ResearchRouting table, RPKI, IRR & looking glass

AS32554 Montgomery County Intermediate Unit

AS32554 (MCIU) is registered to Montgomery County Intermediate Unit in US. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
4,096
IPv4 addresses
100%
RPKI valid

Who holds AS32554

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

AS number
AS32554
Handle
MCIU
Organization
Montgomery County Intermediate Unit
Country
US
ASPA
4 providers

What AS32554 announces

Prefixes originated by AS32554 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
4,096 (16 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS32554
4
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS32554 is reached through

The AS just before AS32554 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.

Provider authorization

AS32554 publishes an ASPA naming these providers. Check a path.

Routing registry objects

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

Sourceas-nameMaintained by
ARINAS32554MNT-MCIU
RADBAS32554MAINT-AS32554

Route objects with origin AS32554: RADB 4 · ARIN 2

as-sets that list AS32554 (14)