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Autonomous System

AS133458

FPT Smart Cloud Japan Co., Ltd

Announced IPs
1,024
CIDR prefixes
2
ASN
AS133458

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 →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
161.248.2.0/23 512
0.0%
FPT Smart Cloud Japan Co., Ltd JP
209.131.124.0/23 512
0.0%
FPT Smart Cloud Japan Co., Ltd JP

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS133458 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
161.248.3.0/24 8,780 2026-08-05 00:33:05
209.131.125.0/24 8,771 2026-08-05 00:33:35
209.131.124.0/24 7,582 2026-08-05 00:33:35
209.131.124.0/23 5,423 2026-08-05 00:33:35
161.248.2.0/24 5,373 2026-08-05 00:33:05
161.248.2.0/23 5,361 2026-08-05 00:33:05

Frequently Asked Questions

What is AS133458?

AS133458 is an Autonomous System Number assigned to FPT Smart Cloud Japan Co., Ltd. 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 AS133458 announce?

AS133458 announces 1.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Japan.

Who operates AS133458?

AS133458 is operated by FPT Smart Cloud Japan Co., Ltd. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS133458 registered in?

AS133458 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-05 02:55:31 UTC
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