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Autonomous System

AS133166

PT Pertamina (Persero)

Announced IPs
768
CIDR prefixes
2
ASN
AS133166

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

CIDRIPsPTR DensityOrganizationCountryStateCity
202.20.106.0/23 512
10.0%
PT Pertamina Persero ID
202.20.109.0/24 256
0.4%
PT Pertamina Persero ID

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS133166 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
202.20.107.0/24 16,012 2026-08-01 13:00:47
202.20.106.0/24 11,668 2026-08-01 12:55:28
202.20.109.0/24 5,900 2026-08-01 11:55:12

Frequently Asked Questions

What is AS133166?

AS133166 is an Autonomous System Number assigned to PT Pertamina (Persero). 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 AS133166 announce?

AS133166 announces 768 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Indonesia.

Who operates AS133166?

AS133166 is operated by PT Pertamina Persero. The organization is based in Indonesia. You can view all IP ranges and related ASNs on the organization page.

What country is AS133166 registered in?

AS133166 is registered in Indonesia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-01 13:10:30 UTC
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