailbox:  irvine.li@clsa.com
admin-c:        TW467-AP
tech-c:         TW467-AP
auth:           # Filtered
remarks:        irvine.li@clsa.com is invalid
remarks:        robert.ogrady@clsa.com was validated on 2025-10-27
remarks:        peter.lam@clsa.com was validated on 2026-03-04
mnt-by:         MAINT-HK-CLSA
last-modified:  2026-03-04T01:25:23Z
source:         APNIC

organisation:   ORG-CL59-AP
org-name:       CLSA Ltd
org-type:       LIR
country:        HK
address:        18/F, One Pacific Place
address:        88 Queensway
phone:          +852-2600-8888
fax-no:         +852-2501-0334
e-mail:         it.support.cisco.network@clsa.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:19Z
source:         APNIC

role:           ABUSE CLSAHK
country:        ZZ
address:        18/F, One Pacific Place, 88 Queensway, HK
phone:          +000000000
e-mail:         robert.ogrady@clsa.com
e-mail:         peter.lam@clsa.com
e-mail:         irvine.li@clsa.com
admin-c:        TW467-AP
tech-c:         TW467-AP
nic-hdl:        AC1749-AP
remarks:        Generated from irt object IRT-CLSA-HK
remarks:        irvine.li@clsa.com is invalid
remarks:        robert.ogrady@clsa.com was validated on 2025-10-27
remarks:        peter.lam@clsa.com was validated on 2026-03-04
abuse-mailbox:  robert.ogrady@clsa.com
abuse-mailbox:  peter.lam@clsa.com
abuse-mailbox:  irvine.li@clsa.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-04T01:25:39Z
source:         APNIC

person:         TAK MING WONG
nic-hdl:        TW467-AP
e-mail:         ming.wong@clsa.com
address:        18/F, One Pacific Place, 88 Queensway, HK
phone:          +852 2600-8323
fax-no:         +852 2501-0334
country:        HK
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:49:45Z
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" : "AS9249 - AS10239",
    "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" : "2022-09-22",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS10127",
    "as_name" : "CLSA-AS-AP",
    "description" : [ "CLSA Ltd", "Stock Broking", "QUEENSWAY, Hong Kong" ],
    "country" : "HK",
    "organization" : "ORG-CL59-AP",
    "admin_contacts" : [ "TW467-AP" ],
    "tech_contacts" : [ "TW467-AP" ],
    "abuse_contacts" : [ "AC1749-AP" ],
    "notify" : [ "ming.wong@clsa.com" ],
    "mnt_irt" : [ "IRT-CLSA-HK" ],
    "mnt_lower" : [ "MAINT-HK-CLSA" ],
    "mnt_routes" : [ "MAINT-HK-CLSA" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-06-11",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CLSA-HK",
    "address" : [ "18/F, One Pacific Place, 88 Queensway, HK" ],
    "street" : "Queensway Hk",
    "email" : [ "robert.ogrady@clsa.com", "peter.lam@clsa.com", "irvine.li@clsa.com" ],
    "abuse_mailbox" : [ "robert.ogrady@clsa.com", "peter.lam@clsa.com", "irvine.li@clsa.com" ],
    "admin_contacts" : [ "TW467-AP" ],
    "tech_contacts" : [ "TW467-AP" ],
    "remarks" : [ "irvine.li@clsa.com is invalid", "robert.ogrady@clsa.com was validated on 2025-10-27", "peter.lam@clsa.com was validated on 2026-03-04" ],
    "mnt_by" : [ "MAINT-HK-CLSA" ],
    "date_updated" : "2026-03-04",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CL59-AP",
    "name" : "CLSA Ltd",
    "type" : "LIR",
    "address" : [ "18/F, One Pacific Place", "88 Queensway" ],
    "street" : "Queensway",
    "country" : [ "HK" ],
    "email" : [ "it.support.cisco.network@clsa.com" ],
    "phone" : [ "+852-2600-8888" ],
    "fax_no" : [ "+852-2501-0334" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TW467-AP",
    "name" : "TAK MING WONG",
    "address" : [ "18/F, One Pacific Place, 88 Queensway, HK" ],
    "street" : "Queensway Hk",
    "country" : "HK",
    "email" : [ "ming.wong@clsa.com" ],
    "phone" : [ "+852 2600-8323" ],
    "fax_no" : [ "+852 2501-0334" ],
    "mnt_by" : [ "MAINT-NEW" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "TW467-AP",
    "name" : "TAK MING WONG",
    "address" : [ "18/F, One Pacific Place, 88 Queensway, HK" ],
    "street" : "Queensway Hk",
    "country" : "HK",
    "email" : [ "ming.wong@clsa.com" ],
    "phone" : [ "+852 2600-8323" ],
    "fax_no" : [ "+852 2501-0334" ],
    "mnt_by" : [ "MAINT-NEW" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1749-AP",
    "name" : "ABUSE CLSAHK",
    "address" : [ "18/F, One Pacific Place, 88 Queensway, HK" ],
    "street" : "Queensway Hk",
    "country" : "ZZ",
    "email" : [ "robert.ogrady@clsa.com", "peter.lam@clsa.com", "irvine.li@clsa.com" ],
    "abuse_mailbox" : [ "robert.ogrady@clsa.com", "peter.lam@clsa.com", "irvine.li@clsa.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TW467-AP" ],
    "tech_contacts" : [ "TW467-AP" ],
    "remarks" : [ "Generated from irt object IRT-CLSA-HK", "irvine.li@clsa.com is invalid", "robert.ogrady@clsa.com was validated on 2025-10-27", "peter.lam@clsa.com was validated on 2026-03-04" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-04",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS3758	SingNet Pte Ltd	SG
AS13335	Cloudflare, Inc.	US
AS9293	NTT Com Asia Limited	HK
AS4637	Telstra International Limited	HK
AS4637	Telstra Global	HK
AS3758	SingNet	SG