ResearchRouting table, RPKI, IRR & looking glass

AS396973 Department of Homeland Security

AS396973 (DHS-39H) is registered to Department of Homeland Security in US. It originates 9 prefixes in the global routing table.

7
IPv4 prefixes
2
IPv6 prefixes
1,792
IPv4 addresses
100%
RPKI valid

Who holds AS396973

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

AS number
AS396973
Handle
DHS-39H
Organization
Department of Homeland Security
Country
US
ASPA
None published

What AS396973 announces

Prefixes originated by AS396973 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
7
IPv6 prefixes
2
IPv4 addresses
1,792 (7 /24s)
RPKI valid
9 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS396973
2
With an IRR route object
0 0%

Announced prefixes

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

Who AS396973 is reached through

The AS just before AS396973 in the paths our looking glass collectors hold, for 9 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 AS396973: ARIN 3

as-sets that list AS396973 (2)