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Autonomous System

AS393737

Cpuonsite

Announced IPs
13,310
CIDR prefixes
42
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 v1.2.0 — 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%
Cpuonsite 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%
Cpuonsite 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
208.76.216.0/22 1.0K
0.0%
Cpuonsite US
38.68.16.0/23 512
0.0%
Cpuonsite US Texas Amarillo
38.134.4.0/23 512
0.0%
Cpuonsite US Texas Dallas
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 Texas Dallas
38.134.18.0/24 256
0.0%
Cpuonsite US Texas Amarillo
38.141.20.0/24 256
0.0%
Cpuonsite US Texas Amarillo
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 Amarillo
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 Amarillo
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 Amarillo
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 Amarillo
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 Amarillo
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 Amarillo
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 Amarillo
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 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
208.76.216.0/22 546,302 2026-09-11 09:02:31
38.141.31.0/24 96,961 2026-09-11 09:05:30
38.141.19.0/24 81,711 2026-09-11 08:21:49
38.141.24.0/24 68,811 2026-09-11 08:21:49
38.141.20.0/24 67,082 2026-09-11 08:21:49
38.141.23.0/24 62,337 2026-09-11 08:21:49
38.68.19.0/24 59,980 2026-09-11 08:21:32
38.68.18.0/24 58,756 2026-09-11 08:21:32
38.65.84.0/22 58,689 2026-09-11 08:21:32
38.141.18.0/24 57,914 2026-09-11 08:21:32
38.141.30.0/24 57,533 2026-09-11 08:21:32
38.134.6.0/24 57,433 2026-09-11 08:21:32
139.64.252.0/22 56,319 2026-09-11 08:23:12
38.134.20.0/22 52,812 2026-09-11 08:21:32
165.140.28.0/22 52,615 2026-09-11 08:23:12
38.92.0.0/22 50,709 2026-09-11 08:21:32
38.68.16.0/24 27,742 2026-09-11 08:21:32
38.141.16.0/24 27,663 2026-09-11 08:21:49
38.141.22.0/24 27,375 2026-09-11 08:21:32
38.141.17.0/24 27,306 2026-09-11 08:21:32
38.141.29.0/24 27,231 2026-09-11 08:21:32
38.141.28.0/24 27,207 2026-09-11 08:21:32
38.68.17.0/24 27,184 2026-09-11 08:21:32
38.141.27.0/24 27,160 2026-09-11 08:21:32
38.141.25.0/24 27,138 2026-09-11 08:21:32
38.141.26.0/24 27,126 2026-09-11 08:21:32
38.134.5.0/24 25,829 2026-09-11 08:21:32
38.134.4.0/24 25,778 2026-09-11 08:21:32
23.152.216.0/24 25,706 2026-09-11 08:21:32
38.134.16.0/22 25,130 2026-09-11 08:21:32
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 13.3K IPv4 addresses distributed across 42 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: 2026-09-11 09:26:07 UTC
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