AS213845 Cylix Cylix Pte. Ltd.

Cylix Cylix Pte. Ltd. · registered in Singapore

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Singapore#442largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#75,777of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySingapore457 ASNs registered there

Open AS213845 in ASN lookup Look up an IP in this network (91.221.40.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

91.221.40.0/24

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ASNNameIPv4 addresses

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AS400061#443 IGNERO - Hyonix256

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