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AS396922Cisco Systems, Inc.

United StatesRegistryARIN

As of 10th November 2026, AS396922 (Cisco Systems, Inc.), a network registered in the United States with ARIN, originates 10 IPv4 prefixes covering 2.6k addresses and 10 IPv6 prefixes. By IPv4 address space that makes it the 23,457th-largest of the 80,733 networks we see originating IPv4, and the 5,882nd-largest of 18,751 in the United States. It is seen behind 11 upstream networks, most often AS15830 (Equinix, Inc.) and AS6461 (Zayo Bandwidth). 20% 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

10

IPv6 prefixes

10

IPv4 addresses

2.6k

IPv6 /64s

655k

Upstream graph

The networks AS396922 is seen behind, one and two hops out, drawn from real AS paths.

AS396922Toward the internet core
Upstream graph for AS396922: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS396922Cisco Systems, In…This networkAS701Verizon BusinessAS3356Lumen (Level 3)AS6461Zayo BandwidthAS13445Cisco Webex LLCAS15830Equinix, Inc.AS3549Lumen (fka. Globa…AS1299Arelion (fka. Tel…AS32590Valve CorporationAS2914NTT America, Inc.

Networks observed one and two hops upstream of AS396922 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
1146%
Peers
1354%
Downstreams
00%

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

Upstreams of AS396922
NetworkCountryRelationshipPathsVantage pts
AS15830Equinix, Inc.NLPeer399139
AS6461Zayo BandwidthUSPeer211126
AS13445Cisco Webex LLCUSPeer138138
AS3356Lumen (Level 3)USPeer133133
AS701Verizon BusinessUSPeer9999
AS6327Shaw CommunicationsCAPeer9595
AS174Cogent Communications, LLCUSPeer8888
AS1221Telstra LimitedAUPeer6464
AS7018AT&T Enterprises, LLCUSPeer5844
AS3257GTT Communications Inc.USPeer5151

Prefixes

The largest blocks AS396922 originates, widest first.

Largest prefixes originated by AS396922
PrefixAddressesVisibility
63.97.201.0/2425676/76
63.162.55.0/2425675/76
200.194.240.0/2425676/76
200.194.241.0/2425676/76
200.194.242.0/2425676/76
200.194.243.0/2425676/76
200.194.244.0/2425676/76
200.194.245.0/2425676/76
200.194.246.0/2425676/76
200.194.247.0/2425675/76

Routing health

How AS396922'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

  • Valid20.0%4
  • Invalid0.0%0
  • No ROA80.0%16

Propagation

  • Globally propagated90% of full-feed peers or more100.0%20
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 10 prefixes

IPv6 — 10 prefixes

  • /4865.5k × /64100.0%10

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS396922 started or stopped in this period.

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