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AS3361Digital Fortress, Inc.

United StatesRegistryARIN

As of 22nd October 2026, AS3361 (Digital Fortress, Inc.), a network registered in the United States with ARIN, originates 37 IPv4 prefixes covering 25.6k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 6,136th-largest of the 79,663 networks we see originating IPv4, and the 2,064th-largest of 18,476 in the United States. It is seen behind 13 upstream networks, most often AS6461 (Zayo Bandwidth) and AS11404 (Astound (fka. Wave Broadband)), and in front of 5 downstream networks. 95% 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

37

IPv6 prefixes

2

IPv4 addresses

25.6k

IPv6 /64s

8.6B

Upstream graph

The networks AS3361 is seen behind, one and two hops out, drawn from real AS paths.

AS3361Toward the internet core
Upstream graph for AS3361: 11 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS3361Digital Fortress,…This networkAS2914NTT America, Inc.AS6461Zayo BandwidthAS11404Astound (fka. Wav…AS11739Digital Fortress,…AS20055Ziply FiberAS49544i3D.net B.VAS215859Hetzner Cloud - S…AS32590Valve CorporationAS3257GTT Communication…AS174Cogent Communicat…AS1299Arelion (fka. Tel…

Networks observed one and two hops upstream of AS3361 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

48

adjacent networks

Upstreams
1327%
Peers
3063%
Downstreams
510%

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

Upstreams of AS3361
NetworkCountryRelationshipPathsVantage pts
AS6461Zayo BandwidthUSPeer923130
AS11404Astound (fka. Wave Broadband)USPeer848113
AS2914NTT America, Inc.USPeer65934
AS11739Digital Fortress, Inc.USPeer43227
AS20055Ziply FiberUSPeer13215
AS6939Hurricane Electric LLCUSPeer704
AS18106Viewqwest Pte LtdSGPeer502
AS3130RGnet OUEEPeer251
AS58511Swoop (Anycast Global Backbone)AUPeer251
AS24482SG.GSSGPeer251

Prefixes

All 39

The largest blocks AS3361 originates, widest first.

Largest prefixes originated by AS3361
PrefixAddressesVisibility
216.168.32.0/198.2k77/77
173.225.16.0/204.1k77/77
173.225.20.0/221k77/77
173.225.28.0/221k77/77
216.168.52.0/221k77/77
68.64.50.0/2351276/77
68.64.52.0/2351276/77
69.46.32.0/2351276/77
74.209.176.0/2351276/77
173.225.20.0/2351277/77

Routing health

How AS3361'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

  • Valid94.9%37
  • Invalid0.0%0
  • No ROA5.1%2

Propagation

  • Globally propagated90% of full-feed peers or more100.0%39
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 37 prefixes

IPv6 — 2 prefixes

  • /324.3B × /64100.0%2

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

No announcement by AS3361 started or stopped in this period.

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