ASN Lookup Tool

China Telecom Corporation Limited chinatelecom.com.cn CN CN 902 Routes

AS Data

AS23724

AS23724 – China Telecom Corporation Limited

AS Number 23724
AS Name CHINANET-IDC-BJ-AP
Organization China Telecom Corporation Limited
Country CN
Website chinatelecom.com.cn
Number of IPv4 Routes 780
Number of IPv6 Routes 84
ASN type HOSTING
Registry APNIC
Date Allocated 2003-04-22

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Use ASN data for AS23724 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
211.155.88.0/21 2048
43.247.176.0/22 1024
103.26.64.0/22 1024
210.78.133.0/24 256
36.112.128.0/24 256
211.100.33.0/24 256
101.236.144.0/21 2048
115.102.192.0/18 16384
114.112.48.0/20 4096
120.132.56.0/22 1024
220.181.75.0/24 256
101.199.125.0/24 256
123.103.12.0/24 256
113.59.226.0/23 512
123.103.8.0/24 256
203.86.80.0/22 1024
118.102.20.0/22 1024
203.187.168.0/22 1024
114.118.80.0/21 2048
106.2.128.0/19 8192
124.251.192.0/18 16384
123.58.0.0/19 8192
221.122.80.0/20 4096
114.112.71.0/24 256
36.110.227.0/24 256
101.254.200.0/22 1024
119.255.224.0/20 4096
49.7.217.0/24 256
120.92.0.0/17 32768
42.62.96.0/19 8192
120.132.128.0/17 32768
106.120.160.0/19 8192
114.116.192.0/19 8192
211.100.28.0/24 256
110.43.168.0/21 2048
220.181.8.0/24 256
114.118.16.0/21 2048
103.74.51.0/24 256
2402:5ec0:1500::/40 ~309×10²⁴
2402:5ec0:1000::/40 ~309×10²⁴
211.147.216.0/21 2048
36.112.133.0/24 256
211.100.27.0/24 256
120.92.194.0/23 512
118.194.56.0/21 2048
218.97.248.0/22 1024
123.103.13.0/24 256
123.59.64.0/19 8192
220.181.177.0/24 256
118.26.192.0/24 256
36.112.134.0/24 256
114.116.128.0/19 8192
114.112.65.0/24 256
218.245.64.0/19 8192
211.157.96.0/19 8192
101.236.240.0/21 2048
122.14.192.0/18 16384
211.150.114.0/23 512
49.7.128.0/18 16384
220.181.68.0/24 256

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:        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 'AS23701 - AS23772'

as-block:       AS23701 - AS23772
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:  2008-09-04T06:40:26Z
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 'AS23724'

% Abuse contact for 'AS23724' is 'anti-spam@chinatelecom.cn'

aut-num:        AS23724
as-name:        CHINANET-IDC-BJ-AP
descr:          IDC, China Telecommunications Corporation
country:        CN
import:         from AS4134 action pref=100; accept ANY
import:         from AS4808 action pref=100; accept AS4808
import:         from AS4815 action pref=100; accept AS4815
import:         from AS4816 action pref=100; accept AS4816
export:         to AS4134 announce AS23724
export:         to AS4815 announce AS23724
export:         to AS4816 announce AS23724
export:         to AS4835 announce AS23724
admin-c:        CH93-AP
tech-c:         CH93-AP
abuse-c:        AC1573-AP
notify:         hostmaster@ns.chinanet.cn.net
mnt-lower:      MAINT-CHINANET-BJ
mnt-routes:     MAINT-CHINANET-BJ
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINANET-CN
last-modified:  2020-05-14T11:13:58Z
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)

Parsed Whois Response

Peers

AS Number Description Country
AS10099 China Unicom Hong Kong Operations Limited HK
AS4808 China Unicom Beijing Province Network CN
AS59067 Microsoft Mobile Alliance Internet Services Co., Ltd CN
AS137718 Beijing Volcano Engine Technology Co., Ltd. CN
AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd CN
AS4816 China Telecom Group CN
AS58593 Shanghai Blue Cloud Technology Co.,Ltd CN
AS4815 China Telecom Group CN
AS9308 Abitcool China Inc. CN
AS63646 Beijing Xiaoju Science and Technology Co., Ltd. CN
AS4809 China Telecom Next Generation Carrier Network CN
AS55990 Huawei Cloud Service data center CN
AS133865 Beijing IQIYI Science & Technology Co., Ltd. CN
AS9814 Beijing FibrLINK Networks Co.,Ltd. CN
AS59078 Yunify Technologies Inc. CN
AS45090 Shenzhen Tencent Computer Systems Company Limited CN
AS4835 China Telecom Group CN
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. CN
AS38365 Beijing Baidu Netcom Science and Technology Co., Ltd. CN
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN
AS56019 Beijing ShuJuJia Technology Co., Ltd. CN
AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI TR

Upstreams

AS Number Description Country
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN
AS4809 China Telecom Next Generation Carrier Network CN

Downstreams

AS Number Description Country
AS59067 Microsoft Mobile Alliance Internet Services Co., Ltd CN
AS137718 Beijing Volcano Engine Technology Co., Ltd. CN
AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd CN
AS58593 Shanghai Blue Cloud Technology Co.,Ltd CN
AS9308 Abitcool China Inc. CN
AS63646 Beijing Xiaoju Science and Technology Co., Ltd. CN
AS55990 Huawei Cloud Service data center CN
AS133865 Beijing IQIYI Science & Technology Co., Ltd. CN
AS9814 Beijing FibrLINK Networks Co.,Ltd. CN
AS59078 Yunify Technologies Inc. CN

Contacts

Email Contacts

anti-spam@chinatelecom.cn

Abuse Contacts

anti-spam@chinatelecom.cn

Legacy Routes

54.222.52.0/22 54.222.97.0/24 140.210.64.0/19 54.222.52.0/24 2401:be00::/48 54.222.114.0/23 140.179.224.0/19 54.222.89.0/24 54.222.114.0/24 54.222.106.0/24 54.222.49.0/24 101.251.224.0/20 54.222.100.0/22 101.251.247.0/24 54.222.100.0/24 101.251.239.0/24 54.222.53.0/24 114.112.84.0/24 2401:1d40::/48 2401:1d40:f21::/48 54.222.113.0/24 54.222.116.0/24 123.58.0.0/20 54.222.110.0/24 140.210.66.0/24 101.251.248.0/22 2401:1d40:100::/48 54.222.96.0/24 101.251.248.0/24 106.3.144.0/21 54.222.116.0/23 101.251.242.0/24 54.222.108.0/24 54.222.102.0/24 101.251.229.0/24 54.222.105.0/24 101.251.195.0/24 101.251.192.0/21 54.222.55.0/24 101.251.228.0/22 54.222.108.0/22 101.251.236.0/24 54.222.117.0/24 54.222.109.0/24 101.251.252.0/22 101.251.244.0/23 54.222.50.0/24 54.222.103.0/24 114.112.92.0/24 54.222.48.0/24 54.222.104.0/24 43.196.232.0/22 101.251.240.0/21 103.252.36.0/22 54.222.115.0/24 54.222.112.0/23 54.222.104.0/22 101.251.240.0/24 101.251.232.0/24 101.251.251.0/24 54.222.54.0/24 54.222.112.0/24 101.251.232.0/21 54.222.65.0/24 54.222.101.0/24 54.222.46.0/23 114.112.80.0/20 101.251.200.0/22 2401:1d40:f22::/48 54.222.51.0/24 114.112.83.0/24

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Frequently Asked Questions

ASN AS23724 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23724 is listed under China Telecom Corporation Limited.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.