AS133555 DOORPOST Limited

DOORPOST-AS-AP - DOORPOST Limited · registered in China

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in China#531largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#60,449of 79,396 networks with IPv4

IPv697 x /485 prefixes

CountryChina5,117 ASNs registered there

Open AS133555 in ASN lookup Look up an IP in this network (44.31.216.1) All networks in China

IPv4 prefixes

All 1 prefix, in address order.

44.31.216.0/24

IPv6 prefixes

All 5 prefixes.

2406:840:f380::/44
2406:840:fefc::/48
2a06:a005:260::/43
2a06:a005:280::/43
2a06:a005:2a0::/44

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AS212164#532 HE-AS Jiaxian He256

AS7721#533 QC-NET - Qin Cloud Networks256

AS209306#534 SOHANET Jin Shaohai256

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