SUBNET.IM

AS33197Fulcrum Services LLC

United StatesRegistryARIN

At a glance

IPv4 prefixes

4

IPv6 prefixes

2

IPv4 addresses

4.1k

IPv6 /64s

4.3B

Upstream graph

The networks AS33197 is seen behind, one and two hops out, drawn from real AS paths.

AS33197Toward the internet core
Upstream graph for AS33197: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS33197Fulcrum Services …This networkAS3356Lumen (Level 3)AS6461Zayo BandwidthAS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS6667Elisa OyjAS32590Valve Corporation

Networks observed one and two hops upstream of AS33197 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 AS33197
NetworkCountryRelationshipPathsVantage pts
AS6461Zayo BandwidthUSPeer23176
AS3356Lumen (Level 3)USPeer21367

Prefixes

The largest blocks AS33197 originates, widest first.

Largest prefixes originated by AS33197
PrefixAddressesVisibility
216.74.40.0/212k80/80
216.74.32.0/221k80/80
206.168.164.0/2351280/80
216.74.38.0/2351280/80
2600:1304::/324.3B × /6462/62
2607:e100::/4016.8M × /6462/62

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