ResearchRouting table, RPKI, IRR & looking glass

AS49 National Institute of Standards and Technology

AS49 (US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY) is registered to National Institute of Standards and Technology in US. It originates 36 prefixes in the global routing table.

29
IPv4 prefixes
7
IPv6 prefixes
65,536
IPv4 addresses
100%
RPKI valid

Who holds AS49

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

AS number
AS49
Handle
US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY
Organization
National Institute of Standards and Technology
Country
US
ASPA
None published

What AS49 announces

Prefixes originated by AS49 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
29
IPv6 prefixes
7
IPv4 addresses
65,536 (256 /24s)
RPKI valid
36 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS49
44
With an IRR route object
36 100%

Who AS49 is reached through

The AS just before AS49 in the paths our looking glass collectors hold, for 36 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.

Route objects with origin AS49: ARIN 44

as-sets that list AS49 (4)