ASN AS45561 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS45561?

AS45561 is listed under M800 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.

AS45561 M800 Limited | IPGeolocation.io

ASN Lookup Tool

M800 Limited m800.com

HK 7 Routes

AS Data

AS45561

AS45561 – M800 Limited

AS Number	45561
AS Name	M800-HK-AP
Organization	M800 Limited (org-ml22-ap)
Country	HK
Website	m800.com
Number of IPv4 Routes	6
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS45561 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.170.49.0/24	AS45561	M800 Limited	M800 Limited	256
202.94.87.0/24	AS45561	M800 Limited	M800 Limited	256
103.11.72.0/23	AS45561	M800 Limited	M800 Limited	512
2001:df4:7000::/48	AS45561	M800 Limited	M800 Limited	~1×10²⁴
103.251.199.0/24	AS45561	M800 Limited	M800 Limited	256
103.11.73.0/24	AS45561	M800 Limited	M800 Limited	256
103.11.72.0/24	AS45561	M800 Limited	M800 Limited	256

Raw Whois Response

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

% Information related to 'AS45056 - AS46079'

as-block:       AS45056 - AS46079
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:  2009-09-29T05:48:11Z
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 'AS45561'

% Abuse contact for 'AS45561' is 'chmak@m800.com'

aut-num:        AS45561
as-name:        M800-HK-AP
descr:          21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong
country:        HK
org:            ORG-ML22-AP
admin-c:        MLna1-AP
tech-c:         MLna1-AP
abuse-c:        AM2449-AP
mnt-lower:      MAINT-M800-HK
mnt-routes:     MAINT-M800-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-M800-HK
last-modified:  2020-06-03T13:04:37Z
source:         APNIC

irt:            IRT-M800-HK
address:        21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong
e-mail:         chmak@m800.com
abuse-mailbox:  chmak@m800.com
admin-c:        MLna1-AP
tech-c:         MLna1-AP
auth:           # Filtered
remarks:        chmak@m800.com was validated on 2026-01-13
mnt-by:         MAINT-M800-HK
last-modified:  2026-01-13T13:09:30Z
source:         APNIC

organisation:   ORG-ML22-AP
org-name:       M800 Limited
org-type:       LIR
country:        HK
address:        21/F Tower 1 Enterprise Square
address:        9 Sheung Yuet Road
address:        Kowloon Bay
phone:          +852-34720817
fax-no:         +852-27354884
e-mail:         chmak@m800.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:28Z
source:         APNIC

role:           ABUSE M800HK
country:        ZZ
address:        21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong
phone:          +000000000
e-mail:         chmak@m800.com
admin-c:        MLna1-AP
tech-c:         MLna1-AP
nic-hdl:        AM2449-AP
remarks:        Generated from irt object IRT-M800-HK
remarks:        chmak@m800.com was validated on 2026-01-13
abuse-mailbox:  chmak@m800.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-13T13:10:08Z
source:         APNIC

