ResearchRouting table, RPKI, IRR & looking glass

AS21647 Lightboard Realty

AS21647 (LIGHTBOARD-SYRACUSE-IX) is registered to Lightboard Realty in US. It originates 6 prefixes in the global routing table.

4
IPv4 prefixes
2
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS21647

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

AS number
AS21647
Handle
LIGHTBOARD-SYRACUSE-IX
Organization
Lightboard Realty
Country
US
ASPA
2 providers

What AS21647 announces

Prefixes originated by AS21647 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
2
IPv4 addresses
1,024 (4 /24s)
RPKI valid
6 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS21647
5
With an IRR route object
4 66%

Announced prefixes

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

IPv4 (4)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS21647 is reached through

The AS just before AS21647 in the paths our looking glass collectors hold, for 6 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS21647 publishes an ASPA naming these providers. 2 ASes name it as a provider in theirs. Check a path.

The 2 ASes that name AS21647 as a provider

Routing registry objects

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

Sourceas-nameMaintained by
ARINLIGHTBOARDMNT-ASA-283

Route objects with origin AS21647: ARIN 5

as-sets that list AS21647 (6)