Skip to main content
Autonomous System

AS398256

Ultahost, Inc.

Announced IPs
2,304
CIDR prefixes
8
ASN
AS398256

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
192.142.48.0/23 512
0.8%
Ultahost, Inc. ZA
67.210.97.0/24 256
0.4%
Ultahost, Inc. US
96.62.77.0/24 256
0.0%
Ultahost, Inc. US
104.145.210.0/24 256
5.1%
Ultahost, Inc. US New York New York
151.241.99.0/24 256
12.1%
Ultahost, Inc. AE
185.233.166.0/24 256
9.4%
Ultahost, Inc. DE
202.155.8.0/24 256
9.0%
Ultahost, Inc. ID
213.139.77.0/24 256
2.3%
Ultahost, Inc. DE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS398256 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.233.166.0/24 12,119 2026-07-18 11:01:24
192.142.49.0/24 5,460 2026-07-18 10:53:04
96.62.77.0/24 4,126 2026-07-13 06:46:22
67.210.97.0/24 3,375 2026-07-18 12:00:03
151.241.99.0/24 3,308 2026-07-18 12:00:03
104.145.210.0/24 3,267 2026-07-18 12:00:03
202.155.8.0/24 3,246 2026-07-18 12:00:03
213.139.77.0/24 3,213 2026-07-18 12:00:03
192.142.48.0/24 3,212 2026-07-18 12:00:03

Frequently Asked Questions

What is AS398256?

AS398256 is an Autonomous System Number assigned to Ultahost, 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 AS398256 announce?

AS398256 announces 2.3K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in United States.

Who operates AS398256?

AS398256 is operated by Ultahost, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS398256 registered in?

AS398256 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: 2026-07-18 12:40:28 UTC
Share