ResearchRouting table, RPKI, IRR & looking glass

AS51203 BM5 Bartosz Malinowski

AS51203 (BM5-AS) is registered to BM5 Bartosz Malinowski in PL. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
512
IPv4 addresses
0%
RPKI valid

Who holds AS51203

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

AS number
AS51203
Handle
BM5-AS
Organization
BM5 Bartosz Malinowski
Country
PL
ASPA
None published

What AS51203 announces

Prefixes originated by AS51203 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
512 (2 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS51203
0
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS51203 is reached through

The AS just before AS51203 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.

Sourceas-nameMaintained by
RIPEBM5-ASRIPE-NCC-END-MNT, BM5-MNT

Route objects with origin AS51203: RIPE 1

as-sets that list AS51203 (7)