ResearchRouting table, RPKI, IRR & looking glass

AS23724 IDC, China Telecommunications Corporation

AS23724 (CHINANET-IDC-BJ-AP) is registered to IDC, China Telecommunications Corporation in CN, through APNIC. It originates 732 prefixes in the global routing table.

649
IPv4 prefixes
83
IPv6 prefixes
2,178,304
IPv4 addresses
85%
RPKI valid

Who holds AS23724

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS23724
Handle
CHINANET-IDC-BJ-AP
Organization
IDC, China Telecommunications Corporation
Country
CN
Registry
APNIC
ASPA
None published
WHOIS recordAPNIC
% [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:  20

What AS23724 announces

Prefixes originated by AS23724 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
649
IPv6 prefixes
83
IPv4 addresses
2,178,304 (8,509 /24s)
RPKI valid
625 85%
RPKI invalid
0
RPKI not found
107
ROAs naming AS23724
912
With an IRR route object
723 98%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (649)
1.203.94.0/241.203.95.0/241.203.115.0/241.203.124.0/2236.110.128.0/1936.110.160.0/1936.110.186.0/2436.110.192.0/1936.110.192.0/2436.110.224.0/1936.110.226.0/2436.110.227.0/2436.111.80.0/2436.111.81.0/2436.111.82.0/2336.111.88.0/2436.111.148.0/2436.111.149.0/2436.111.150.0/2336.112.128.0/2436.112.129.0/2436.112.130.0/2436.112.131.0/2436.112.132.0/2436.112.133.0/2436.112.134.0/2436.112.135.0/2436.112.136.0/2436.112.137.0/2436.112.138.0/2436.112.139.0/2436.112.142.0/2336.112.145.0/2436.112.146.0/2436.112.147.0/2436.112.148.0/2436.112.149.0/2436.112.150.0/2436.112.154.0/2436.112.155.0/2436.112.156.0/2436.112.157.0/2436.112.158.0/2436.112.159.0/2436.112.168.0/2436.112.169.0/2436.112.235.0/2442.62.0.0/2142.62.8.0/2142.62.16.0/2142.62.24.0/2142.62.32.0/2142.62.40.0/2142.62.48.0/2042.62.64.0/1842.62.96.0/1942.158.0.0/1643.196.232.0/2243.231.167.0/2443.231.168.0/2443.231.169.0/2443.231.170.0/2443.243.232.0/2243.247.176.0/2243.247.180.0/2243.247.184.0/2245.254.64.0/2049.4.128.0/2249.7.0.0/1849.7.48.0/2449.7.64.0/1849.7.99.0/2449.7.128.0/1849.7.178.0/2449.7.179.0/2449.7.182.0/2449.7.192.0/1849.7.208.0/2449.7.209.0/2449.7.217.0/2449.7.220.0/2449.7.225.0/2449.7.227.0/2449.7.230.0/2449.7.231.0/2454.222.46.0/2354.222.48.0/2454.222.49.0/2454.222.50.0/2454.222.51.0/2454.222.52.0/2254.222.52.0/2454.222.53.0/2454.222.54.0/2454.222.55.0/2454.222.65.0/2454.222.89.0/2454.222.96.0/2454.222.97.0/2454.222.100.0/2254.222.100.0/2454.222.101.0/2454.222.102.0/2454.222.103.0/2454.222.104.0/2254.222.104.0/2454.222.105.0/2454.222.106.0/2454.222.108.0/2254.222.108.0/2454.222.109.0/2454.222.110.0/2454.222.112.0/2354.222.112.0/2454.222.113.0/2454.222.114.0/2354.222.114.0/2454.222.115.0/2454.222.116.0/2354.222.116.0/24
Show 529 more
