Home ASN LookupAS7497

AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS

🇨🇳

Org handle: ORG-CA107-AP

Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)

APNICallocated

Announced Prefixes (BGP)

637total

469 IPv4168 IPv6

IPv4 Addresses

Allocated (RIR)868,352

Announced (BGP)1.1M

IPv6 Addresses

Allocated (RIR)1.4×10³⁰

Announced (BGP)1.4×10³⁰

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

1,000

Country

🇨🇳 CN

RIR

APNIC

Status

allocated

Allocated

1997-04-08

Announced Prefixes

(BGP)637

Prefix	RPKI	IRR	Last Seen
49.210.0.0/15	Valid	APNICOther IRR	2026-10-11
49.210.0.0/24	Valid	-	2026-10-11
49.210.96.0/22	Valid	-	2026-10-11
49.210.128.0/24	Valid	-	2026-10-11
49.210.196.0/24	Valid	-	2026-10-11
49.210.252.0/22	Valid	-	2026-10-11
60.245.128.0/17	Valid	APNIC	2026-10-11
60.245.128.0/24	Valid	-	2026-10-11
60.245.193.0/24	Valid	-	2026-10-11
60.245.194.0/24	Valid	-	2026-10-11

1-10 of 637

1 / 64

Allocated Prefixes

(RIR)29

Prefix	Country	RIR	Status
49.210.0.0/15	🇨🇳 CN	APNIC	allocated
60.245.128.0/17	🇨🇳 CN	APNIC	allocated
101.252.0.0/15	🇨🇳 CN	APNIC	allocated
103.2.208.0/22	🇨🇳 CN	APNIC	allocated
113.130.96.0/20	🇨🇳 CN	APNIC	allocated
113.130.112.0/21	🇨🇳 CN	APNIC	allocated
119.78.0.0/15	🇨🇳 CN	APNIC	allocated
124.16.0.0/15	🇨🇳 CN	APNIC	allocated
159.226.0.0/16	🇨🇳 CN	APNIC	allocated
202.38.128.0/23	🇨🇳 CN	APNIC	assigned

1-10 of 29

1 / 3

All 637 announced prefixes of AS7497 →

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS7497 hands its own prefixes to: transit providers, or peers at an exchange.

AS174Cogent Communications321
AS3491PCCW Global (HK)313
AS2907Research Organization Of Information And Systems, National Institute Of Informatics10
AS11537Internet23

Downstreams (6)

Networks whose own prefixes AS7497 passes on: usually its customers.

AS24151China Internet Network Infomation Center27
AS38345Internet Domain Name System Beijing Engineering Resrarch Center26
AS3460Institute Of High Energy Physics22
AS4538China Education And Research Network Center20
AS63555Beijing Beilong Yunhai Network Data Technology Corporation14
AS24409China Internet Network Infomation Center3

Other adjacent networks (5)

Adjacent to AS7497 in the transit part of AS paths: peers, providers or customers.

AS23911China Next Generation Internet Beijing IX30
AS20965GEANT Vereniging22
AS23855Singapore Advanced Research And Education Network4
AS4134No.31,Jin Rong Street1
AS9808China Mobile Communications Group1

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 AS7497 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/7497

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

curl -s "https://api.ipctl.io/v1/asn/7497" | jq