ResearchRouting table, RPKI, IRR & looking glass

AS3527 National Institutes of Health

AS3527 (NIH-NET) is registered to National Institutes of Health in US. It originates 13 prefixes in the global routing table.

12
IPv4 prefixes
1
IPv6 prefixes
336,640
IPv4 addresses
76%
RPKI valid

Who holds AS3527

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

AS number
AS3527
Handle
NIH-NET
Organization
National Institutes of Health
Country
US
ASPA
None published

What AS3527 announces

Prefixes originated by AS3527 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
12
IPv6 prefixes
1
IPv4 addresses
336,640 (1,315 /24s)
RPKI valid
10 76%
RPKI invalid
0
RPKI not found
3
ROAs naming AS3527
20
With an IRR route object
13 100%

Announced prefixes

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

Who AS3527 is reached through

The AS just before AS3527 in the paths our looking glass collectors hold, for 13 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
RADBAS3527-NIHMAINT-AS10886

Route objects with origin AS3527: RADB 27 · ARIN 21 · LEVEL3 17

as-sets that list AS3527 (6)