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Autonomous System

AS397575

Ascension Technologies

Announced IPs
30,976
CIDR prefixes
30
ASN
AS397575

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
199.250.64.0/19 8.2K
0.0%
Ascension Technologies US Wisconsin Milwaukee
64.29.240.0/20 4.1K
0.0%
Ascension Technologies US Maryland Baltimore
198.186.80.0/20 4.1K
0.0%
Ascension Technologies US
198.186.96.0/20 4.1K
0.0%
Ascension Technologies US
199.250.96.0/20 4.1K
0.0%
Ascension Technologies US
198.186.72.0/21 2.0K
0.0%
Ascension Technologies US
198.186.112.0/21 2.0K
0.0%
Ascension Technologies US
199.250.88.0/21 2.0K
0.0%
Ascension Technologies US
199.250.104.0/21 2.0K
0.0%
Ascension Technologies US
199.250.120.0/21 2.0K
0.0%
Ascension Technologies US
64.29.244.0/22 1.0K
0.0%
Ascension Technologies US
64.29.252.0/22 1.0K
0.0%
Ascension Technologies US
199.47.20.0/22 1.0K
0.0%
Ascension Technologies US
199.47.28.0/22 1.0K
0.0%
Ascension Technologies US
199.250.76.0/22 1.0K
0.0%
Ascension Technologies US
199.250.84.0/22 1.0K
0.0%
Ascension Technologies US
199.250.112.0/22 1.0K
0.0%
Ascension Technologies US
64.29.242.0/23 512
0.0%
Ascension Technologies US
64.29.248.0/23 512
0.0%
Ascension Technologies US
199.4.216.0/23 512
0.0%
Ascension Technologies US Oklahoma Tulsa
199.47.24.0/23 512
0.0%
Ascension Technologies US
199.250.70.0/23 512
0.0%
Ascension Technologies US
199.250.72.0/23 512
0.0%
Ascension Technologies US
199.250.82.0/23 512
0.0%
Ascension Technologies US
199.250.102.0/23 512
0.0%
Ascension Technologies US
199.250.116.0/23 512
0.0%
Ascension Technologies US
64.29.241.0/24 256
0.0%
Ascension Technologies US
64.29.251.0/24 256
0.0%
Ascension Technologies US
199.47.17.0/24 256
0.0%
Ascension Technologies US
199.47.19.0/24 256
0.0%
Ascension Technologies US
199.47.29.0/24 256
0.0%
Ascension Technologies US
199.47.31.0/24 256
0.0%
Ascension Technologies US
199.250.64.0/24 256
0.0%
Ascension Technologies US
199.250.74.0/24 256
0.8%
Ascension Technologies US
199.250.101.0/24 256
0.0%
Ascension Technologies US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS397575 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
64.29.240.0/20 3,622 2026-07-24 20:28:27
198.186.64.0/18 3,526 2026-07-24 20:28:27
199.4.216.0/23 3,516 2026-07-24 20:28:27
199.250.64.0/18 3,515 2026-07-24 20:28:27
199.47.16.0/20 3,511 2026-07-24 20:28:27

Frequently Asked Questions

What is AS397575?

AS397575 is an Autonomous System Number assigned to Ascension Technologies. 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 AS397575 announce?

AS397575 announces 31.0K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in United States.

Who operates AS397575?

AS397575 is operated by Ascension Technologies. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS397575 registered in?

AS397575 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: 2026-07-25 00:25:32 UTC
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