AS9821 Department of Science and Technology

DOST-PH-AP - Department of Science and Technology · registered in the Philippines

IPv4 addresses9,2165 prefixes · <0.001% of announced IPv4

Rank in Philippines#30largest network in PH by IPv4 space, of 465 · 0.15% of PH

Rank worldwide#9,466of 79,396 networks with IPv4

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

CountryPhilippines471 ASNs registered there

Open AS9821 in ASN lookup Look up an IP in this network (103.80.140.1) All networks in Philippines

IPv4 prefixes

All 5 prefixes, in address order.

103.80.140.0/22
202.90.128.0/20
202.90.144.0/21
202.90.152.0/22
202.90.156.0/22

IPv6 prefixes

All 1 prefix.

2001:d18::/32

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AS45499#31 CABLELINK-TRANSIT-AS-AP - Cablelink & Holdings Corp. Transit AS Internet Service Provider Philippines9,216

AS38553#32 DCTECHMSI-AS-AP - DC Tech Micro Services Inc.8,960

AS133334#33 DCNBSI-AS-AP - DCTV Cable Network Broadband Services Inc8,192

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