AS4859 The State Information Center of P.R.China

CEISTNET-AS-AP - The State Information Center of P.R.China · registered in China

IPv4 addresses4,0963 prefixes · <0.001% of announced IPv4

Rank in China#285largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#15,000of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryChina5,117 ASNs registered there

Open AS4859 in ASN lookup Look up an IP in this network (103.15.4.1) All networks in China

IPv4 prefixes

All 3 prefixes, in address order.

103.15.4.0/22
203.207.96.0/21
203.207.104.0/22

IPv6 prefixes

All 1 prefix.

2404:c300::/32

Similar-sized networks in China

ASNNameIPv4 addresses

AS4611#282 xinhuanet - CNNIC member4,864

AS55996#283 CYPRESSTEL - CYPRESS TELECOM (CHINA) LIMITED4,608

AS59067#284 MMAISNET - Microsoft Mobile Alliance Internet Services Co., Ltd4,608

AS37942#286 SACHNET - 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street,4,096

AS59029#287 PEOPLENET - People.Cn CO.,LTD4,096

AS141006#288 CT-NEIMENGGU-WULANCHABU-MAN - China Telecom4,096

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