What is ASN AS139203?

ASN AS139203 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS139203?

AS139203 is listed under China Telecom Corporation 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.

AS139203 China Telecom Corporation Limited

China Telecom Corporation Limited chinatelecom.com.cn

CN 23 Routes

AS Data

AS139203

AS139203 – China Telecom Corporation Limited

AS Number	139203
AS Name	CHINANET-Guizhou-Guian-IDC
Organization	China Telecom Corporation Limited (org-ct1-ap)
Country	CN
Website	chinatelecom.com.cn
Number of IPv4 Routes	20
Number of IPv6 Routes	3
ASN type	HOSTING
Registry	APNIC
Date Allocated	2019-05-31

ASN Intelligence API for production workflows

Use ASN data for AS139203 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Raw Whois Response

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

% Information related to 'AS138554 - AS139577'

as-block:       AS138554 - AS139577
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:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS139203'

% Abuse contact for 'AS139203' is 'anti-spam@chinatelecom.cn'

aut-num:        AS139203
as-name:        CHINANET-Guizhou-Guian-IDC
descr:          Guizhou GuiAn IDC
descr:          CHINATELECOM Guizhou Data Communication Division
descr:          550025
country:        CN
remarks:        Networks Of IDC , Chinatelecom Guizhou Province, P.R.China.
org:            ORG-CT1-AP
admin-c:        CH93-AP
tech-c:         CH93-AP
abuse-c:        AC1573-AP
notify:         zhengzm@chinatelecom.cn
mnt-lower:      MAINT-CHINANET
mnt-routes:     MAINT-CHINANET-GZ
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINANET-CN
last-modified:  2020-05-16T06:35:42Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         anti-spam@chinatelecom.cn
abuse-mailbox:  anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
mnt-by:         MAINT-CHINANET
last-modified:  2026-05-21T01:31:36Z
source:         APNIC

organisation:   ORG-CT1-AP
org-name:       China Telecom
country:        CN
address:        Data Network Management Division
address:        Network Operation & Maintenance Department
address:        No 19 Chaoyangmen North Street
address:        Dongcheng District
phone:          +86-20-38639251
fax-no:         +86-10-58501060
e-mail:         zhengzm@chinatelecom.cn
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2019-09-16T12:55:07Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-21T01:32:00Z
source:         APNIC

person:         Chinanet Hostmaster
nic-hdl:        CH93-AP
e-mail:         anti-spam@chinatelecom.cn
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +86-10-58501724
fax-no:         +86-10-58501724
country:        CN
mnt-by:         MAINT-CHINANET
last-modified:  2022-02-28T06:53:44Z
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" : "AS138554 - AS139577",
    "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" : "2017-12-08",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS139203",
    "as_name" : "CHINANET-Guizhou-Guian-IDC",
    "description" : [ "Guizhou GuiAn IDC", "CHINATELECOM Guizhou Data Communication Division", "550025" ],
    "country" : "CN",
    "organization" : "ORG-CT1-AP",
    "admin_contacts" : [ "CH93-AP" ],
    "tech_contacts" : [ "CH93-AP" ],
    "abuse_contacts" : [ "AC1573-AP" ],
    "remarks" : [ "Networks Of IDC , Chinatelecom Guizhou Province, P.R.China." ],
    "notify" : [ "zhengzm@chinatelecom.cn" ],
    "mnt_irt" : [ "IRT-CHINANET-CN" ],
    "mnt_lower" : [ "MAINT-CHINANET" ],
    "mnt_routes" : [ "MAINT-CHINANET-GZ" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-05-16",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CHINANET-CN",
    "address" : [ "No.31 ,jingrong street,beijing", "100032" ],
    "street" : "Jingrong Street",
    "city" : "Beijing",
    "zip_code" : "100032",
    "email" : [ "anti-spam@chinatelecom.cn" ],
    "abuse_mailbox" : [ "anti-spam@chinatelecom.cn" ],
    "admin_contacts" : [ "CH93-AP" ],
    "tech_contacts" : [ "CH93-AP" ],
    "remarks" : [ "anti-spam@chinatelecom.cn was validated on 2026-05-21" ],
    "mnt_by" : [ "MAINT-CHINANET" ],
    "date_updated" : "2026-05-21",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CT1-AP",
    "name" : "China Telecom",
    "address" : [ "Data Network Management Division", "Network Operation & Maintenance Department", "No 19 Chaoyangmen North Street", "Dongcheng District" ],
    "street" : "Chaoyangmen North Street",
    "city" : "Dongcheng District",
    "country" : [ "CN" ],
    "email" : [ "zhengzm@chinatelecom.cn" ],
    "phone" : [ "+86-20-38639251" ],
    "fax_no" : [ "+86-10-58501060" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2019-09-16",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CH93-AP",
    "name" : "Chinanet Hostmaster",
    "address" : [ "No.31 ,jingrong street,beijing", "100032" ],
    "street" : "Jingrong Street",
    "city" : "Beijing",
    "zip_code" : "100032",
    "country" : "CN",
    "email" : [ "anti-spam@chinatelecom.cn" ],
    "phone" : [ "+86-10-58501724" ],
    "fax_no" : [ "+86-10-58501724" ],
    "mnt_by" : [ "MAINT-CHINANET" ],
    "date_updated" : "2022-02-28",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CH93-AP",
    "name" : "Chinanet Hostmaster",
    "address" : [ "No.31 ,jingrong street,beijing", "100032" ],
    "street" : "Jingrong Street",
    "city" : "Beijing",
    "zip_code" : "100032",
    "country" : "CN",
    "email" : [ "anti-spam@chinatelecom.cn" ],
    "phone" : [ "+86-10-58501724" ],
    "fax_no" : [ "+86-10-58501724" ],
    "mnt_by" : [ "MAINT-CHINANET" ],
    "date_updated" : "2022-02-28",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1573-AP",
    "name" : "ABUSE CHINANETCN",
    "address" : [ "No.31 ,jingrong street,beijing", "100032" ],
    "street" : "Jingrong Street",
    "city" : "Beijing",
    "zip_code" : "100032",
    "country" : "ZZ",
    "email" : [ "anti-spam@chinatelecom.cn" ],
    "abuse_mailbox" : [ "anti-spam@chinatelecom.cn" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CH93-AP" ],
    "tech_contacts" : [ "CH93-AP" ],
    "remarks" : [ "Generated from irt object IRT-CHINANET-CN", "anti-spam@chinatelecom.cn was validated on 2026-05-21" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-05-21",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS4134	CHINANET BACKBONE No.31,Jin rong Street	CN
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI	TR
AS55990	Huawei Cloud Service data center	CN

Upstreams

AS Number	Description	Country
AS4134	CHINANET BACKBONE No.31,Jin rong Street	CN

Downstreams

AS Number	Description	Country
AS55990	Huawei Cloud Service data center	CN

Contacts

Email Contacts

anti-spam@chinatelecom.cn

Abuse Contacts