subnet.im

AS399296Rackdog, LLC

United StatesRegistryARIN

As of 23rd October 2026, AS399296 (Rackdog, LLC), a network registered in the United States with ARIN, originates 20 IPv4 prefixes covering 5.4k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 15,023rd-largest of the 79,652 networks we see originating IPv4, and the 4,272nd-largest of 18,475 in the United States. It is seen behind 1 upstream network, most often AS398465 (Rackdog LLC). 48% 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

20

IPv6 prefixes

1

IPv4 addresses

5.4k

IPv6 /64s

65.5k

Upstream graph

The networks AS399296 is seen behind, one and two hops out, drawn from real AS paths.

AS399296Toward the internet core
Upstream graph for AS399296: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS399296Rackdog, LLCThis networkAS398465Rackdog LLCAS2914NTT America, Inc.AS4637Telstra Internati…

Networks observed one and two hops upstream of AS399296 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS399296
NetworkCountryRelationshipPathsVantage pts
AS398465Rackdog LLCUSPeer1,602139

Prefixes

The largest blocks AS399296 originates, widest first.

Largest prefixes originated by AS399296
PrefixAddressesVisibility
170.39.194.0/2351277/77
104.171.160.0/2425677/77
104.171.161.0/2425677/77
104.171.163.0/2425677/77
134.195.156.0/2425677/77
134.195.157.0/2425677/77
134.195.158.0/2425677/77
134.195.159.0/2425677/77
149.51.215.0/2425677/77
149.51.228.0/2425677/77

Routing health

How AS399296'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

  • Valid47.6%10
  • Invalid0.0%0
  • No ROA52.4%11

Propagation

  • Globally propagated90% of full-feed peers or more100.0%21
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 20 prefixes

IPv6 — 1 prefixes

  • /4865.5k × /64100.0%1

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

No announcement by AS399296 started or stopped in this period.

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