Skip to main content
Autonomous System

AS18543

ION MEDIA NETWORKS

Announced IPs
256
CIDR prefixes
1
ASN
AS18543

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
38.98.100.0/24 256
0.8%
ION MEDIA NETWORKS US New York New York

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18543 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
38.98.100.0/24 15,199 2026-07-28 07:56:39

Frequently Asked Questions

What is AS18543?

AS18543 is an Autonomous System Number assigned to ION MEDIA NETWORKS. 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 AS18543 announce?

AS18543 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS18543?

AS18543 is operated by ION MEDIA NETWORKS. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS18543 registered in?

AS18543 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-28 07:55:31 UTC
Share