54.222.117.0/2458.83.128.0/1761.4.80.0/23101.36.64.0/20101.124.0.0/20101.124.19.0/24101.124.22.0/24101.124.24.0/21101.124.62.0/24101.198.0.0/24101.198.1.0/24101.198.2.0/24101.198.3.0/24101.198.4.0/24101.236.128.0/21101.236.136.0/21101.236.144.0/21101.236.152.0/21101.236.160.0/21101.236.168.0/21101.236.176.0/21101.236.184.0/21101.236.192.0/21101.236.200.0/21101.236.208.0/21101.236.216.0/21101.236.224.0/21101.236.232.0/21101.236.240.0/21101.236.248.0/21101.237.33.0/24101.237.34.0/24101.237.35.0/24101.237.36.0/24101.237.37.0/24101.237.38.0/24101.237.39.0/24101.237.40.0/24101.237.128.0/20101.251.192.0/19101.251.224.0/19101.251.240.0/20101.254.0.0/20101.254.32.0/19101.254.64.0/19101.254.96.0/24101.254.97.0/24101.254.98.0/24101.254.104.0/21101.254.112.0/20101.254.128.0/22101.254.132.0/22101.254.136.0/22101.254.140.0/22101.254.144.0/22101.254.148.0/22101.254.152.0/22101.254.156.0/22101.254.160.0/22101.254.164.0/22101.254.168.0/22101.254.172.0/22101.254.176.0/22101.254.180.0/22101.254.184.0/22101.254.188.0/22101.254.192.0/22101.254.196.0/22101.254.200.0/22101.254.204.0/22101.254.208.0/22101.254.212.0/22101.254.216.0/22101.254.220.0/22101.254.224.0/22101.254.228.0/22101.254.232.0/22101.254.236.0/22101.254.240.0/22101.254.244.0/22101.254.248.0/22101.254.252.0/22103.17.40.0/22103.26.0.0/22103.26.64.0/22103.28.8.0/24103.37.72.0/22103.70.8.0/22103.74.24.0/24103.74.25.0/24103.74.26.0/24103.74.27.0/24103.74.28.0/24103.74.29.0/24103.74.30.0/24103.74.31.0/24103.74.48.0/23103.74.50.0/24103.74.51.0/24103.102.200.0/22103.107.220.0/22103.149.242.0/24103.227.76.0/22103.227.80.0/22103.227.122.0/24103.227.123.0/24103.231.64.0/21103.235.220.0/22103.235.224.0/22103.235.228.0/22103.235.232.0/22103.235.236.0/22103.235.244.0/22103.235.248.0/22103.235.252.0/22103.237.8.0/22103.247.168.0/22103.249.252.0/22103.254.188.0/22106.0.4.0/23106.0.6.0/23106.2.128.0/19106.3.0.0/20106.3.16.0/20106.3.80.0/22106.3.88.0/21106.3.192.0/20106.13.244.0/23106.13.246.0/23106.13.248.0/23106.37.72.0/24106.37.73.0/24106.37.74.0/24106.37.75.0/24106.38.138.0/23106.38.138.0/24106.38.139.0/24106.38.176.0/20106.38.182.0/24106.38.192.0/19106.38.211.0/24106.38.222.0/24106.38.224.0/19106.38.234.0/24106.38.235.0/24106.38.252.0/24106.39.160.0/19106.39.164.0/24106.39.192.0/19106.39.224.0/19106.63.3.0/24106.63.4.0/24106.63.5.0/24106.63.6.0/24106.63.7.0/24106.63.8.0/24106.63.9.0/24106.63.10.0/24106.63.54.0/23106.120.144.0/20106.120.153.0/24106.120.160.0/19106.120.172.0/24110.43.64.0/20110.43.90.0/23110.43.160.0/21110.43.168.0/21110.43.176.0/21110.43.192.0/19110.173.8.0/21110.173.16.0/20110.173.32.0/20113.59.224.0/23113.59.226.0/23114.64.0.0/16114.67.131.0/24114.67.136.0/24114.67.150.0/24114.67.152.0/22114.67.156.0/24114.67.159.0/24114.67.224.0/19114.110.0.0/20114.112.4.0/23114.112.24.0/21114.112.32.0/20114.112.48.0/