AS55721 Blackberry Limited
AS55721 (BL-AP) is registered to Blackberry Limited in CA. It originates 1 prefix in the global routing table.
Who holds AS55721
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS55721 announces
Prefixes originated by AS55721 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
Who AS55721 is reached through
The AS just before AS55721 in the paths our looking glass collectors hold, for 1 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.
| Source | as-name | Maintained by |
|---|---|---|
| APNIC | BL-AP | APNIC-HM |
| RADB | BLACKBERRY | MAINT-AS18705 |
Route objects with origin AS55721: RADB 1