ResearchRouting table, RPKI, IRR & looking glass

AS6223 CenturyLink Communications, LLC

AS6223 (CENTURYLINK-MTIPS1-STN) is registered to CenturyLink Communications, LLC in US. It originates 5 prefixes in the global routing table.

3
IPv4 prefixes
2
IPv6 prefixes
2,560
IPv4 addresses
0%
RPKI valid

Who holds AS6223

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

AS number
AS6223
Handle
CENTURYLINK-MTIPS1-STN
Organization
CenturyLink Communications, LLC
Country
US
ASPA
None published

What AS6223 announces

Prefixes originated by AS6223 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
2
IPv4 addresses
2,560 (10 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS6223
0
With an IRR route object
0 0%

Announced prefixes

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

IPv4 (3)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS6223 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 1 upstream.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

as-sets that list AS6223 (2)