SUBNET.IM

AS3561Lumen (ex. Savvis)

United StatesRegistryARINTypeEyeball

At a glance

IPv4 prefixes

617

IPv6 prefixes

2

IPv4 addresses

7.4M

IPv6 /64s

524k

Upstream graph

The networks AS3561 is seen behind, one and two hops out, drawn from real AS paths.

AS3561Toward the internet core
Upstream graph for AS3561: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS3561Lumen (ex. Savvis)This networkAS209Lumen (ex. Qwest)AS3356Lumen (Level 3)AS3910Lumen (ex Qwest E…AS7991CenturyLink Commu…AS2914NTT America, Inc.AS3549Lumen (fka. Globa…

Networks observed one and two hops upstream of AS3561 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

107

adjacent networks

Upstreams
44%
Peers
5854%
Downstreams
4542%

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

Upstreams of AS3561
NetworkCountryRelationshipPathsVantage pts
AS3356Lumen (Level 3)USPeer53,873142
AS209Lumen (ex. Qwest)USPeer29679
AS3910Lumen (ex Qwest Europe)USPeer24379
AS7991CenturyLink Communications, LLCUSPeer43

Prefixes

All 619

The largest blocks AS3561 originates, widest first.

Largest prefixes originated by AS3561
PrefixAddressesVisibility
208.144.0.0/13524k78/80
64.240.0.0/14262k79/80
206.100.0.0/14262k79/80
216.32.0.0/14262k79/80
216.88.0.0/14262k79/80
66.100.0.0/15131k79/80
204.70.0.0/15131k79/80
205.138.0.0/15131k79/80
205.218.0.0/15131k79/80
206.26.0.0/15131k79/80

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