ResearchRouting table, RPKI, IRR & looking glass

AS271 BCNET

AS271 (BCNET-AS) is registered to BCNET in CA. It originates 125 prefixes in the global routing table.

89
IPv4 prefixes
36
IPv6 prefixes
363,776
IPv4 addresses
84%
RPKI valid

Who holds AS271

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

AS number
AS271
Handle
BCNET-AS
Organization
BCNET
Country
CA
ASPA
None published

What AS271 announces

Prefixes originated by AS271 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
89
IPv6 prefixes
36
IPv4 addresses
363,776 (1,421 /24s)
RPKI valid
106 84%
RPKI invalid
7
RPKI not found
12
ROAs naming AS271
129
With an IRR route object
117 93%

Announced prefixes

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

IPv4 (89)
IPv6 (36)

RPKI valid   RPKI invalid   no ROA covers it

Who AS271 is reached through

The AS just before AS271 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.

Sourceas-nameMaintained by
ARINBCNETMNT-BC-Z

Route objects with origin AS271: ARIN 147

as-sets that list AS271 (5)