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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 v1.2.1 — 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
0.8%
PALO ALTO NETWORKS US California Milpitas
65.154.226.0/24 256
0.4%
PALO ALTO NETWORKS US Illinois Evanston
65.155.38.0/24 256
0.0%
PALO ALTO NETWORKS US — —
66.232.34.0/24 256
0.0%
PALO ALTO NETWORKS US — —
66.232.36.0/24 256
0.4%
PALO ALTO NETWORKS SG — —
66.232.37.0/24 256
0.0%
PALO ALTO NETWORKS JP Tokyo Tokyo
66.232.40.0/24 256
98.4%
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
9.8%
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 — —
165.85.252.0/25 128
0.0%
PALO ALTO NETWORKS SG — —
165.85.252.128/28 16
0.0%
PALO ALTO NETWORKS KH Phnom Penh Phnom Penh
165.85.252.144/28 16
0.0%
PALO ALTO NETWORKS MY Kuala Lumpur Kuala Lumpur
165.85.252.160/28 16
0.0%
PALO ALTO NETWORKS MM Yangon Yangon
165.85.252.176/28 16
0.0%
PALO ALTO NETWORKS PH Metro Manila Quezon City
165.85.252.192/28 16
0.0%
PALO ALTO NETWORKS TH Bangkok Bangkok
165.85.252.208/28 16
0.0%
PALO ALTO NETWORKS VN Ho Chi Minh Ho Chi Minh City
165.85.252.224/28 16
0.0%
PALO ALTO NETWORKS LK Western Province Colombo
165.85.252.240/28 16
0.0%
PALO ALTO NETWORKS 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
154.59.123.0/24 145,215 2026-10-13 23:09:11
165.85.149.0/24 93,019 2026-10-13 22:48:28
165.85.250.0/23 91,268 2026-10-13 22:48:28
147.185.136.0/24 91,211 2026-10-13 22:48:28
66.232.34.0/24 71,575 2026-10-13 22:44:25
70.42.131.0/24 36,016 2026-10-13 22:01:31
199.167.52.0/24 34,439 2026-10-13 23:09:56
193.110.181.0/24 31,309 2026-10-13 22:58:24
193.110.180.0/24 31,207 2026-10-13 22:58:24
74.201.127.0/24 30,906 2026-10-13 22:01:31
199.167.53.0/24 20,986 2026-10-13 20:48:41
65.154.226.0/24 20,912 2026-10-13 20:48:36
72.165.69.0/24 18,550 2026-10-13 20:48:36
65.155.38.0/24 17,155 2026-10-13 22:28:07
165.85.252.0/24 15,065 2026-10-13 22:28:36
165.85.151.0/24 15,059 2026-10-13 22:28:36
154.59.126.0/24 14,928 2026-10-13 23:08:41
144.125.105.0/24 14,840 2026-10-13 22:28:36
169.224.130.0/24 14,839 2026-10-13 22:28:36
169.224.138.0/24 14,809 2026-10-13 22:28:36
169.224.131.0/24 14,791 2026-10-13 22:28:36
165.85.144.0/24 14,769 2026-10-13 22:28:36
165.85.145.0/24 14,759 2026-10-13 22:28:36
66.232.40.0/24 14,566 2026-10-13 23:08:41
66.232.36.0/24 13,980 2026-10-13 22:27:54
202.189.133.0/24 13,297 2026-10-13 22:28:24
66.232.37.0/24 11,185 2026-10-13 20:48:36

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: 2026-10-13 23:09:05 UTC
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