ResearchRouting table, RPKI, IRR & looking glass

AS17402 CenturyLink Communications, LLC

AS17402 (CENTURYLINK-LEGACY-EMBARQ-CHSK) is registered to CenturyLink Communications, LLC in US. It originates 25 prefixes in the global routing table.

25
IPv4 prefixes
0
IPv6 prefixes
68,864
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS17402

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

AS number
AS17402
Handle
CENTURYLINK-LEGACY-EMBARQ-CHSK
Organization
CenturyLink Communications, LLC
Country
US
ASPA
None published
Routing

What AS17402 announces

Prefixes originated by AS17402 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
25
IPv6 prefixes
0
IPv4 addresses
68,864 (269 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
25
ROAs naming AS17402
0
With an IRR route object
0 0%
Prefixes

Announced prefixes

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

IPv4 (25)
65.41.112.0/2165.41.192.0/2266.247.104.0/2267.233.224.0/2067.233.240.0/2169.34.48.0/2169.34.64.0/2269.34.212.0/2269.68.120.0/2269.68.192.0/2269.68.196.0/2269.69.104.0/2171.0.40.0/2171.1.88.0/2171.1.136.0/2271.2.231.0/2471.48.112.0/2071.49.80.0/2071.51.128.0/1971.55.128.0/1974.5.64.0/1974.5.208.0/21138.210.88.0/22184.1.224.0/20184.7.160.0/20

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS17402 is reached through

The AS just before AS17402 in the paths our looking glass collectors hold, for 25 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS209 CENTURYLINK-US-LEGACY-QWEST 25
IRR

Routing registry objects

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

as-sets that list AS17402 (3)
AS-LIGHTCOREAS-LUMEN-ASNSAS-LUMEN-CUSTOMERS-ASNS
Tools

Check AS17402 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup