ASN AS63621 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63621?

AS63621 is listed under NINGXIA BROADCAST&TV NETWORK CO.,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.

AS63621 NINGXIA BROADCAST&TV NETWORK CO.,LTD

ASN Lookup Tool

NINGXIA BROADCAST&TV NETWORK CO.,LTD nxbtn.net

CN 14 Routes

AS Data

AS63621

AS63621 – NINGXIA BROADCAST&TV NETWORK CO.,LTD

AS Number	63621
AS Name	NXBCTV-NET
Organization	NINGXIA BROADCAST&TV NETWORK CO.,LTD
Country	CN
Website	nxbtn.net
Number of IPv4 Routes	4
Number of IPv6 Routes	10
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS63621 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
240a:4010:8000::/33	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~40×10²⁷
240a:4172::/31	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~158×10²⁷
240a:409c:2000::/35	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~1×10³⁰
240a:4094:2000::/35	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~1×10³⁰
117.124.237.0/24	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Cable Television Network Co.,LTD	256
240a:4242::/31	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~158×10²⁷
240a:41f2::/31	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~158×10²⁷
240a:40a4:2000::/35	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	China Internet Network Information Center	~1×10³⁰
45.253.60.0/22	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	NINGXIA BROADCAST&TV NETWORK CO.,LTD	1024
103.222.184.0/22	AS63621	NINGXIA BROADCAST&TV NETWORK CO.,LTD	NINGXIA BROADCAST&TV NETWORK CO.,LTD	1024

Raw Whois Response

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

% Information related to 'AS63488 - AS63999'

as-block:       AS63488 - AS63999
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:  2013-09-11T23:49:48Z
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 'AS63530 - AS63729'

as-block:       AS63530 - AS63729
descr:          China Internet Network Information Center
country:        CN
remarks:        These AS numbers are further assigned by
remarks:        CNNIC to CNNIC members and end-users
remarks:        in the CNNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNNIC-AP
last-modified:  2014-08-25T00:45:24Z
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 'AS63621'

% Abuse contact for 'AS63621' is 'ywknx@qq.com'

aut-num:        AS63621
as-name:        NXBCTV-NET
descr:          NINGXIA BROADCAST&TV NETWORK CO.,LTD
descr:          No.129 Street of JinFeng District,Yinchuan,
descr:          Ningxia,China
country:        CN
admin-c:        YW6572-AP
tech-c:         YW6572-AP
abuse-c:        AC1601-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-NXBCTV-NET-CN
last-modified:  2023-11-28T00:58:37Z
source:         APNIC

irt:            IRT-NXBCTV-NET-CN
address:        No.127 Ningan Street of Yinchuan,Ningxia,China
e-mail:         ywknx@qq.com
abuse-mailbox:  ywknx@qq.com
admin-c:        YW6572-AP
tech-c:         YW6572-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-18T00:35:10Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
remarks:        ipas@cnnic.cn is invalid
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-19T17:20:32Z
source:         APNIC

person:         Yang wenkui
address:        No.127 Ningan Street of Yinchuan,Ningxia,China
country:        CN
phone:          +86-951-7680650
e-mail:         ywk@nxbtn.net
nic-hdl:        YW6572-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2023-05-06T09:52:00Z
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",
  "as_blocks" : [ {
    "as_block" : "AS63488 - AS63999",
    "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" : "2013-09-11",
    "source" : "APNIC"
  }, {
    "as_block" : "AS63530 - AS63729",
    "country" : "CN",
    "description" : [ "China Internet Network Information Center" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by", "CNNIC to CNNIC members and end-users", "in the CNNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2014-08-25",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS63621",
    "as_name" : "NXBCTV-NET",
    "description" : [ "NINGXIA BROADCAST&TV NETWORK CO.,LTD", "No.129 Street of JinFeng District,Yinchuan,", "Ningxia,China" ],
    "country" : "CN",
    "admin_contacts" : [ "YW6572-AP" ],
    "tech_contacts" : [ "YW6572-AP" ],
    "abuse_contacts" : [ "AC1601-AP" ],
    "mnt_irt" : [ "IRT-NXBCTV-NET-CN" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2023-11-28",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-NXBCTV-NET-CN",
    "address" : [ "No.127 Ningan Street of Yinchuan,Ningxia,China" ],
    "street" : "Ningan Street Of",
    "city" : "Yinchuan",
    "state" : "NINGXIA",
    "country" : "CHINA",
    "email" : [ "ywknx@qq.com" ],
    "abuse_mailbox" : [ "ywknx@qq.com" ],
    "admin_contacts" : [ "YW6572-AP" ],
    "tech_contacts" : [ "YW6572-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "YW6572-AP",
    "name" : "Yang wenkui",
    "address" : [ "No.127 Ningan Street of Yinchuan,Ningxia,China" ],
    "street" : "Ningan Street Of",
    "city" : "Yinchuan",
    "state" : "NINGXIA",
    "country" : "CN",
    "email" : [ "ywk@nxbtn.net" ],
    "phone" : [ "+86-951-7680650" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2023-05-06",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "technical_contacts" : [ {
    "handle" : "YW6572-AP",
    "name" : "Yang wenkui",
    "address" : [ "No.127 Ningan Street of Yinchuan,Ningxia,China" ],
    "street" : "Ningan Street Of",
    "city" : "Yinchuan",
    "state" : "NINGXIA",
    "country" : "CN",
    "email" : [ "ywk@nxbtn.net" ],
    "phone" : [ "+86-951-7680650" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2023-05-06",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1601-AP",
    "name" : "ABUSE CNNICCN",
    "address" : [ "Beijing, China" ],
    "city" : "Beijing",
    "country" : "ZZ",
    "email" : [ "ipas@cnnic.cn" ],
    "abuse_mailbox" : [ "ipas@cnnic.cn" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "IP50-AP" ],
    "tech_contacts" : [ "IP50-AP" ],
    "remarks" : [ "Generated from irt object IRT-CNNIC-CN", "ipas@cnnic.cn is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-09-19",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ]
}

Peers

AS Number	Description	Country
AS146788	China Broadcasting Network Co., Ltd	CN

Upstreams

AS Number	Description	Country
AS146788	China Broadcasting Network Co., Ltd	CN

Contacts

Email Contacts

ipas@cnnic.cn ywknx@qq.com ywk@nxbtn.net

Abuse Contacts

ywknx@qq.com