ResearchRouting table, RPKI, IRR & looking glass

AS18588 Postmedia Network Inc

AS18588 (POSTM) is registered to Postmedia Network Inc in CA. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
512
IPv4 addresses
0%
RPKI valid

Who holds AS18588

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

AS number
AS18588
Handle
POSTM
Organization
Postmedia Network Inc
Country
CA
ASPA
None published

What AS18588 announces

Prefixes originated by AS18588 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
0
IPv4 addresses
512 (2 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS18588
0
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS18588 is reached through

The AS just before AS18588 in the paths our looking glass collectors hold, for 2 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
RADBPOSTMEDIA-1MAINT-AS18588

Route objects with origin AS18588: RADB 9 · ARIN 2

as-sets that list AS18588 (6)