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Autonomous System

AS393737

Cpuonsite

Announced IPs
13,566
CIDR prefixes
31
ASN
AS393737

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 NSP
Traffic level 10-20Gbps
Geographic scope North America
Traffic ratio Heavy Inbound
Peering policy Open

Present at 1 internet exchange: DE-CIX Dallas: DE-CIX Dallas Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
38.141.16.0/20 4.1K
0.0%
Cpuonsite US Texas Amarillo
38.134.16.0/21 2.0K
0.0%
Cpuonsite US Texas Amarillo
38.141.24.0/21 2.0K
0.0%
Cpuonsite US Texas Sunray
38.65.84.0/22 1.0K
0.0%
Cpuonsite US Texas Dumas
38.68.16.0/22 1.0K
0.0%
Cpuonsite US Texas Borger
38.92.0.0/22 1.0K
0.0%
Cpuonsite US Texas Amarillo
38.134.4.0/22 1.0K
0.0%
Cpuonsite US Texas Dallas
38.134.20.0/22 1.0K
0.0%
Cpuonsite US Texas Olton
38.141.16.0/22 1.0K
0.0%
Cpuonsite US Texas Amarillo
139.64.252.0/22 1.0K
0.0%
Cpuonsite US Texas Dumas
165.140.28.0/22 1.0K
0.0%
Cpuonsite US Oklahoma Weatherford
208.76.216.0/22 1.0K
0.0%
Cpuonsite US Texas Dumas
38.134.16.0/23 512
0.0%
Cpuonsite US Texas Amarillo
38.141.22.0/23 512
0.0%
Cpuonsite US Texas Cactus
23.152.216.0/24 256
0.0%
Cpuonsite US Texas Dumas
38.134.18.0/24 256
0.0%
Cpuonsite US Texas Amarillo
38.141.21.0/24 256
0.0%
Cpuonsite US Texas Amarillo
38.134.19.128/25 128
0.0%
Cpuonsite US Texas Amarillo
38.141.20.128/25 128
0.0%
Cpuonsite US Texas Amarillo
38.134.19.64/26 64
0.0%
Cpuonsite US Texas Amarillo
38.141.20.64/26 64
0.0%
Cpuonsite US Texas Amarillo
38.134.19.32/27 32
0.0%
Cpuonsite US Texas Amarillo
38.141.20.32/27 32
0.0%
Cpuonsite US Texas Amarillo
38.134.19.16/28 16
0.0%
Cpuonsite US Texas Amarillo
38.141.20.16/28 16
0.0%
Cpuonsite US Texas Amarillo
38.134.19.8/29 8
0.0%
Cpuonsite US Texas Amarillo
38.141.20.8/29 8
0.0%
Cpuonsite US Texas Amarillo
38.134.19.0/30 4
0.0%
Cpuonsite US Texas Amarillo
38.141.20.0/30 4
0.0%
Cpuonsite US Texas Amarillo
38.134.19.6/31 2
0.0%
Cpuonsite US Texas Amarillo
38.141.20.6/31 2
0.0%
Cpuonsite US Texas Amarillo
38.134.19.4/32 1
0.0%
Cpuonsite US Texas Amarillo
38.141.20.5/32 1
0.0%
Cpuonsite US Texas Amarillo

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS393737 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
208.76.216.0/22 1,247,233 2026-11-14 11:00:24
139.64.252.0/22 527,436 2026-11-14 11:00:24
165.140.28.0/22 526,457 2026-11-14 11:00:24
38.141.19.0/24 515,990 2026-11-14 10:59:21
38.141.20.0/24 500,289 2026-11-14 10:59:21
38.141.23.0/24 495,978 2026-11-14 10:59:21
38.141.24.0/24 494,775 2026-11-14 10:59:21
38.92.0.0/22 479,429 2026-11-14 11:00:24
38.65.84.0/22 478,673 2026-11-14 11:00:24
38.134.20.0/22 477,814 2026-11-14 11:00:24
38.134.17.0/24 458,044 2026-11-14 11:00:24
38.141.16.0/24 453,012 2026-11-14 10:59:21
38.134.16.0/22 451,759 2026-11-14 11:00:24
38.65.84.0/24 441,142 2026-11-14 11:00:24
38.134.7.0/24 441,094 2026-11-14 11:00:24
38.134.16.0/24 435,155 2026-11-14 11:00:24
38.68.16.0/22 429,016 2026-11-14 11:00:24
38.141.16.0/20 428,097 2026-11-14 11:00:24
38.134.4.0/22 426,824 2026-11-14 11:00:24
38.141.31.0/24 220,651 2026-11-14 10:59:21
38.68.19.0/24 63,792 2026-10-08 07:08:37
38.68.18.0/24 62,576 2026-10-08 07:08:37
38.141.18.0/24 61,797 2026-10-08 07:08:37
38.141.30.0/24 61,353 2026-10-08 07:08:37
38.134.6.0/24 61,251 2026-10-08 07:08:37
23.152.216.0/24 33,479 2026-10-08 08:15:18
38.68.16.0/24 31,562 2026-10-08 07:08:37
38.141.22.0/24 31,223 2026-10-08 07:08:37
38.141.17.0/24 31,134 2026-10-08 07:08:37
38.141.29.0/24 31,045 2026-10-08 07:08:37
38.141.28.0/24 31,032 2026-10-08 07:08:37
38.68.17.0/24 31,005 2026-10-08 07:08:37
38.141.27.0/24 30,979 2026-10-08 07:08:37
38.141.25.0/24 30,956 2026-10-08 07:08:37
38.141.26.0/24 30,942 2026-10-08 07:08:37
38.134.5.0/24 29,650 2026-10-08 07:08:37
38.134.4.0/24 29,592 2026-10-08 07:08:37

Frequently Asked Questions

What is AS393737?

AS393737 is an Autonomous System Number assigned to Cpuonsite. 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 AS393737 announce?

AS393737 announces 13.6K IPv4 addresses distributed across 31 routed CIDR prefixes. The network is registered in United States.

Who operates AS393737?

AS393737 is operated by Cpuonsite. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS393737 registered in?

AS393737 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: 2026-11-14 11:09:05 UTC
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