SUBNET.IM

AS21951St. Olaf College

United StatesRegistryARIN

At a glance

IPv4 prefixes

2

IPv6 prefixes

1

IPv4 addresses

2k

IPv6 /64s

16.8M

Upstream graph

The networks AS21951 is seen behind, one and two hops out, drawn from real AS paths.

AS21951Toward the internet core
Upstream graph for AS21951: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21951St. Olaf CollegeThis networkAS57Northern Lights G…AS6939Hurricane Electri…AS15011Jaguar Communicat…AS2381WiscNetAS18106Viewqwest Pte LtdAS20130Depaul UniversityAS30600Metronet

Networks observed one and two hops upstream of AS21951 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

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

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

Upstreams of AS21951
NetworkCountryRelationshipPathsVantage pts
AS6939Hurricane Electric LLCUSPeer15479
AS57Northern Lights GigaPoPUSPeer6260
AS15011Jaguar CommunicationsUSPeer55

Prefixes

The largest blocks AS21951 originates, widest first.

Largest prefixes originated by AS21951
PrefixAddressesVisibility
162.210.88.0/221k80/80
199.91.180.0/221k80/80
2620:132:b000::/4016.8M × /6461/62

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