ResearchRouting table, RPKI, IRR & looking glass

AS20224 Columbia Energy L.L.C

AS20224 (COLUMBIA-ENERGY-LLC) is registered to Columbia Energy L.L.C in US. It originates 8 prefixes in the global routing table.

7
IPv4 prefixes
1
IPv6 prefixes
5,120
IPv4 addresses
62%
RPKI valid

Who holds AS20224

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

AS number
AS20224
Handle
COLUMBIA-ENERGY-LLC
Organization
Columbia Energy L.L.C
Country
US
ASPA
None published

What AS20224 announces

Prefixes originated by AS20224 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
7
IPv6 prefixes
1
IPv4 addresses
5,120 (20 /24s)
RPKI valid
5 62%
RPKI invalid
0
RPKI not found
3
ROAs naming AS20224
5
With an IRR route object
8 100%

Announced prefixes

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

Who AS20224 is reached through

The AS just before AS20224 in the paths our looking glass collectors hold, for 8 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
RADBWHIPP1-AS1MAINT-AS17378

Route objects with origin AS20224: RADB 8 · ARIN 5

as-sets that list AS20224 (10)