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AS26402City of Santa Barbara

United StatesRegistryARIN

As of 23rd October 2026, AS26402 (City of Santa Barbara), a network registered in the United States with ARIN, originates 2 IPv4 prefixes covering 512 addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 48,613th-largest of the 79,666 networks we see originating IPv4, and the 10,385th-largest of 18,482 in the United States. It is seen behind 3 upstream networks, most often AS4927 (Aseva LLC) and AS3356 (Lumen (Level 3)). 50% 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

2

IPv6 prefixes

2

IPv4 addresses

512

IPv6 /64s

131k

Upstream graph

The networks AS26402 is seen behind, one and two hops out, drawn from real AS paths.

AS26402Toward the internet core
Upstream graph for AS26402: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS26402City of Santa Bar…This networkAS3356Lumen (Level 3)AS4927Aseva LLCAS22773Cox Communication…AS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS6939Hurricane Electri…AS1299Arelion (fka. Tel…AS3257GTT Communication…

Networks observed one and two hops upstream of AS26402 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

7

adjacent networks

Upstreams
343%
Peers
457%
Downstreams
00%

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

Upstreams of AS26402
NetworkCountryRelationshipPathsVantage pts
AS4927Aseva LLCUSPeer144141
AS3356Lumen (Level 3)USPeer108108
AS22773Cox Communications Inc.USPeer2929

Prefixes

The largest blocks AS26402 originates, widest first.

Largest prefixes originated by AS26402
PrefixAddressesVisibility
64.29.233.0/2425677/77
209.150.78.0/2425677/77
2001:19f8:211::/4865.5k × /6464/64
2001:4870:a24a::/4865.5k × /6463/64

Routing health

How AS26402'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

  • Valid50.0%2
  • Invalid0.0%0
  • No ROA50.0%2

Propagation

  • Globally propagated90% of full-feed peers or more100.0%4
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 2 prefixes

IPv6 — 2 prefixes

  • /4865.5k × /64100.0%2

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

No announcement by AS26402 started or stopped in this period.

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