role:           M800 LIMITED - network administrator
address:        21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong
country:        HK
phone:          +852-34720899
fax-no:         +852-27354884
e-mail:         noc@m800.com
admin-c:        MLna1-AP
tech-c:         MLna1-AP
nic-hdl:        MLna1-AP
mnt-by:         MAINT-M800-HK
last-modified:  2015-08-18T01:37:44Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-JP1)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS45056 - AS46079",
    "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" : "2009-09-29",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS45561",
    "as_name" : "M800-HK-AP",
    "description" : [ "21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong" ],
    "country" : "HK",
    "organization" : "ORG-ML22-AP",
    "admin_contacts" : [ "MLna1-AP" ],
    "tech_contacts" : [ "MLna1-AP" ],
    "abuse_contacts" : [ "AM2449-AP" ],
    "mnt_irt" : [ "IRT-M800-HK" ],
    "mnt_lower" : [ "MAINT-M800-HK" ],
    "mnt_routes" : [ "MAINT-M800-HK" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-06-03",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-M800-HK",
    "address" : [ "21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong" ],
    "street" : "Sheung Yuet Road",
    "city" : "Hong",
    "country" : "KONG",
    "email" : [ "chmak@m800.com" ],
    "abuse_mailbox" : [ "chmak@m800.com" ],
    "admin_contacts" : [ "MLna1-AP" ],
    "tech_contacts" : [ "MLna1-AP" ],
    "remarks" : [ "chmak@m800.com was validated on 2026-01-13" ],
    "mnt_by" : [ "MAINT-M800-HK" ],
    "date_updated" : "2026-01-13",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-ML22-AP",
    "name" : "M800 Limited",
    "type" : "LIR",
    "address" : [ "21/F Tower 1 Enterprise Square", "9 Sheung Yuet Road", "Kowloon Bay" ],
    "street" : "Sheung Yuet Road",
    "country" : [ "HK" ],
    "email" : [ "chmak@m800.com" ],
    "phone" : [ "+852-34720817" ],
    "fax_no" : [ "+852-27354884" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "MLna1-AP",
    "name" : "M800 LIMITED - network administrator",
    "address" : [ "21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong" ],
    "street" : "Sheung Yuet Road",
    "city" : "Hong",
    "country" : "HK",
    "email" : [ "noc@m800.com" ],
    "phone" : [ "+852-34720899" ],
    "fax_no" : [ "+852-27354884" ],
    "admin_contacts" : [ "MLna1-AP" ],
    "tech_contacts" : [ "MLna1-AP" ],
    "mnt_by" : [ "MAINT-M800-HK" ],
    "date_updated" : "2015-08-18",
    "source" : "APNIC",
    "addressCountry" : "KONG"
  } ],
  "technical_contacts" : [ {
    "handle" : "MLna1-AP",
    "name" : "M800 LIMITED - network administrator",
    "address" : [ "21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong" ],
    "street" : "Sheung Yuet Road",
    "city" : "Hong",
    "country" : "HK",
    "email" : [ "noc@m800.com" ],
    "phone" : [ "+852-34720899" ],
    "fax_no" : [ "+852-27354884" ],
    "admin_contacts" : [ "MLna1-AP" ],
    "tech_contacts" : [ "MLna1-AP" ],
    "mnt_by" : [ "MAINT-M800-HK" ],
    "date_updated" : "2015-08-18",
    "source" : "APNIC",
    "addressCountry" : "KONG"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AM2449-AP",
    "name" : "ABUSE M800HK",
    "address" : [ "21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong" ],
    "street" : "Sheung Yuet Road",
    "city" : "Hong",
    "country" : "ZZ",
    "email" : [ "chmak@m800.com" ],
    "abuse_mailbox" : [ "chmak@m800.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "MLna1-AP" ],
    "tech_contacts" : [ "MLna1-AP" ],
    "remarks" : [ "Generated from irt object IRT-M800-HK", "chmak@m800.com was validated on 2026-01-13" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-01-13",
    "source" : "APNIC",
    "addressCountry" : "KONG"
  } ]
}

Peers

AS Number	Description	Country
AS3491	PCCW Global	HK
AS39120	Convergenze S.p.A.	IT
AS24482	SG.GS	SG
AS4635	Hong Kong Internet Exchange--Route Server 1	HK
AS140570	Hong Kong Beecloud System Technology Services Limited	HK
AS6939	Hurricane Electric LLC	US
AS32590	Valve Corporation	US
AS8359	MTS PJSC	RU
AS4635	The Hong Kong Internet Exchange Limited	HK
AS4134	China Telecom Backbone	CN

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS140570	Hong Kong Beecloud System Technology Services Limited	HK
AS6939	Hurricane Electric LLC	US
AS3491	PCCW Global HK Limited	HK
AS8359	MTS PJSC	RU
AS4635	The Hong Kong Internet Exchange Limited	HK
AS3356	Level 3 Parent, LLC	US