ResearchRouting table, RPKI, IRR & looking glass

AS22238 Defense Advanced Research Projects Agency(DARPA)

AS22238 (DARPA) is registered to Defense Advanced Research Projects Agency(DARPA) in US. It originates 6 prefixes in the global routing table.

6
IPv4 prefixes
0
IPv6 prefixes
1,536
IPv4 addresses
0%
RPKI valid

Who holds AS22238

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

AS number
AS22238
Handle
DARPA
Organization
Defense Advanced Research Projects Agency(DARPA)
Country
US
ASPA
None published

What AS22238 announces

Prefixes originated by AS22238 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
0
IPv4 addresses
1,536 (6 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
6
ROAs naming AS22238
0
With an IRR route object
2 33%

Announced prefixes

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

Who AS22238 is reached through

The AS just before AS22238 in the paths our looking glass collectors hold, for 6 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 AS22238: RADB 3 · AFRINIC 1

as-sets that list AS22238 (2)