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Autonomous System

AS54538

PALO ALTO NETWORKS

Announced IPs
7,168
CIDR prefixes
22
ASN
AS54538

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 →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
66.232.36.0/23 512
0.2%
PALO ALTO NETWORKS US
165.85.144.0/23 512
0.0%
PALO ALTO NETWORKS US
165.85.250.0/23 512
0.0%
PALO ALTO NETWORKS US
169.224.130.0/23 512
0.0%
PALO ALTO NETWORKS US
193.110.180.0/23 512
0.0%
PALO ALTO NETWORKS NL
199.167.52.0/23 512
0.6%
PALO ALTO NETWORKS US California San Jose
65.154.226.0/24 256
0.4%
PALO ALTO NETWORKS US Utah St. George
65.155.38.0/24 256
0.0%
PALO ALTO NETWORKS US
66.232.34.0/24 256
0.0%
PALO ALTO NETWORKS US
66.232.37.0/24 256
0.0%
JP Tokyo Tokyo
66.232.40.0/24 256
0.0%
PALO ALTO NETWORKS US
70.42.131.0/24 256
0.4%
PALO ALTO NETWORKS US
72.165.69.0/24 256
0.0%
PALO ALTO NETWORKS US
74.201.127.0/24 256
8.2%
PALO ALTO NETWORKS US
144.125.105.0/24 256
0.0%
PALO ALTO NETWORKS US
147.185.136.0/24 256
0.0%
PALO ALTO NETWORKS US
154.59.123.0/24 256
0.4%
PALO ALTO NETWORKS US
154.59.126.0/24 256
0.4%
PALO ALTO NETWORKS US
165.85.149.0/24 256
0.0%
PALO ALTO NETWORKS US
165.85.151.0/24 256
0.0%
PALO ALTO NETWORKS US
165.85.252.0/24 256
0.0%
PALO ALTO NETWORKS US
169.224.138.0/24 256
0.0%
PALO ALTO NETWORKS US
202.189.133.0/24 256
0.4%
PALO ALTO NETWORKS SG
66.232.36.0/25 128
0.0%
SG
66.232.36.128/25 128
0.0%
US
165.85.252.0/25 128
0.0%
SG
165.85.252.128/28 16
0.0%
KH Phnom Penh Phnom Penh
165.85.252.144/28 16
0.0%
MY Kuala Lumpur Kuala Lumpur
165.85.252.160/28 16
0.0%
MM Yangon Yangon
165.85.252.176/28 16
0.0%
PH Metro Manila Quezon City
165.85.252.192/28 16
0.0%
TH Bangkok Bangkok
165.85.252.208/28 16
0.0%
VN Ho Chi Minh Ho Chi Minh City
165.85.252.224/28 16
0.0%
LK Western Province Colombo
165.85.252.240/28 16
0.0%
PK Islamabad Islamabad

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS54538 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
165.85.149.0/24 34,471 2026-07-18 10:53:02
165.85.250.0/23 32,735 2026-07-18 10:53:02
147.185.136.0/24 32,641 2026-07-18 10:53:02
66.232.34.0/24 20,182 2026-07-18 10:53:02
199.167.52.0/24 10,845 2026-07-18 10:52:29
74.201.127.0/24 10,260 2026-07-18 10:52:01
70.42.131.0/24 10,055 2026-07-18 10:52:05
193.110.181.0/24 9,445 2026-07-18 10:52:32
193.110.180.0/24 9,371 2026-07-18 10:52:32
199.167.53.0/24 8,456 2026-07-18 10:52:34
65.154.226.0/24 7,663 2026-07-18 10:52:05
72.165.69.0/24 7,620 2026-07-18 10:52:05
154.59.126.0/24 6,764 2026-07-18 10:52:29
66.232.40.0/24 6,470 2026-07-18 10:52:01
65.155.38.0/24 5,271 2026-07-18 10:52:05
66.232.36.0/24 5,238 2026-07-18 10:52:03
202.189.133.0/24 5,047 2026-07-18 10:52:31
66.232.37.0/24 3,626 2026-07-18 10:52:07
169.224.130.0/24 3,410 2026-07-18 10:52:32
169.224.138.0/24 3,404 2026-07-18 10:52:32
169.224.131.0/24 3,401 2026-07-18 10:52:32
165.85.151.0/24 3,391 2026-07-18 10:52:32
165.85.252.0/24 3,389 2026-07-18 10:52:32
165.85.144.0/24 3,385 2026-07-18 10:52:32
165.85.145.0/24 3,373 2026-07-18 10:52:32
144.125.105.0/24 3,366 2026-07-18 10:52:32
154.59.123.0/24 3,180 2026-07-18 10:52:26

Frequently Asked Questions

What is AS54538?

AS54538 is an Autonomous System Number assigned to PALO ALTO NETWORKS. 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 AS54538 announce?

AS54538 announces 7.2K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in United States.

Who operates AS54538?

AS54538 is operated by PALO ALTO NETWORKS. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS54538 registered in?

AS54538 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 11:25:31 UTC
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