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Autonomous System

AS3550

Philippine Network Foundation, Inc (PHNet)

Announced IPs
30,720
CIDR prefixes
4
ASN
AS3550

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3550 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
165.220.16.0/21 69,345 2026-07-24 05:39:20
165.220.0.0/21 27,126 2026-07-24 04:18:18
165.220.32.0/19 26,984 2026-07-24 04:18:18
165.220.64.0/18 26,984 2026-07-24 04:18:18
165.220.24.0/21 26,355 2026-07-24 04:18:18

Frequently Asked Questions

What is AS3550?

AS3550 is an Autonomous System Number assigned to Philippine Network Foundation, Inc (PHNet). An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS3550 announce?

AS3550 announces 30.7K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Philippines.

Who operates AS3550?

AS3550 is operated by Philippine Network Foundation, Inc PHNet. The organization is based in Philippines. You can view all IP ranges and related ASNs on the organization page.

What country is AS3550 registered in?

AS3550 is registered in Philippines. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 05:40:31 UTC
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