AS134789 OPTICALHASH COMMUNICATIONS PTE LTD

OCPL-AS-AP - OPTICALHASH COMMUNICATIONS PTE LTD · registered in Singapore

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in Singapore#221largest network in SG by IPv4 space, of 443 · 0.01% of SG

Rank worldwide#38,900of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySingapore457 ASNs registered there

Open AS134789 in ASN lookup Look up an IP in this network (151.158.96.1) All networks in Singapore

IPv4 prefixes

All 3 prefixes, in address order.

151.158.96.0/23
154.196.138.0/24
156.240.76.0/24

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ASNNameIPv4 addresses

AS132739#218 SCAFFNETPTELTD-AS-AP - Scaffnet Pte Ltd1,024

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AS134534#220 ATT-NBE-SG - ATT NBE Equinix Singapore1,024

AS134981#222 UBER-AS-AP - UBER SINGAPORE TECHNOLOGY PTE. LTD1,024

AS135048#223 SINGAPORE-AS-AP - Singapore Pools (Private) Limited1,024

AS135531#224 GIC-AS-AP - Global Integrated Communications Pte Ltd1,024

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