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Autonomous System

AS18973

TAG Online Inc.

Announced IPs
1,536
CIDR prefixes
2
ASN
AS18973

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
207.111.76.0/22 1.0K
69.3%
TAG Online Inc. US
198.138.68.0/23 512
33.4%
TAG Online Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18973 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
207.111.76.0/22 6,288 2026-08-03 20:30:03
198.138.69.0/24 6,238 2026-08-03 20:30:03
198.138.68.0/23 6,214 2026-08-03 20:30:03
198.138.68.0/24 6,077 2026-08-03 20:30:03

Frequently Asked Questions

What is AS18973?

AS18973 is an Autonomous System Number assigned to TAG Online Inc.. 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 AS18973 announce?

AS18973 announces 1.5K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS18973?

AS18973 is operated by TAG Online Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS18973 registered in?

AS18973 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 21:12:03 UTC
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