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Autonomous System

AS20021

Ntirety, Inc.

Announced IPs
241,152
CIDR prefixes
20
ASN
AS20021

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.

69/100
Moderate
How this score is built

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

Network profile

Source: PeeringDB →
Network type Content
Geographic scope North America
Traffic ratio Mostly Outbound
Peering policy No
IRR record AS20021:AS-ALL

Present at 3 internet exchanges: Equinix Ashburn, Equinix Dallas, Equinix Chicago

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20021 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
66.36.191.0/24 19,811 2026-09-11 17:47:47
72.4.160.0/20 19,784 2026-09-11 17:47:47
67.59.128.0/18 19,727 2026-09-11 17:47:47
76.12.92.0/24 19,701 2026-09-11 17:47:47
66.241.192.0/18 19,693 2026-09-11 17:47:47
76.12.0.0/16 19,666 2026-09-11 17:47:47
65.36.128.0/17 19,629 2026-09-11 17:47:47
204.12.96.0/19 17,337 2026-09-11 17:49:04
65.182.192.0/19 17,331 2026-09-11 17:47:47
204.12.0.0/18 17,315 2026-09-11 17:49:04
209.41.160.0/19 16,903 2026-09-11 17:49:04
208.112.0.0/17 16,783 2026-09-11 17:49:04
173.239.96.0/19 16,339 2026-09-11 17:48:23
204.12.76.0/24 15,000 2026-09-11 17:49:04
204.12.64.0/19 14,979 2026-09-11 17:49:04
199.231.128.0/20 14,695 2026-09-11 17:49:04
199.231.144.0/22 14,695 2026-09-11 17:49:04
209.216.40.0/23 14,495 2026-09-11 17:49:04
209.216.44.0/23 14,467 2026-09-11 17:49:04
216.248.192.0/20 14,340 2026-09-11 17:49:04
209.164.56.0/21 14,286 2026-09-11 17:49:04
216.74.56.0/21 14,241 2026-09-11 17:49:04
216.74.36.0/24 14,233 2026-09-11 17:49:04
216.74.48.0/22 14,226 2026-09-11 17:49:04

Frequently Asked Questions

What is AS20021?

AS20021 is an Autonomous System Number assigned to Ntirety, 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 AS20021 announce?

AS20021 announces 241.2K IPv4 addresses distributed across 20 routed CIDR prefixes. The network is registered in United States.

Who operates AS20021?

AS20021 is operated by Ntirety, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS20021 registered in?

AS20021 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: 2026-09-11 17:56:08 UTC
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