ResearchRouting table, RPKI, IRR & looking glass

AS40401 Backblaze Inc

AS40401 (BACKBLAZE) is registered to Backblaze Inc in US. It originates 83 prefixes in the global routing table.

25
IPv4 prefixes
58
IPv6 prefixes
9,216
IPv4 addresses
100%
RPKI valid

Who holds AS40401

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

AS number
AS40401
Handle
BACKBLAZE
Organization
Backblaze Inc
Country
US
ASPA
None published

What AS40401 announces

Prefixes originated by AS40401 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
25
IPv6 prefixes
58
IPv4 addresses
9,216 (36 /24s)
RPKI valid
83 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS40401
8
With an IRR route object
53 63%

Announced prefixes

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

Who AS40401 is reached through

The AS just before AS40401 in the paths our looking glass collectors hold, for 60 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.