subnet.im

AS401986Coherently Inc

United StatesRegistryARIN

As of 12th November 2026, AS401986 (Coherently Inc), a network registered in the United States with ARIN, originates 1 IPv4 prefix covering 256 addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 60,015th-largest of the 80,805 networks we see originating IPv4, and the 13,098th-largest of 18,769 in the United States. It is seen behind 1 upstream network, most often AS36236 (NetActuate, Inc). None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

256

IPv6 /64s

4.3B

Upstream graph

The networks AS401986 is seen behind, one and two hops out, drawn from real AS paths.

AS401986Toward the internet core
Upstream graph for AS401986: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS401986Coherently IncThis networkAS36236NetActuate, IncAS174Cogent Communicat…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS401986 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

3

adjacent networks

Upstreams
133%
Peers
267%
Downstreams
00%

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

Upstreams of AS401986
NetworkCountryRelationshipPathsVantage pts
AS36236NetActuate, IncUSPeer141141

Prefixes

The largest blocks AS401986 originates, widest first.

Largest prefixes originated by AS401986
PrefixAddressesVisibility
23.145.204.0/2425678/78
2604:20a0::/324.3B × /6463/64

Routing health

How AS401986'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

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%2

Propagation

  • Globally propagated90% of full-feed peers or more100.0%2
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 1 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 13th Oct 2026.

  • Withdrawn81.85.58.0/2428th Oct 2026
  • Announced81.85.58.0/2427th Oct 2026

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