AS18233 Philippine Telegraph and Telephone Corporation,

PTTNET - Philippine Telegraph and Telephone Corporation, · registered in the Philippines

IPv4 addresses9,9849 prefixes · <0.001% of announced IPv4

Rank in Philippines#27largest network in PH by IPv4 space, of 465 · 0.16% of PH

Rank worldwide#9,107of 79,396 networks with IPv4

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

CountryPhilippines471 ASNs registered there

Open AS18233 in ASN lookup Look up an IP in this network (45.195.28.1) All networks in Philippines

IPv4 prefixes

All 9 prefixes, in address order.

45.195.28.0/22
45.199.177.0/24
45.200.6.0/23
154.197.59.0/24
203.160.160.0/20
203.160.176.0/21
203.160.184.0/24
203.160.186.0/23
203.160.188.0/22

IPv6 prefixes

All 1 prefix.

2400:8a81::/32

Other ASNs named Philippine Telegraph and Telephone Corporation,

1 other network uses the same organisation name; together with AS18233 they announce 10,752 IPv4 addresses.

ASNNameIPv4 addresses

AS132454PTTNET - Philippine Telegraph and Telephone Corporation, PH768

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ASNNameIPv4 addresses

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AS150161#28 HMO-AS-AP - HYPERSONIC MANAGEMENT OPC9,984

AS152584#29 IVAN-US - Infinivan Incorporated9,984

AS9821#30 DOST-PH-AP - Department of Science and Technology9,216

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