ResearchRouting table, RPKI, IRR & looking glass

AS202858 Alastair Barber

AS202858 (ALASTAIR) is registered to Alastair Barber in FI. It originates 6 prefixes in the global routing table.

2
IPv4 prefixes
4
IPv6 prefixes
512
IPv4 addresses
66%
RPKI valid

Who holds AS202858

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

AS number
AS202858
Handle
ALASTAIR
Organization
Alastair Barber
Country
FI
ASPA
None published

What AS202858 announces

Prefixes originated by AS202858 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
4
IPv4 addresses
512 (2 /24s)
RPKI valid
4 66%
RPKI invalid
0
RPKI not found
2
ROAs naming AS202858
4
With an IRR route object
5 83%

Announced prefixes

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

Who AS202858 is reached through

The AS just before AS202858 in the paths our looking glass collectors hold, for 6 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.