ResearchRouting table, RPKI, IRR & looking glass

AS27015 FRESENIUS MEDICAL CARE HOLDINGS, INC

AS27015 (FMCH-27015) is registered to FRESENIUS MEDICAL CARE HOLDINGS, INC in US. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
2,048
IPv4 addresses
20%
RPKI valid

Who holds AS27015

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

AS number
AS27015
Handle
FMCH-27015
Organization
FRESENIUS MEDICAL CARE HOLDINGS, INC
Country
US
ASPA
None published

What AS27015 announces

Prefixes originated by AS27015 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
2,048 (8 /24s)
RPKI valid
1 20%
RPKI invalid
0
RPKI not found
4
ROAs naming AS27015
2
With an IRR route object
3 60%

Announced prefixes

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

IPv4 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS27015 is reached through

The AS just before AS27015 in the paths our looking glass collectors hold, for 5 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.