SUBNET.IM

AS31991Platte River Power Authority

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS31991 is seen behind, one and two hops out, drawn from real AS paths.

AS31991Toward the internet core
Upstream graph for AS31991: 2 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS31991Platte River Powe…This networkAS12145Colorado State Un…AS14041University Corpor…

Networks observed one and two hops upstream of AS31991 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 AS31991
NetworkCountryRelationshipPathsVantage pts
AS12145Colorado State UniversityUSPeer8080

Prefixes

The largest blocks AS31991 originates, widest first.

Largest prefixes originated by AS31991
PrefixAddressesVisibility
129.19.6.0/2425680/80

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