20114.112.72.0/21114.113.208.0/21114.115.0.0/17115.102.0.0/18115.102.64.0/18115.102.128.0/18115.102.192.0/18116.196.0.0/21116.196.8.0/22116.196.12.0/23116.196.218.0/23116.196.220.0/22116.198.64.0/21116.198.72.0/22116.198.96.0/19117.48.112.0/22117.48.116.0/22117.48.120.0/22117.48.124.0/22117.51.160.0/23117.72.0.0/24117.79.80.0/23117.79.82.0/23117.79.84.0/24117.79.85.0/24117.79.86.0/24117.79.87.0/24117.79.88.0/21117.79.88.0/23117.79.128.0/21117.79.128.0/23117.79.128.0/24117.79.129.0/24117.79.134.0/23117.79.144.0/21117.79.152.0/21117.79.152.0/23117.79.158.0/24117.79.159.0/24117.79.224.0/20117.107.128.0/19117.107.160.0/19117.107.192.0/19117.107.224.0/19117.118.128.0/19117.118.160.0/19117.118.192.0/19117.118.224.0/19118.26.48.0/22118.26.192.0/24118.26.194.0/24118.26.195.0/24118.26.208.0/20118.26.240.0/20118.26.242.0/24118.102.16.0/22118.102.20.0/22118.102.24.0/22118.102.28.0/23118.102.30.0/23118.126.140.0/23118.126.142.0/24118.186.0.0/19118.186.32.0/24118.186.34.0/24118.186.35.0/24118.186.36.0/24118.186.37.0/24118.186.38.0/24118.186.39.0/24118.186.56.0/21118.186.63.0/24118.186.64.0/21118.186.80.0/21118.186.208.0/21118.186.240.0/22118.186.244.0/22118.187.0.0/19118.187.64.0/20118.193.96.0/19118.194.40.0/21118.194.56.0/21119.61.0.0/16119.61.0.0/19119.61.32.0/19119.80.240.0/22119.253.32.0/19119.253.64.0/19119.254.0.0/17119.254.0.0/20119.254.32.0/21119.254.56.0/21119.254.64.0/19119.254.128.0/17119.254.224.0/20119.255.128.0/20119.255.144.0/20119.255.160.0/20119.255.176.0/20119.255.192.0/20119.255.208.0/20119.255.224.0/20119.255.240.0/20120.92.8.0/23120.92.192.0/19120.92.192.0/23120.92.194.0/23120.92.200.0/21120.92.208.0/20120.131.0.0/20120.132.128.0/17120.133.0.0/16120.134.0.0/15122.11.48.0/21122.112.32.0/19122.115.0.0/20122.115.224.0/21122.115.232.0/21123.58.0.0/19123.58.16.0/20123.103.14.0/24124.42.0.0/22124.42.4.0/22124.42.8.0/21124.42.16.0/22124.42.20.0/22124.42.24.0/22124.42.28.0/22124.42.32.0/21124.42.40.0/21124.42.48.0/21124.42.56.0/21124.42.64.0/18124.126.14.0/24124.126.15.0/24124.243.192.0/18124.250.0.0/15124.250.128.0/18124.250.192.0/18124.251.128.0/18124.251.192.0/18125.254.128.0/19125.254.176.0/21139.159.0.0/19139.159.166.0/23140.179.224.0/19140.210.96.0/19150.242.248.0/22175.25.28.0/22175.25.28.0/23175.25.30.0/23175.25.52.0/22175.25.160.0/19180.149.128.0/19180.149.148.0/24180.149.156.0/24180.186.38.0/24180.186.39.0/24180.186.40.0/24180.186.41.0/24180.186.42.0/24180.186.43.0/24180.186.44.0/24182.174.0.0/15183.78.180.0/24183.78.181.0/24183.78.182.0/23183.84.0.0/15202.69.4.0/23202.142.16.0/20203.0.104.0/23203.2.116.0/22203.83.232.0/21203.86.64.0/22203.86.68.0/22203.86.72.0/22203.86.76.0/22203.86.80.0/22203.86.84.0/22203.86.88.0/22203.86.92.0/22203.100.92.0/22203.100.192.0/20203.176.92.0/24203.176.93