ASN AS17816 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17816?

AS17816 is listed under CHINA169 GZ China Unicom IP network China169 Guangdong province.

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?

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AS17816 CHINA169 GZ China Unicom IP network China169 Guangdong province

CHINA169 GZ China Unicom IP network China169 Guangdong province chinaunicom.cn

CN 168 Routes

AS Data

AS17816

AS17816 – CHINA169 GZ China Unicom IP network China169 Guangdong province

AS Number	17816
AS Name	CHINA169-GZ
Organization	CHINA169 GZ China Unicom IP network China169 Guangdong province (apnic)
Country	CN
Website	chinaunicom.cn
Number of IPv4 Routes	119
Number of IPv6 Routes	49
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS17816 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
58.254.232.0/23	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	China Unicom	512
2408:8858::/32	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	CHINA UNICOM China169 Backbone	~79×10²⁷
58.254.212.0/24	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	vip 1 ce zs DIA address, Dongguan, Guangdong province	256
58.254.215.0/24	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	Chinaunicom zhongshan, Zhongshan, Guangdong province	256
58.254.245.0/24	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	China Unicom	256
2408:8257::/32	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	CHINA UNICOM China169 Backbone	~79×10²⁷
2408:895a::/32	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	CHINA UNICOM China169 Backbone	~79×10²⁷
120.80.0.0/13	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	China Unicom	524288
218.104.192.0/21	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	China Unicom	2048
211.96.0.0/16	AS17816	CHINA169 GZ China Unicom IP network China169 Guangdong province	China Unicom	65536

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 'AS17816'

% Abuse contact for 'AS17816' is 'zhaoyz3@chinaunicom.cn'

aut-num:        AS17816
as-name:        CHINA169-GZ
descr:          China Unicom IP network China169 Guangdong province
country:        CN
member-of:      AS4837:AS-CNCGROUP
import:         from AS4837 action pref=100; accept ANY
import:         from AS17490 action pref=100; accept AS17490
export:         to AS4837 announce AS17816
export:         to AS17490 announce AS17816
admin-c:        CH1302-AP
tech-c:         CH1302-AP
abuse-c:        AC1718-AP
mnt-routes:     MAINT-CNCGROUP-RR
mnt-by:         MAINT-CNCGROUP
mnt-by:         MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:41:22Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-05-09T04:50:16Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-08T01:31:32Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)



#
# 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:       17653 - 17913
ASName:         APNIC-17652
ASHandle:       AS17653
RegDate:        2002-09-11
Updated:        2021-06-23
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/17653

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 'AS17816'

% Abuse contact for 'AS17816' is 'zhaoyz3@chinaunicom.cn'

