ResearchRouting table, RPKI, IRR & looking glass

AS16657 Crown Castle Fiber LLC

AS16657 (CROWNCASTLE-AS16657) is registered to Crown Castle Fiber LLC in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
0%
RPKI valid

Who holds AS16657

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

AS number
AS16657
Handle
CROWNCASTLE-AS16657
Organization
Crown Castle Fiber LLC
Country
US
ASPA
None published

What AS16657 announces

Prefixes originated by AS16657 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
0
IPv4 addresses
768 (3 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
3
ROAs naming AS16657
1
With an IRR route object
3 100%

Announced prefixes

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

IPv4 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS16657 is reached through

The AS just before AS16657 in the paths our looking glass collectors hold, for 3 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
RADBCROWNCASTLE-AS16657MAINT-AS27506

Route objects with origin AS16657: RADB 195 · LEVEL3 23

as-sets that list AS16657 (10)