SUBNET.IM

AS63138Blue Shield of California

United StatesRegistryARIN

At a glance

IPv4 prefixes

5

IPv6 prefixes

0

IPv4 addresses

1.3k

IPv6 /64s

0

Upstream graph

The networks AS63138 is seen behind, one and two hops out, drawn from real AS paths.

AS63138Toward the internet core

Networks observed one and two hops upstream of AS63138 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

8

adjacent networks

Upstreams
450%
Peers
450%
Downstreams
00%

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

Upstreams of AS63138
NetworkCountryRelationshipPathsVantage pts
AS3356Lumen (Level 3)USPeer18346
AS174Cogent Communications, LLCUSPeer13233
AS701Verizon BusinessUSPeer7979
AS1000LINK AMERICANUSPeer11

Prefixes

The largest blocks AS63138 originates, widest first.

Largest prefixes originated by AS63138
PrefixAddressesVisibility
165.253.34.0/2425679/80
165.253.35.0/2425679/80
165.253.42.0/2425679/80
165.253.134.0/2425679/80
165.253.135.0/2425679/80

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