ASN AS24138 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS24138?

AS24138 is listed under China TieTong Telecommunications Corporation.

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.

AS24138 China TieTong Telecommunications Corporation

China TieTong Telecommunications Corporation cnnic.cn

CN 259 Routes

AS Data

AS24138

AS24138 – China TieTong Telecommunications Corporation

AS Number	24138
AS Name	CTTNET
Organization	China TieTong Telecommunications Corporation
Country	CN
Website	cnnic.cn
Number of IPv4 Routes	259
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS24138 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

Raw Whois Response

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

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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 'AS24133 - AS24143'

as-block:       AS24133 - AS24143
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:  2018-05-01T10:12:25Z
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 'AS24138'

% Abuse contact for 'AS24138' is 'liuxin15@cmtt.chinamobile.com'

aut-num:        AS24138
as-name:        CTTNET
descr:          China TieTong Telecommunications Corporation
descr:          Jinze Mansion, 2 Guangningbo Street,
descr:          Xicheng District, Beijing, China, 100032
country:        CN
admin-c:        WP188-AP
tech-c:         LM273-AP
abuse-c:        AC1601-AP
mnt-lower:      MAINT-CN-CRTC
mnt-routes:     MAINT-CNNIC-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CTTNET-CN
last-modified:  2023-11-28T00:58:30Z
source:         APNIC

irt:            IRT-CTTNET-CN
address:        Jinze Mansion, 2 Guangningbo Street, Xicheng District, Beijing
e-mail:         liuxin15@cmtt.chinamobile.com
abuse-mailbox:  liuxin15@cmtt.chinamobile.com
admin-c:        WP188-AP
tech-c:         WP188-AP
auth:           # Filtered
remarks:        liuxin15@cmtt.chinamobile.com was validated on 2026-05-21
mnt-by:         MAINT-CNNIC-AP
last-modified:  2026-05-21T07:58:00Z
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:         liu min
address:        Jinze Mansion, 2 Guangningbo Street, Xicheng District, Beijing
country:        CN
phone:          +86-13810874779
e-mail:         gyzhao@cmtietong.com
nic-hdl:        LM273-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2018-07-20T00:58:02Z
source:         APNIC

person:         Wang Pei
address:        Jinze Mansion, 2 Guangningbo Street, Xicheng District, Beijing
country:        CN
phone:          +86-13601002911
e-mail:         wpli@cmtietong.com
nic-hdl:        WP188-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2018-07-20T01:00:03Z
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" : "AS23552 - AS24575",
    "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", "AS23889 has been transfered to AfriNIC" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS24133 - AS24143",
    "country" : "CN",
    "description" : [ "CNNIC ASN block" ],
    "admin_contacts" : [ "IPAS1-AP" ],
    "tech_contacts" : [ "IPAS1-AP" ],
    "remarks" : [ "These AS numbers are further assigned by CNNIC", "to CNNIC members and end-users in China" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2018-05-01",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS24138",
    "as_name" : "CTTNET",
    "description" : [ "China TieTong Telecommunications Corporation", "Jinze Mansion, 2 Guangningbo Street,", "Xicheng District, Beijing, China, 100032" ],
    "country" : "CN",
    "admin_contacts" : [ "WP188-AP" ],
    "tech_contacts" : [ "LM273-AP" ],
    "abuse_contacts" : [ "AC1601-AP" ],
    "mnt_irt" : [ "IRT-CTTNET-CN" ],
    "mnt_lower" : [ "MAINT-CN-CRTC" ],
    "mnt_routes" : [ "MAINT-CNNIC-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2023-11-28",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CTTNET-CN",
    "address" : [ "Jinze Mansion, 2 Guangningbo Street, Xicheng District, Beijing" ],
    "street" : "Guangningbo Street",
    "city" : "Beijing",
    "email" : [ "liuxin15@cmtt.chinamobile.com" ],
    "abuse_mailbox" : [ "liuxin15@cmtt.chinamobile.com" ],
    "admin_contacts" : [ "WP188-AP" ],
    "tech_contacts" : [ "WP188-AP" ],
    "remarks" : [ "liuxin15@cmtt.chinamobile.com was validated on 2026-05-21" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2026-05-21",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "WP188-AP",
    "name" : "Wang Pei",
    "address" : [ "Jinze Mansion, 2 Guangningbo Street, Xicheng District, Beijing" ],
    "street" : "Guangningbo Street",
    "city" : "Beijing",
    "country" : "CN",
    "email" : [ "wpli@cmtietong.com" ],
    "phone" : [ "+86-13601002911" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2018-07-20",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "LM273-AP",
    "name" : "liu min",
    "address" : [ "Jinze Mansion, 2 Guangningbo Street, Xicheng District, Beijing" ],
    "street" : "Guangningbo Street",
    "city" : "Beijing",
    "country" : "CN",
    "email" : [ "gyzhao@cmtietong.com" ],
    "phone" : [ "+86-13810874779" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2018-07-20",
    "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
AS23844	Beijing Guanghuan Xinwang Digital	CN
AS23844	Technology Co., LTD.	CN
AS56048	China Mobile Communicaitons Corporation	CN
AS56282	Beijing Internet Harbor Technology Co., Ltd	CN
AS59089	NO.18 Building University of Technology	CN
AS18118	CITIC Networks Management Co.,Ltd.	CN
AS17964	Beijing Dian-Xin-Tong Network Technologies Co., Ltd.	CN
AS131495	Beijing nine cloud infinite network technology co., LTD	CN
AS17964	Beijing Dian Xin Tong Network Technologies Co., Ltd.	CN
AS45058	Golden-Bridge Netcom communication Co.,LTD.	CN
AS38365	Beijing Baidu Netcom Science and Technology Co., Ltd.	CN
AS9394	China TieTong Telecommunications Corporation	CN
AS56019	Beijing ShuJuJia Technology Co., Ltd.	CN
AS56048	the IP core network of China Mobile Group beijing Company	CN
AS45058	Golden Bridge Netcom communication Co.,LTD.	CN

Upstreams

AS Number	Description	Country
AS9394	China TieTong Telecommunications Corporation	CN
AS56048	the IP core network of China Mobile Group beijing Company	CN

Downstreams

AS Number	Description	Country
AS23844	Technology Co., LTD.	CN
AS38365	Beijing Baidu Netcom Science and Technology Co., Ltd.	CN
AS56282	Beijing Internet Harbor Technology Co., Ltd	CN
AS59089	NO.18 Building University of Technology	CN
AS18118	CITIC Networks Management Co.,Ltd.	CN
AS131495	Beijing nine cloud infinite network technology co., LTD	CN
AS17964	Beijing Dian Xin Tong Network Technologies Co., Ltd.	CN
AS56019	Beijing ShuJuJia Technology Co., Ltd.	CN
AS45058	Golden Bridge Netcom communication Co.,LTD.	CN

Contacts

Email Contacts

liuxin15@cmtt.chinamobile.com ipas@cnnic.cn gyzhao@cmtietong.com helpdesk@apnic.net wpli@cmtietong.com

Abuse Contacts

liuxin15@cmtt.chinamobile.com

Legacy Routes

103.90.190.0/24 103.46.168.0/24

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