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AS47020Data Cave

United StatesRegistryARIN

As of 10th November 2026, AS47020 (Data Cave), a network registered in the United States with ARIN, originates 4 IPv4 prefixes covering 3.3k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 19,848th-largest of the 80,733 networks we see originating IPv4, and the 5,435th-largest of 18,751 in the United States. It is seen behind 3 upstream networks, most often AS6461 (Zayo Bandwidth) and AS174 (Cogent Communications, LLC). 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

4

IPv6 prefixes

1

IPv4 addresses

3.3k

IPv6 /64s

4.3B

Upstream graph

The networks AS47020 is seen behind, one and two hops out, drawn from real AS paths.

AS47020Toward the internet core
Upstream graph for AS47020: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS47020Data CaveThis networkAS174Cogent Communicat…AS6461Zayo BandwidthAS33491Comcast Cable Com…AS1299Arelion (fka. Tel…AS151326DCConnect Communi…AS2914NTT America, Inc.AS32590Valve CorporationAS3356Lumen (Level 3)AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS47020 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 AS47020
NetworkCountryRelationshipPathsVantage pts
AS6461Zayo BandwidthUSPeer17282
AS174Cogent Communications, LLCUSPeer10451
AS33491Comcast Cable Communications, LLCUSPeer8576

Prefixes

The largest blocks AS47020 originates, widest first.

Largest prefixes originated by AS47020
PrefixAddressesVisibility
9.249.172.0/221k76/76
162.248.192.0/221k75/76
199.68.240.0/221k75/76
216.59.10.0/2425675/76
2604:6b80::/324.3B × /6460/63

Routing health

How AS47020'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%1
  • Invalid0.0%0
  • No ROA80.0%4

Propagation

  • Globally propagated90% of full-feed peers or more100.0%5
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

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