ASN AS18239 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18239?

AS18239 is listed under CAPNET NO.11 Xi San Huan Zhong Road,Beijing.

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.

AS18239 CAPNET NO.11 Xi San Huan Zhong Road,Beijing

CAPNET NO.11 Xi San Huan Zhong Road,Beijing capinfo.com.cn

CN 8 Routes

AS Data

AS18239

AS18239 – CAPNET NO.11 Xi San Huan Zhong Road,Beijing

AS Number	18239
AS Name	CAPNET
Organization	CAPNET NO.11 Xi San Huan Zhong Road,Beijing (apnic)
Country	CN
Website	capinfo.com.cn
Number of IPv4 Routes	7
Number of IPv6 Routes	1
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS18239 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
202.148.96.0/19	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	CPIP Beijing Information Highway Corp	8192
115.84.0.0/18	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	CPIP Beijing Information Highway Corp	16384
210.73.64.0/19	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	People's Government of Beijing Municipality	8192
2403:6a00::/32	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	CPIP Beijing Information Highway Corp	~79×10²⁷
210.75.192.0/19	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	Capinfo Company Limited.	8192
211.147.128.0/19	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	YeeYoo Company	8192
219.232.192.0/19	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	capinfo company limited	8192
218.246.64.0/19	AS18239	CAPNET NO.11 Xi San Huan Zhong Road,Beijing	XinXiZiYuanGuanLiZhongXin	8192

Raw Whois Response

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

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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 'AS18238 - AS18247'

as-block:       AS18238 - AS18247
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:  2017-06-22T03:06:52Z
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 'AS18239'

% Abuse contact for 'AS18239' is '1007707490@qq.com'

aut-num:        AS18239
as-name:        CAPNET
descr:          NO.11 Xi San Huan Zhong Road,Beijing
admin-c:        LX223-AP
tech-c:         CZ100-AP
abuse-c:        AC1601-AP
country:        CN
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-irt:        IRT-CAPNET-CN
last-modified:  2021-11-05T03:23:21Z
source:         APNIC

irt:            IRT-CAPNET-CN
address:        NO.11 Xi San Huan Zhong Road,Beijing
e-mail:         1007707490@qq.com
abuse-mailbox:  1007707490@qq.com
admin-c:        LX223-AP
tech-c:         CZ100-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-18T00:34:45Z
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:         Cao Zheng
address:        NO.11 Xi San Huan Zhong Road,Beijing
country:        CN
phone:          +86-10-88511155-5618
fax-no:         +86-10-68475806
e-mail:         lidi@capinfo.com.cn
nic-hdl:        CZ100-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2008-09-04T07:30:30Z
source:         APNIC

person:         Lu Xiaohan
address:        NO.11 Xi San Huan Zhong Road,Beijing
country:        CN
phone:          +86-10-88511155
fax-no:         +86-10-68475806
e-mail:         lixinzheng@capinfo.com.cn
nic-hdl:        LX223-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2008-09-04T07:30:30Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18187 - 18431
ASName:         APNIC-ASBLOCK-17915
ASHandle:       AS18187
RegDate:        2002-09-11
Updated:        2024-09-25
Comment:        These AS numbers are not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl
Ref:            https://rdap.arin.net/registry/autnum/18187

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

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

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
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 'AS18238 - AS18247'

as-block:       AS18238 - AS18247
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:  2017-06-22T03:06:52Z
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 'AS18239'

% Abuse contact for 'AS18239' is '1007707490@qq.com'

aut-num:        AS18239
as-name:        CAPNET
descr:          NO.11 Xi San Huan Zhong Road,Beijing
admin-c:        LX223-AP
tech-c:         CZ100-AP
abuse-c:        AC1601-AP
country:        CN
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-irt:        IRT-CAPNET-CN
last-modified:  2021-11-05T03:23:21Z
source:         APNIC

irt:            IRT-CAPNET-CN
address:        NO.11 Xi San Huan Zhong Road,Beijing
e-mail:         1007707490@qq.com
abuse-mailbox:  1007707490@qq.com
admin-c:        LX223-AP
tech-c:         CZ100-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-18T00:34:45Z
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:         Cao Zheng
address:        NO.11 Xi San Huan Zhong Road,Beijing
country:        CN
phone:          +86-10-88511155-5618
fax-no:         +86-10-68475806
e-mail:         lidi@capinfo.com.cn
nic-hdl:        CZ100-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2008-09-04T07:30:30Z
source:         APNIC