aut-num:        AS17816
as-name:        CHINA169-GZ
descr:          China Unicom IP network China169 Guangdong province
country:        CN
member-of:      AS4837:AS-CNCGROUP
import:         from AS4837 action pref=100; accept ANY
import:         from AS17490 action pref=100; accept AS17490
export:         to AS4837 announce AS17816
export:         to AS17490 announce AS17816
admin-c:        CH1302-AP
tech-c:         CH1302-AP
abuse-c:        AC1718-AP
mnt-routes:     MAINT-CNCGROUP-RR
mnt-by:         MAINT-CNCGROUP
mnt-by:         MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:41:22Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-05-09T04:50:16Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-08T01:31:32Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
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" : "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"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS17816",
    "as_name" : "CHINA169-GZ",
    "description" : [ "China Unicom IP network China169 Guangdong province" ],
    "country" : "CN",
    "member_of" : [ "AS4837:AS-CNCGROUP" ],
    "import" : [ "from AS4837 action pref=100; accept ANY", "from AS17490 action pref=100; accept AS17490" ],
    "export" : [ "to AS4837 announce AS17816", "to AS17490 announce AS17816" ],
    "admin_contacts" : [ "CH1302-AP" ],
    "tech_contacts" : [ "CH1302-AP" ],
    "abuse_contacts" : [ "AC1718-AP" ],
    "mnt_irt" : [ "IRT-CU-CN" ],
    "mnt_routes" : [ "MAINT-CNCGROUP-RR" ],
    "mnt_by" : [ "MAINT-CNCGROUP", "MAINT-CNCGROUP-RR" ],
    "date_updated" : "2023-10-21",
    "source" : "APNIC"
  }, {
    "aut_num" : "AS17816",
    "as_name" : "CHINA169-GZ",
    "description" : [ "China Unicom IP network China169 Guangdong province" ],
    "country" : "CN",
    "member_of" : [ "AS4837:AS-CNCGROUP" ],
    "import" : [ "from AS4837 action pref=100; accept ANY", "from AS17490 action pref=100; accept AS17490" ],
    "export" : [ "to AS4837 announce AS17816", "to AS17490 announce AS17816" ],
    "admin_contacts" : [ "CH1302-AP" ],
    "tech_contacts" : [ "CH1302-AP" ],
    "abuse_contacts" : [ "AC1718-AP" ],
    "mnt_irt" : [ "IRT-CU-CN" ],
    "mnt_routes" : [ "MAINT-CNCGROUP-RR" ],
    "mnt_by" : [ "MAINT-CNCGROUP", "MAINT-CNCGROUP-RR" ],
    "date_updated" : "2023-10-21",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CU-CN",
    "address" : [ "No.21,Financial Street", "Beijing,100033", "P.R.China" ],
    "street" : "Financial Street",
    "city" : "P.r.china",
    "zip_code" : "100033",
    "email" : [ "zhaoyz3@chinaunicom.cn" ],
    "abuse_mailbox" : [ "zhaoyz3@chinaunicom.cn" ],
    "admin_contacts" : [ "CH1302-AP" ],
    "tech_contacts" : [ "CH1302-AP" ],
    "remarks" : [ "zhaoyz3@chinaunicom.cn was validated on 2026-05-08" ],
    "mnt_by" : [ "MAINT-CNCGROUP" ],
    "date_updated" : "2026-05-09",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CH1302-AP",
    "name" : "ChinaUnicom Hostmaster",
    "address" : [ "No.21,Jin-Rong Street", "Beijing,100033", "P.R.China" ],
    "street" : "Jin-rong Street",
    "city" : "P.r.china",
    "zip_code" : "100033",
    "country" : "CN",
    "email" : [ "hqs-ipabuse@chinaunicom.cn" ],
    "phone" : [ "+86-10-66259764" ],
    "fax_no" : [ "+86-10-66259764" ],
    "mnt_by" : [ "MAINT-CNCGROUP" ],
    "date_updated" : "2017-08-17",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CH1302-AP",
    "name" : "ChinaUnicom Hostmaster",
    "address" : [ "No.21,Jin-Rong Street", "Beijing,100033", "P.R.China" ],
    "street" : "Jin-rong Street",
    "city" : "P.r.china",
    "zip_code" : "100033",
    "country" : "CN",
    "email" : [ "hqs-ipabuse@chinaunicom.cn" ],
    "phone" : [ "+86-10-66259764" ],
    "fax_no" : [ "+86-10-66259764" ],
    "mnt_by" : [ "MAINT-CNCGROUP" ],
    "date_updated" : "2017-08-17",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1718-AP",
    "name" : "ABUSE CUCN",
    "address" : [ "No.21,Financial Street", "Beijing,100033", "P.R.China" ],
    "street" : "Financial Street",
    "city" : "P.r.china",
    "zip_code" : "100033",
    "country" : "ZZ",
    "email" : [ "zhaoyz3@chinaunicom.cn" ],
    "abuse_mailbox" : [ "zhaoyz3@chinaunicom.cn" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CH1302-AP" ],
    "tech_contacts" : [ "CH1302-AP" ],
    "remarks" : [ "Generated from irt object IRT-CU-CN", "zhaoyz3@chinaunicom.cn was validated on 2026-05-08" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-05-08",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS4837	China Unicom Backbone	CN
AS9929	CHINA UNICOM Industrial Internet Backbone	CN
AS24409	China Internet Network Infomation Center	CN
AS4837	CHINA UNICOM China169 Backbone	CN
AS17490	3/F,Yi Qing Building,Hua Jing Xin Cheng,Guangzhou	CN
AS9929	China Netcom Backbone	CN

Upstreams

AS Number	Description	Country
AS9929	CHINA UNICOM Industrial Internet Backbone	CN
AS4837	CHINA UNICOM China169 Backbone	CN

Downstreams

AS Number	Description	Country
AS24409	China Internet Network Infomation Center	CN

Contacts

Email Contacts

zhaoyz3@chinaunicom.cn

Abuse Contacts

hqs-ipabuse@chinaunicom.cn zhaoyz3@chinaunicom.cn

ASN Lookup Tool

ASN Summary