SUBNET.IM

AS31816National Marrow Donor Program

United StatesRegistryARIN

At a glance

IPv4 prefixes

3

IPv6 prefixes

0

IPv4 addresses

768

IPv6 /64s

0

Upstream graph

The networks AS31816 is seen behind, one and two hops out, drawn from real AS paths.

AS31816Toward the internet core
Upstream graph for AS31816: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS31816National Marrow D…This networkAS13367Comcast Cable Com…AS19551Incapsula IncAS3356Lumen (Level 3)AS7922Comcast Cable Com…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS31816 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS31816
NetworkCountryRelationshipPathsVantage pts
AS19551Incapsula IncUSPeer15879
AS13367Comcast Cable Communications, LLCUSPeer8080

Prefixes

The largest blocks AS31816 originates, widest first.

Largest prefixes originated by AS31816
PrefixAddressesVisibility
192.112.34.0/2425680/80
192.149.74.0/2425679/80
198.175.249.0/2425679/80

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