ResearchRouting table, RPKI, IRR & looking glass

AS27399 Balyasny Asset Management L.P.

AS27399 (BAM-US) is registered to Balyasny Asset Management L.P. in US. It originates 11 prefixes in the global routing table.

11
IPv4 prefixes
0
IPv6 prefixes
2,816
IPv4 addresses
9%
RPKI valid

Who holds AS27399

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

AS number
AS27399
Handle
BAM-US
Organization
Balyasny Asset Management L.P.
Country
US
ASPA
None published

What AS27399 announces

Prefixes originated by AS27399 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
11
IPv6 prefixes
0
IPv4 addresses
2,816 (11 /24s)
RPKI valid
1 9%
RPKI invalid
0
RPKI not found
10
ROAs naming AS27399
1
With an IRR route object
10 90%

Announced prefixes

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

Who AS27399 is reached through

The AS just before AS27399 in the paths our looking glass collectors hold, for 11 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.