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WorldIP.io
Autonomous System

AS399521

BNS

Announced IPs
2,304
CIDR prefixes
3
ASN
AS399521

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Network Services
Traffic level 20-50Gbps
Geographic scope North America
Traffic ratio Balanced
Peering policy Open
IRR record RADB::AS399521:AS-ALL

Present at 2 internet exchanges: Equinix Dallas, DE-CIX Dallas: DE-CIX Dallas Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
172.98.8.0/22 1.0K
0.0%
BNS US Texas Carrollton
192.92.236.0/22 1.0K
1.4%
BNS US Texas Dallas
38.108.9.0/24 256
0.4%
BNS US Texas Houston

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS399521 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.92.237.0/24 36,167 2026-11-13 15:57:18
192.92.239.0/24 36,116 2026-11-13 15:57:18
172.98.8.0/24 34,894 2026-11-13 15:57:18
172.98.10.0/24 34,484 2026-11-13 15:57:18
192.92.238.0/24 34,454 2026-11-13 15:57:18
192.92.236.0/24 34,257 2026-11-13 15:57:18
38.108.9.0/24 32,662 2026-11-13 15:51:09
192.92.236.0/22 8,972 2026-11-13 15:57:18
172.98.8.0/22 8,479 2026-11-13 15:57:18
216.130.253.0/24 5 2026-05-29 17:58:49
206.126.52.0/24 5 2026-05-29 17:58:49

Frequently Asked Questions

What is AS399521?

AS399521 is an Autonomous System Number assigned to BNS. 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 AS399521 announce?

AS399521 announces 2.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS399521?

AS399521 is operated by BNS. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS399521 registered in?

AS399521 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: 2026-11-13 15:54:05 UTC
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