SUBNET.IM

AS399521BNS

United StatesRegistryARIN

At a glance

IPv4 prefixes

7

IPv6 prefixes

6

IPv4 addresses

1.8k

IPv6 /64s

393k

Upstream graph

The networks AS399521 is seen behind, one and two hops out, drawn from real AS paths.

AS399521Toward the internet core
Upstream graph for AS399521: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS399521BNSThis networkAS174Cogent Communicat…AS1299Arelion (fka. Tel…AS6461Zayo BandwidthAS6939Hurricane Electri…AS25091IP-Max SAAS151326DCConnect Communi…AS13030Init7 (Switzerlan…AS16552Tiggee LLCAS6667Elisa OyjAS32590Valve CorporationAS18106Viewqwest Pte LtdAS20130Depaul University

Networks observed one and two hops upstream of AS399521 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

26

adjacent networks

Upstreams
623%
Peers
1869%
Downstreams
28%

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

Upstreams of AS399521
NetworkCountryRelationshipPathsVantage pts
AS6939Hurricane Electric LLCUSPeer830115
AS6461Zayo BandwidthUSPeer33079
AS1299Arelion (fka. Telia Carrier)SEPeer13227
AS174Cogent Communications, LLCUSPeer7979
AS49544i3D.net B.VNLPeer61
AS25091IP-Max SACHPeer61

Prefixes

The largest blocks AS399521 originates, widest first.

Largest prefixes originated by AS399521
PrefixAddressesVisibility
38.108.9.0/2425679/80
172.98.8.0/2425680/80
172.98.10.0/2425680/80
192.92.236.0/2425680/80
192.92.237.0/2425680/80
192.92.238.0/2425680/80
192.92.239.0/2425680/80
2606:4640::/4865.5k × /6462/62
2606:4640:1::/4865.5k × /6462/62
2606:4640:b::/4865.5k × /6462/62

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