person:         Lu Xiaohan
address:        NO.11 Xi San Huan Zhong Road,Beijing
country:        CN
phone:          +86-10-88511155
fax-no:         +86-10-68475806
e-mail:         lixinzheng@capinfo.com.cn
nic-hdl:        LX223-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2008-09-04T07:30:30Z
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" : "AS17653 - AS18431",
    "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" : "2019-01-08",
    "source" : "APNIC"
  }, {
    "as_block" : "AS18238 - AS18247",
    "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" : "2017-06-22",
    "source" : "APNIC"
  }, {
    "as_block" : "AS17653 - AS18431",
    "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" : "2019-01-08",
    "source" : "APNIC"
  }, {
    "as_block" : "AS18238 - AS18247",
    "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" : "2017-06-22",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS18239",
    "as_name" : "CAPNET",
    "description" : [ "NO.11 Xi San Huan Zhong Road,Beijing" ],
    "country" : "CN",
    "admin_contacts" : [ "LX223-AP" ],
    "tech_contacts" : [ "CZ100-AP" ],
    "abuse_contacts" : [ "AC1601-AP" ],
    "mnt_irt" : [ "IRT-CAPNET-CN" ],
    "mnt_lower" : [ "MAINT-CNNIC-AP" ],
    "mnt_routes" : [ "MAINT-CNNIC-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2021-11-05",
    "source" : "APNIC"
  }, {
    "aut_num" : "AS18239",
    "as_name" : "CAPNET",
    "description" : [ "NO.11 Xi San Huan Zhong Road,Beijing" ],
    "country" : "CN",
    "admin_contacts" : [ "LX223-AP" ],
    "tech_contacts" : [ "CZ100-AP" ],
    "abuse_contacts" : [ "AC1601-AP" ],
    "mnt_irt" : [ "IRT-CAPNET-CN" ],
    "mnt_lower" : [ "MAINT-CNNIC-AP" ],
    "mnt_routes" : [ "MAINT-CNNIC-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2021-11-05",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CAPNET-CN",
    "address" : [ "NO.11 Xi San Huan Zhong Road,Beijing" ],
    "street" : "No.11 Xi San Huan Zhong Road",
    "city" : "Beijing",
    "email" : [ "1007707490@qq.com" ],
    "abuse_mailbox" : [ "1007707490@qq.com" ],
    "admin_contacts" : [ "LX223-AP" ],
    "tech_contacts" : [ "CZ100-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "LX223-AP",
    "name" : "Lu Xiaohan",
    "address" : [ "NO.11 Xi San Huan Zhong Road,Beijing" ],
    "street" : "No.11 Xi San Huan Zhong Road",
    "city" : "Beijing",
    "country" : "CN",
    "email" : [ "lixinzheng@capinfo.com.cn" ],
    "phone" : [ "+86-10-88511155" ],
    "fax_no" : [ "+86-10-68475806" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CZ100-AP",
    "name" : "Cao Zheng",
    "address" : [ "NO.11 Xi San Huan Zhong Road,Beijing" ],
    "street" : "No.11 Xi San Huan Zhong Road",
    "city" : "Beijing",
    "country" : "CN",
    "email" : [ "lidi@capinfo.com.cn" ],
    "phone" : [ "+86-10-88511155-5618" ],
    "fax_no" : [ "+86-10-68475806" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "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
AS10099	China Unicom Global	HK
AS4808	China Unicom Beijing Province Network	CN
AS4847	China Networks Inter-Exchange	CN
AS56048	China Mobile Communicaitons Corporation	CN
AS4808	CHINA169 BJ China Unicom Beijing Province Network	AU
AS4847	Connect to Sprint Link Intl and Global Sprint Link	CN
AS56048	the IP core network of China Mobile Group beijing Company	CN
AS4808	CHINA169 BJ China Unicom Beijing Province Network	CN

Upstreams

AS Number	Description	Country
AS4808	CHINA169 BJ China Unicom Beijing Province Network	AU
AS4847	Connect to Sprint Link Intl and Global Sprint Link	CN
AS56048	the IP core network of China Mobile Group beijing Company	CN
AS4808	CHINA169 BJ China Unicom Beijing Province Network	CN