ResearchRouting table, RPKI, IRR & looking glass

AS21473 PFALZKOM GmbH

AS21473 (PFALZKOM) is registered to PFALZKOM GmbH in DE. It originates 45 prefixes in the global routing table.

33
IPv4 prefixes
12
IPv6 prefixes
45,568
IPv4 addresses
46%
RPKI valid

Who holds AS21473

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

AS number
AS21473
Handle
PFALZKOM
Organization
PFALZKOM GmbH
Country
DE
ASPA
7 providers

What AS21473 announces

Prefixes originated by AS21473 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
33
IPv6 prefixes
12
IPv4 addresses
45,568 (178 /24s)
RPKI valid
21 46%
RPKI invalid
4
RPKI not found
20
ROAs naming AS21473
21
With an IRR route object
39 86%

Who AS21473 is reached through

The AS just before AS21473 in the paths our looking glass collectors hold, for 45 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS21473 publishes an ASPA naming these providers. 7 ASes name it as a provider in theirs. Check a path.

The 7 ASes that name AS21473 as a provider