.0/24203.176.94.0/24203.176.95.0/24203.187.160.0/22203.187.164.0/22203.187.168.0/22203.187.172.0/22203.187.176.0/22203.187.180.0/22203.187.184.0/22203.187.188.0/22203.189.0.0/23203.189.6.0/23203.191.0.0/23203.196.0.0/21203.202.236.0/23210.14.128.0/20210.14.144.0/20210.77.128.0/19210.78.128.0/24211.99.160.0/19211.100.0.0/18211.100.14.0/24211.100.15.0/24211.100.17.0/24211.100.19.0/24211.100.21.0/24211.100.22.0/24211.100.27.0/24211.100.29.0/24211.100.32.0/24211.100.33.0/24211.100.37.0/24211.100.38.0/24211.100.39.0/24211.100.44.0/24211.100.46.0/24211.100.48.0/24211.100.49.0/24211.100.50.0/24211.100.52.0/24211.100.64.0/19211.100.66.0/23211.100.66.0/24211.100.68.0/23211.100.72.0/24211.100.76.0/24211.147.208.0/20211.147.208.0/21211.147.216.0/21211.150.0.0/18211.150.64.0/19211.150.64.0/20211.150.80.0/20211.150.100.0/23211.150.114.0/23211.152.96.0/19211.155.80.0/21211.155.88.0/21211.157.96.0/19211.157.128.0/18211.157.128.0/19211.157.160.0/19211.157.192.0/20211.157.224.0/19211.157.224.0/24211.157.225.0/24211.157.226.0/24218.30.25.0/24218.30.26.0/23218.30.26.0/24218.30.28.0/23218.30.96.0/19218.30.99.0/24218.30.107.0/24218.30.115.0/24218.97.240.0/22218.97.244.0/22218.97.248.0/22218.97.252.0/22218.240.128.0/19218.240.176.0/22218.240.180.0/22218.240.184.0/21218.244.160.0/20218.244.176.0/20218.246.32.0/22219.141.220.0/24219.142.78.0/24219.142.118.0/24220.154.0.0/21220.154.8.0/22220.154.12.0/22220.154.16.0/24220.154.17.0/24220.154.18.0/23220.181.0.0/19220.181.8.0/24220.181.25.0/24220.181.27.0/24220.181.28.0/24220.181.29.0/24220.181.30.0/24220.181.31.0/24220.181.32.0/19220.181.55.0/24220.181.64.0/20220.181.68.0/24220.181.71.0/24220.181.75.0/24220.181.76.0/24220.181.77.0/24220.181.78.0/24220.181.80.0/20220.181.83.0/24220.181.84.0/24220.181.95.0/24220.181.96.0/19220.181.116.0/24220.181.120.0/24220.181.122.0/24220.181.128.0/20220.181.128.0/24220.181.144.0/24220.181.148.0/22220.181.152.0/21220.181.152.0/24220.181.160.0/21220.181.168.0/21220.181.177.0/24220.181.178.0/23220.181.180.0/22220.181.184.0/22220.181.188.0/23220.181.188.0/24220.181.191.0/24220.231.32.0/21220.231.40.0/21220.243.153.0/24220.243.154.0/24220.243.155.0/24220.243.156.0/24220.243.157.0/24220.243.158.0/24221.122.0.0/19221.122.32.0/20221.122.128.0/20221.122.144.0/20221.122.160.0/20221.122.176.0/20221.122.192.0/20221.122.208.0/20221.122.224.0/19221.122.224.0/20221.122.240.0/20221.123.112.0/20221.123.128.0/18221.123.192.0/18
IPv6 (83)

RPKI valid   RPKI invalid   no ROA covers it

Who AS23724 is reached through

The AS just before AS23724 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
APNICCHINANET-IDC-BJ-APAPNIC-HM
RADBCHINA-1MAINT-AS23724

Route objects with origin AS23724: RADB 1,307 · NTTCOM 41 · APNIC 17 · REACH 1

as-sets that list AS23724 (6)