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AS54538PALO ALTO NETWORKS

United StatesRegistryARIN

As of 23rd October 2026, AS54538 (PALO ALTO NETWORKS), a network registered in the United States with ARIN, originates 27 IPv4 prefixes covering 7.2k addresses and 7 IPv6 prefixes. By IPv4 address space that makes it the 13,031st-largest of the 79,658 networks we see originating IPv4, and the 3,803rd-largest of 18,483 in the United States. It is seen behind 12 upstream networks, most often AS15830 (Equinix, Inc.) and AS6461 (Zayo Bandwidth). 59% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

27

IPv6 prefixes

7

IPv4 addresses

7.2k

IPv6 /64s

1.4M

Upstream graph

The networks AS54538 is seen behind, one and two hops out, drawn from real AS paths.

AS54538Toward the internet core
Upstream graph for AS54538: 10 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS54538PALO ALTO NETWORKSThis networkAS1680Cellcom Fixed Lin…AS3356Lumen (Level 3)AS6461Zayo BandwidthAS12182Unitas GlobalAS15830Equinix, Inc.AS3549Lumen (fka. Globa…AS1299Arelion (fka. Tel…AS32590Valve CorporationAS2914NTT America, Inc.AS1828PacketFabric / Un…

Networks observed one and two hops upstream of AS54538 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

24

adjacent networks

Upstreams
1250%
Peers
1250%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS54538
NetworkCountryRelationshipPathsVantage pts
AS15830Equinix, Inc.NLPeer679140
AS6461Zayo BandwidthUSPeer48777
AS1680Cellcom Fixed Line Communication L.PILPeer381138
AS12182Unitas GlobalUSPeer263140
AS3356Lumen (Level 3)USPeer20874
AS3910Lumen (ex Qwest Europe)USPeer15076
AS8220COLTGBPeer14673
AS209Lumen (ex. Qwest)USPeer8972
AS21859Zenlayer IncUSPeer7777
AS12849Hot-Net internet services Ltd.ILPeer2519

Prefixes

All 34

The largest blocks AS54538 originates, widest first.

Largest prefixes originated by AS54538
PrefixAddressesVisibility
165.85.250.0/2351277/77
65.154.226.0/2425677/77
65.155.38.0/2425677/77
66.232.34.0/2425677/77
66.232.36.0/2425677/77
66.232.37.0/2425677/77
66.232.40.0/2425677/77
70.42.131.0/2425677/77
72.165.69.0/2425677/77
74.201.127.0/2425677/77

Routing health

How AS54538's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid58.8%20
  • Invalid0.0%0
  • No ROA41.2%14

Propagation

  • Globally propagated90% of full-feed peers or more100.0%34
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 27 prefixes

IPv6 — 7 prefixes

  • /441M × /6414.3%1
  • /4865.5k × /6485.7%6

Recent changes

Announcements that started or stopped since 24th Sept 2026.

No announcement by AS54538 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.