ASN AS45083 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS45083?

AS45083 is listed under China UNICOM, Beijing Branch.

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.

AS45083 China UNICOM, Beijing Branch

ASN Lookup Tool

China UNICOM, Beijing Branch chinaunicom.cn

CN 52 Routes

AS Data

AS45083

AS45083 – China UNICOM, Beijing Branch

AS Number	45083
AS Name	BGTELECOM
Organization	China UNICOM, Beijing Branch(BGTELECOM)
Country	CN
Website	chinaunicom.cn
Number of IPv4 Routes	52
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS45083 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
1.45.168.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.48.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.184.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.80.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.112.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.172.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.52.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.156.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.96.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024
1.45.64.0/22	AS45083	China UNICOM, Beijing Branch	China UNICOM, Beijing Branch	1024

Raw Whois Response

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

% Information related to 'AS45056 - AS45115'

as-block:       AS45056 - AS45115
descr:          CNNIC ASN block
country:        CN
remarks:        These AS numbers are further assigned by CNNIC
remarks:        to CNNIC members and end-users in China
admin-c:        IPAS1-AP
tech-c:         IPAS1-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNNIC-AP
last-modified:  2009-09-29T06:15:17Z
source:         APNIC

role:           CNNIC IPAS CONFEDERATION
address:        No.4, Zhongguancun No.4 South Street,
address:        Haidian District, Beijing
country:        CN
phone:          +86-010-58813000
fax-no:         +86-010-58813075
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        IPAS1-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2013-09-12T07:40:01Z
source:         APNIC

% 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 'AS45083'

% Abuse contact for 'AS45083' is 'shangyq1@chinaunicom.cn'

aut-num:        AS45083
as-name:        BGTELECOM
descr:          China UNICOM, Beijing Branch
descr:          9-1 YANGFANGDIAN Road, Haidian District, Beijing, China
country:        CN
admin-c:        YW7199-AP
tech-c:         YW7199-AP
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-irt:        IRT-BGTELECOM-CN
last-modified:  2025-11-27T08:16:13Z
source:         APNIC

irt:            IRT-BGTELECOM-CN
address:        9-1 YANGFANGDIAN Road, Haidian District, Beijing, China
e-mail:         shangyq1@chinaunicom.cn
abuse-mailbox:  shangyq1@chinaunicom.cn
admin-c:        YW7199-AP
tech-c:         YW7199-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-25T07:27:34Z
source:         APNIC

person:         Shang Yongqian
address:        9-1 YANGFANGDIAN Road, Haidian District, Beijing, China
country:        CN
phone:          +86-010-63999788
e-mail:         shangyq1@chinaunicom.cn
nic-hdl:        YW7199-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2021-11-02T06:22:44Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number	Description	Country
AS10099	China Unicom Global	HK
AS4808	China Unicom Beijing Province Network	CN
AS4808	CHINA169 BJ	AU
AS56048	China Mobile Communicaitons Corporation	CN
AS56048	China Mobile Communications Corporation	CN