ResearchRouting table, RPKI, IRR & looking glass

AS397749 McLaren Macomb

AS397749 (MCLAREN-HEALTHCARE) is registered to McLaren Macomb in US. It originates 10 prefixes in the global routing table.

10
IPv4 prefixes
0
IPv6 prefixes
3,072
IPv4 addresses
10%
RPKI valid

Who holds AS397749

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS397749
Handle
MCLAREN-HEALTHCARE
Organization
McLaren Macomb
Country
US
ASPA
None published

What AS397749 announces

Prefixes originated by AS397749 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
10
IPv6 prefixes
0
IPv4 addresses
3,072 (12 /24s)
RPKI valid
1 10%
RPKI invalid
0
RPKI not found
9
ROAs naming AS397749
1
With an IRR route object
10 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

Who AS397749 is reached through

The AS just before AS397749 in the paths our looking glass collectors hold, for 10 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBMCLAREN_HEALTH_CARE_CORPMAINT-CHTR-WD

Route objects with origin AS397749: RADB 7 · ARIN 4

as-sets that list AS397749 (13)