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Autonomous System

AS26353

REALNETWORKS LLC

Announced IPs
512
CIDR prefixes
1
ASN
AS26353

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.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

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

About RealNetworks

RealNetworks LLC is an American technology company and provider of Internet streaming media delivery software and services based in Seattle, Washington. The company also provides subscription-based online entertainment services and mobile entertainment and messaging services.

Founded
1993
Headquarters
Seattle
Industry
software industry

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
207.188.30.0/23 512
15.8%
REALNETWORKS LLC US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS26353 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
207.188.30.0/23 9,881 2026-08-03 20:03:33

Frequently Asked Questions

What is AS26353?

AS26353 is an Autonomous System Number assigned to REALNETWORKS LLC. 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 AS26353 announce?

AS26353 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS26353?

AS26353 is operated by REALNETWORKS LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS26353 registered in?

AS26353 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: 2026-08-03 20:12:01 UTC
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