AS58866 China Financial Certification Authority

CFCA-NET - China Financial Certification Authority · registered in China

IPv4 addresses1,7923 prefixes · <0.001% of announced IPv4

Rank in China#347largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#24,925of 79,396 networks with IPv4

IPv62 x /481 prefixes

CountryChina5,117 ASNs registered there

Open AS58866 in ASN lookup Look up an IP in this network (210.74.40.1) All networks in China

IPv4 prefixes

All 3 prefixes, in address order.

210.74.40.0/22
210.74.44.0/23
210.74.47.0/24

IPv6 prefixes

All 1 prefix.

2404:e280::/47

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources