ResearchRouting table, RPKI, IRR & looking glass

AS3456 Charter Communications Inc

AS3456 (TWC-3456-IT) is registered to Charter Communications Inc in US. It originates 16 prefixes in the global routing table.

9
IPv4 prefixes
7
IPv6 prefixes
142,336
IPv4 addresses
100%
RPKI valid

Who holds AS3456

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

AS number
AS3456
Handle
TWC-3456-IT
Organization
Charter Communications Inc
Country
US
ASPA
None published

What AS3456 announces

Prefixes originated by AS3456 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
9
IPv6 prefixes
7
IPv4 addresses
142,336 (556 /24s)
RPKI valid
16 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS3456
18
With an IRR route object
11 68%

Announced prefixes

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

Who AS3456 is reached through

The AS just before AS3456 in the paths our looking glass collectors hold, for 16 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
ARINCharter-Communications-TWC-3456-ITMNT-CC-3517
RADBRoadRunnerMAINT-RR

Route objects with origin AS3456: RADB 11

as-sets that list AS3456 (11)