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Autonomous System

AS393737

Cpuonsite

Announced IPs
12,286
CIDR prefixes
41
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 v1.1.0 — 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
38.134.16.0/21 2.0K
0.0%
US Texas Amarillo
38.141.24.0/21 2.0K
0.0%
Cpuonsite US Texas Amarillo
38.65.84.0/22 1.0K
0.0%
Cpuonsite US Texas Dumas
38.68.16.0/22 1.0K
0.0%
US Texas Amarillo
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 Cactus
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
38.68.16.0/23 512
0.0%
Cpuonsite US Texas Amarillo
38.134.4.0/23 512
0.0%
Cpuonsite US
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
38.68.18.0/24 256
0.0%
Cpuonsite US Texas Amarillo
38.134.6.0/24 256
0.0%
Cpuonsite US
38.134.18.0/24 256
0.0%
Cpuonsite US Texas Amarillo
38.141.20.0/24 256
0.0%
Cpuonsite US Texas Cactus
38.68.19.0/25 128
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 Cactus
38.68.19.192/26 64
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 Cactus
38.68.19.160/27 32
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 Cactus
38.68.19.144/28 16
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 Cactus
38.68.19.136/29 8
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 Cactus
38.68.19.128/30 4
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 Cactus
38.68.19.132/31 2
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 Cactus
38.68.19.134/32 1
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 Cactus

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
38.141.31.0/24 82,162 2026-07-20 09:18:38
38.141.19.0/24 65,536 2026-07-20 07:43:26
38.141.24.0/24 57,068 2026-07-20 07:43:26
38.141.20.0/24 51,457 2026-07-20 07:43:26
38.141.23.0/24 48,784 2026-07-20 07:43:26
38.65.84.0/22 48,394 2026-07-20 07:43:25
38.68.19.0/24 48,130 2026-07-20 07:43:25
38.68.18.0/24 46,876 2026-07-20 07:43:25
139.64.252.0/22 46,186 2026-07-20 07:44:32
38.141.18.0/24 46,075 2026-07-20 07:43:25
38.141.30.0/24 45,710 2026-07-20 07:43:25
38.134.6.0/24 45,623 2026-07-20 07:43:25
165.140.28.0/22 42,517 2026-07-20 07:44:32
38.134.20.0/22 42,501 2026-07-20 07:43:25
38.92.0.0/22 40,422 2026-07-20 07:43:25
38.141.16.0/24 15,903 2026-07-20 07:43:26
38.68.16.0/24 15,885 2026-07-20 07:43:25
38.141.22.0/24 15,487 2026-07-20 07:43:25
38.141.17.0/24 15,477 2026-07-20 07:43:25
38.141.29.0/24 15,415 2026-07-20 07:43:25
38.141.28.0/24 15,345 2026-07-20 07:43:25
38.141.27.0/24 15,334 2026-07-20 07:43:25
38.68.17.0/24 15,330 2026-07-20 07:43:25
38.141.25.0/24 15,305 2026-07-20 07:43:25
38.141.26.0/24 15,282 2026-07-20 07:43:25
38.134.16.0/22 14,844 2026-07-20 07:43:25
38.134.5.0/24 13,997 2026-07-20 07:43:25
38.134.4.0/24 13,975 2026-07-20 07:43:25
23.152.216.0/24 13,758 2026-07-20 07:43:25
38.134.7.0/24 2,194 2026-07-15 14:10:08
38.65.84.0/24 2,180 2026-07-15 14:10:08
38.134.16.0/24 2,177 2026-07-15 14:10:08

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 12.3K IPv4 addresses distributed across 41 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: 2026-07-20 09:55:31 UTC
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