ResearchRouting table, RPKI, IRR & looking glass

AS4922 Shenandoah Cable Television LLC

AS4922 (SHENTEL) is registered to Shenandoah Cable Television LLC in US. It originates 141 prefixes in the global routing table.

92
IPv4 prefixes
49
IPv6 prefixes
218,880
IPv4 addresses
90%
RPKI valid

Who holds AS4922

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

AS number
AS4922
Handle
SHENTEL
Organization
Shenandoah Cable Television LLC
Country
US
ASPA
None published

What AS4922 announces

Prefixes originated by AS4922 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
92
IPv6 prefixes
49
IPv4 addresses
218,880 (855 /24s)
RPKI valid
128 90%
RPKI invalid
0
RPKI not found
13
ROAs naming AS4922
139
With an IRR route object
62 43%

Announced prefixes

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

IPv4 (92)
IPv6 (49)

RPKI valid   RPKI invalid   no ROA covers it

Who AS4922 is reached through

The AS just before AS4922 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS4922 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS4922 as a provider

Routing registry objects

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

Sourceas-nameMaintained by
NTTCOMASH-SHENTELMAINT-SHENTEL

Route objects with origin AS4922: ARIN 88 · NTTCOM 79

as-sets that list AS4922 (3)