Home ASN LookupAS23724

AS23724 CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation

🇨🇳

Org handle: A914EAE4

IDC, China Telecommunications Corporation

APNICallocated

Announced Prefixes (BGP)

1,013total

924 IPv489 IPv6

IPv4 Addresses

Allocated (RIR)1.2M

Announced (BGP)3.4M

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)4.1×10²⁹

Prefix Limit (IPv4)

2,000

Prefix Limit (IPv6)

500

Country

🇨🇳 CN

RIR

APNIC

Status

allocated

Allocated

2003-04-22

Announced Prefixes

(BGP)1,000 of 1,013

Prefix	RPKI	IRR	Last Seen
1.203.94.0/24	Valid	Other IRR	2026-10-11
1.203.95.0/24	Valid	Other IRR	2026-10-11
1.203.115.0/24	Valid	Other IRR	2026-10-11
1.203.124.0/22	Valid	Other IRR	2026-10-11
36.110.128.0/19	Valid	Other IRR	2026-10-11
36.110.160.0/19	Valid	Other IRR	2026-10-11
36.110.186.0/24	Valid	Other IRR	2026-10-11
36.110.192.0/19	Valid	Other IRR	2026-10-11
36.110.192.0/24	Valid	Other IRR	2026-10-11
36.110.224.0/19	Valid	Other IRR	2026-10-11

1-10 of 1,000

1 / 100

Allocated Prefixes

(RIR)101

Prefix	Country	RIR	Status
42.62.32.0/21	🇨🇳 CN	APNIC	assigned
42.62.40.0/21	🇨🇳 CN	APNIC	assigned
42.62.48.0/20	🇨🇳 CN	APNIC	assigned
42.62.64.0/18	🇨🇳 CN	APNIC	assigned
42.158.0.0/16	🇨🇳 CN	APNIC	allocated
43.243.232.0/22	🇨🇳 CN	APNIC	allocated
43.247.176.0/22	🇨🇳 CN	APNIC	allocated
43.247.180.0/22	🇨🇳 CN	APNIC	allocated
43.247.184.0/22	🇨🇳 CN	APNIC	allocated
61.4.80.0/23	🇨🇳 CN	APNIC	assigned

1-10 of 101

1 / 11

All 1,013 announced prefixes of AS23724 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS23724 hands its own prefixes to: transit providers, or peers at an exchange.

AS4134CHINANET BACKBONE No.31,Jin Rong Street1,011
AS4809CHINATELECOM CORE WAN CN2 China Telecom Next Generation Carrier Network2

Downstreams (12)

Networks whose own prefixes AS23724 passes on: usually its customers.

AS45090TENCENT NET AP Shenzhen Tencent Computer Systems Company Limited228
AS37963ALIBABA CN NET Hangzhou Alibaba Advertising92
AS55990HWCSNET Huawei Cloud Service Data Center90
AS38365BAIDU Beijing Baidu Netcom Science And Technology45
AS9814FIBRLINK Beijing FibrLINK Networks42
AS59019BJKSCNET Beijing Kingsoft Cloud Internet Technology27
AS137718VOLCANO ENGINE Beijing Volcano Engine Technology15
AS63646XJKJ Beijing Xiaoju Science And Technology11
AS9308CHINA ABITCOOL AbitcoolChina6
AS59067MMAISNET Microsoft Mobile Alliance Internet Services6
AS133865IQIYI AP Beijing IQIYI Science & Technology3
AS56019SHUJUJIA Beijing ShuJuJia Technology1

ASPA

No ASPA

External Links

APNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS23724 should publish an ASPA object
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/23724

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/23724" | jq