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Autonomous System

AS134997

YFNET

Announced IPs
256
CIDR prefixes
1
ASN
AS134997

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
103.155.202.0/24 256
0.0%
YFNET TW

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS134997 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.155.202.0/24 15,534 2026-07-23 20:35:45

Frequently Asked Questions

What is AS134997?

AS134997 is an Autonomous System Number assigned to YFNET. 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 AS134997 announce?

AS134997 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Taiwan.

Who operates AS134997?

AS134997 is operated by YFNET. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.

What country is AS134997 registered in?

AS134997 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 21:10:33 UTC
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