AS56118 Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000

OCSC-TH - Office of the Civil Service Commission 47/111 Tiwanon Road, Talad Kwan Sub-District, Muang District, Nonthaburi 11000 · registered in Thailand

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Thailand#284largest network in TH by IPv4 space, of 460 · <0.01% of TH

Rank worldwide#52,586of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryThailand465 ASNs registered there

Open AS56118 in ASN lookup Look up an IP in this network (203.21.42.1) All networks in Thailand

IPv4 prefixes

All 1 prefix, in address order.

203.21.42.0/23

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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