AS137211 ALTRON DATA LIMITED

ALTRON-AS-AP - ALTRON DATA LIMITED · registered in Hong Kong

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#572largest network in HK by IPv4 space, of 735 · <0.01% of HK

Rank worldwide#53,801of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryHong Kong779 ASNs registered there

Open AS137211 in ASN lookup Look up an IP in this network (138.252.228.1) All networks in Hong Kong

IPv4 prefixes

All 1 prefix, in address order.

138.252.228.0/23

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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