AS138456 OceanBlue Cloud Technology Limited

OCTL-AS-AP - OceanBlue Cloud Technology Limited · registered in Hong Kong

IPv4 addresses5,12016 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#187largest network in HK by IPv4 space, of 735 · 0.03% of HK

Rank worldwide#13,543of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryHong Kong779 ASNs registered there

Open AS138456 in ASN lookup Look up an IP in this network (38.46.158.1) All networks in Hong Kong

IPv4 prefixes

All 16 prefixes, in address order.

38.46.158.0/23
38.134.174.0/24
38.247.81.0/24
45.194.96.0/24
45.195.136.0/24
45.202.194.0/23
45.202.196.0/24
103.126.24.0/24
145.79.179.0/24
145.79.180.0/24
154.197.52.0/23
154.197.76.0/24
154.211.3.0/24
154.213.1.0/24
154.213.2.0/23
156.252.21.0/24

IPv6 prefixes

All 1 prefix.

2001:df7:3700::/48

Other ASNs named OceanBlue Cloud Technology Limited

2 other networks use the same organisation name; together with AS138456 they announce 6,144 IPv4 addresses.

ASNNameIPv4 addresses

AS154346OCTL-AS-AP - OceanBlue Cloud Technology Limited HK768

AS151970OCTL-AS-AP - OceanBlue Cloud Technology Limited HK256

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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