ResearchRouting table, RPKI, IRR & looking glass

AS19512 Lyondell Chemical Company

AS19512 (LYONDELL) is registered to Lyondell Chemical Company in US. It originates 18 prefixes in the global routing table.

18
IPv4 prefixes
0
IPv6 prefixes
4,608
IPv4 addresses
0%
RPKI valid

Who holds AS19512

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

AS number
AS19512
Handle
LYONDELL
Organization
Lyondell Chemical Company
Country
US
ASPA
None published

What AS19512 announces

Prefixes originated by AS19512 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
18
IPv6 prefixes
0
IPv4 addresses
4,608 (18 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
18
ROAs naming AS19512
0
With an IRR route object
18 100%

Announced prefixes

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

Who AS19512 is reached through

The AS just before AS19512 in the paths our looking glass collectors hold, for 18 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
NTTCOMLyondell-Chemical-CompanyMAINT-PHONOSCOPE
RADBSGAS-19512MAINT-AS1828

Route objects with origin AS19512: ARIN 15 · RADB 9 · NTTCOM 6

as-sets that list AS19512 (12)