SUBNET.IM

AS30356Blue Cross Blue Shield of Michigan Mutual Insurance

United StatesRegistryARIN

At a glance

IPv4 prefixes

9

IPv6 prefixes

0

IPv4 addresses

100k

IPv6 /64s

0

Upstream graph

The networks AS30356 is seen behind, one and two hops out, drawn from real AS paths.

AS30356Toward the internet core
Upstream graph for AS30356: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS30356Blue Cross Blue S…This networkAS1000LINK AMERICANAS3356Lumen (Level 3)AS7018AT&T Enterprises,…AS174Cogent Communicat…AS6453TATA Communicatio…AS3549Lumen (fka. Globa…AS2914NTT America, Inc.AS1299Arelion (fka. Tel…

Networks observed one and two hops upstream of AS30356 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

7

adjacent networks

Upstreams
343%
Peers
457%
Downstreams
00%

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

Upstreams of AS30356
NetworkCountryRelationshipPathsVantage pts
AS7018AT&T Enterprises, LLCUSPeer47880
AS3356Lumen (Level 3)USPeer23980
AS1000LINK AMERICANUSPeer11

Prefixes

The largest blocks AS30356 originates, widest first.

Largest prefixes originated by AS30356
PrefixAddressesVisibility
167.242.0.0/1665.5k80/80
167.242.128.0/1732.8k80/80
12.107.172.0/2425680/80
12.176.249.0/2425680/80
12.231.98.0/2425679/80
167.242.45.0/2425680/80
167.242.46.0/2425680/80
167.242.123.0/2425680/80
167.242.124.0/2425679/80

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