ResearchRouting table, RPKI, IRR & looking glass

AS19577 CASTRO TELECOM LLC

AS19577 (CASTRO-TELECOM) is registered to CASTRO TELECOM LLC in US. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
0%
RPKI valid

Who holds AS19577

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

AS number
AS19577
Handle
CASTRO-TELECOM
Organization
CASTRO TELECOM LLC
Country
US
ASPA
None published

What AS19577 announces

Prefixes originated by AS19577 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS19577
1
With an IRR route object
1 50%

Announced prefixes

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

IPv4 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS19577 is reached through

The AS just before AS19577 in the paths our looking glass collectors hold, for 2 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
ARINCASTRO-TELECOMMNT-CTL-383

Route objects with origin AS19577: ARIN 8 · LEVEL3 1 · RADB 1

as-sets that list AS19577 (7)