Skip to main content
Autonomous System

AS3373

Verizon Business

Announced IPs
8,192
CIDR prefixes
1
ASN
AS3373

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 Verizon

Verizon Communications, Inc. is an American telecommunications company headquartered in New York City.

Founded
1983
Headquarters
New York City
Industry
telecommunications
Employees
177,700

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
153.39.64.0/19 8.2K
5.2%
Verizon Business US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3373 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
153.39.64.0/19 4,157 2026-07-31 17:02:47
146.1.128.0/20 1,759 2026-06-03 01:54:23

Frequently Asked Questions

What is AS3373?

AS3373 is an Autonomous System Number assigned to Verizon Business. 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 AS3373 announce?

AS3373 announces 8.2K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS3373?

AS3373 is operated by Verizon Business. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS3373 registered in?

AS3373 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: 2026-07-31 18:10:31 UTC
Share