ASN AS58542 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS58542?

AS58542 is listed under Tianjij,300000.

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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AS58542 Tianjij,300000 | IPGeolocation.io

Tianjij,300000 chinatelecom.cn

CN 72 Routes

AS Data

AS58542

AS58542 – Tianjij,300000

AS Number	58542
AS Name	CHINATELECOM-TIANJIN
Organization	Tianjij,300000 (CHINATELECOM-TIANJIN)
Country	CN
Website	chinatelecom.cn
Number of IPv4 Routes	62
Number of IPv6 Routes	10
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS58542 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.45.168.0/24	AS58542	Tianjij,300000	CYPRESS TELECOM CHINA LIMITED, Room 809B, 8/F, Modern International Building, No.	256
123.150.208.0/24	AS58542	Tianjij,300000	CHINANET	256
123.151.96.0/20	AS58542	Tianjij,300000	GUOXINBEILIN LTD	4096
123.151.180.0/24	AS58542	Tianjij,300000	CHINANET	256
123.151.148.0/22	AS58542	Tianjij,300000	HAOWEIGAOKE LTD	1024
123.151.144.0/24	AS58542	Tianjij,300000	TIANJINCHANGKUAN LTD	256
123.151.139.0/24	AS58542	Tianjij,300000	CHINANET	256
123.151.183.0/24	AS58542	Tianjij,300000	CHINANET	256
42.81.138.0/24	AS58542	Tianjij,300000	CHINANET	256
123.151.26.0/23	AS58542	Tianjij,300000	TIANJIN GUANGBODIANSHI LTD	512

Raw Whois Response

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

% Information related to 'AS58368 - AS59391'

as-block:       AS58368 - AS59391
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:  2011-08-10T06:21:41Z
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 'AS58542'

% Abuse contact for 'AS58542' is 'anti-spam@chinatelecom.cn'

aut-num:        AS58542
as-name:        CHINATELECOM-TIANJIN
descr:          Tianjij,300000
country:        CN
admin-c:        CH93-AP
tech-c:         CH93-AP
abuse-c:        AC1573-AP
notify:         Zhengzm@chinatelecom.cn
mnt-lower:      MAINT-CHINANET
mnt-routes:     MAINT-CHINANET-TJ
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINANET-CN
last-modified:  2020-05-25T00:11:10Z
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

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)



#
# 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:       58368 - 58578
ASName:         APNIC-ASNBLOCK-58368
ASHandle:       AS58368
RegDate:        2011-08-09
Updated:        2024-01-22
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/58368

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 'AS58368 - AS59391'

as-block:       AS58368 - AS59391
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:  2011-08-10T06:21:41Z
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 'AS58542'

% Abuse contact for 'AS58542' is 'anti-spam@chinatelecom.cn'

aut-num:        AS58542
as-name:        CHINATELECOM-TIANJIN
descr:          Tianjij,300000
country:        CN
admin-c:        CH93-AP
tech-c:         CH93-AP
abuse-c:        AC1573-AP
notify:         Zhengzm@chinatelecom.cn
mnt-lower:      MAINT-CHINANET
mnt-routes:     MAINT-CHINANET-TJ
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINANET-CN
last-modified:  2020-05-25T00:11:10Z
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

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-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS58368 - AS59391",
    "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" : "2011-08-10",
    "source" : "APNIC"
  }, {
    "as_block" : "AS58368 - AS59391",
    "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" : "2011-08-10",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS58542",
    "as_name" : "CHINATELECOM-TIANJIN",
    "description" : [ "Tianjij,300000" ],
    "country" : "CN",
    "admin_contacts" : [ "CH93-AP" ],
    "tech_contacts" : [ "CH93-AP" ],
    "abuse_contacts" : [ "AC1573-AP" ],
    "notify" : [ "Zhengzm@chinatelecom.cn" ],
    "mnt_irt" : [ "IRT-CHINANET-CN" ],
    "mnt_lower" : [ "MAINT-CHINANET" ],
    "mnt_routes" : [ "MAINT-CHINANET-TJ" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-05-25",
    "source" : "APNIC"
  }, {
    "aut_num" : "AS58542",
    "as_name" : "CHINATELECOM-TIANJIN",
    "description" : [ "Tianjij,300000" ],
    "country" : "CN",
    "admin_contacts" : [ "CH93-AP" ],
    "tech_contacts" : [ "CH93-AP" ],
    "abuse_contacts" : [ "AC1573-AP" ],
    "notify" : [ "Zhengzm@chinatelecom.cn" ],
    "mnt_irt" : [ "IRT-CHINANET-CN" ],
    "mnt_lower" : [ "MAINT-CHINANET" ],
    "mnt_routes" : [ "MAINT-CHINANET-TJ" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-05-25",
    "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"
  },
  "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
AS10099	China Unicom Global	HK
AS137718	Beijing Volcano Engine Technology Co., Ltd.	CN
AS59019	Beijing Kingsoft Cloud Internet Technology Co., Ltd	CN
AS45090	Shenzhen Tencent Computer Systems Company Limited	CN
AS4134	China Telecom Backbone	CN
AS4134	CHINANET BACKBONE No.31,Jin rong Street	CN

Upstreams

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

Downstreams

AS Number	Description	Country
AS137718	Beijing Volcano Engine Technology Co., Ltd.	CN
AS59019	Beijing Kingsoft Cloud Internet Technology Co., Ltd	CN
AS45090	Shenzhen Tencent Computer Systems Company Limited	CN

Contacts

Email Contacts

anti-spam@chinatelecom.cn

Abuse Contacts

anti-spam@chinatelecom.cn

Legacy Routes

103.197.3.0/24 103.197.2.0/24 103.197.0.0/24

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