AS154162 ISIF LIMITED

ISIF-AS-AP - ISIF LIMITED · registered in Hong Kong

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#631largest network in HK by IPv4 space, of 735 · <0.01% of HK

Rank worldwide#61,918of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryHong Kong779 ASNs registered there

Open AS154162 in ASN lookup Look up an IP in this network (49.143.250.1) All networks in Hong Kong

IPv4 prefixes

All 1 prefix, in address order.

49.143.250.0/24

IPv6 prefixes

All 1 prefix.

2402:2520::/48

Similar-sized networks in Hong Kong

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AS154811#633 ZTABOXLIMITED-AS-AP - ZTABOX LIMITED256

AS218733#634 HYW-HK HYW HK LIMITED256

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