AS17721 International Rice Research Institute,

IRRI-AS-AP - International Rice Research Institute, · registered in the Philippines

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Philippines#44largest network in PH by IPv4 space, of 465 · 0.07% of PH

Rank worldwide#15,018of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryPhilippines471 ASNs registered there

Open AS17721 in ASN lookup Look up an IP in this network (202.123.48.1) All networks in Philippines

IPv4 prefixes

All 1 prefix, in address order.

202.123.48.0/20

IPv6 prefixes

All 1 prefix.

2404:9800::/32

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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