ResearchRouting table, RPKI, IRR & looking glass

AS15951 Dow Jones & Company, Inc.

AS15951 (DJUK) is registered to Dow Jones & Company, Inc. in US. It originates 6 prefixes in the global routing table.

6
IPv4 prefixes
0
IPv6 prefixes
1,792
IPv4 addresses
66%
RPKI valid

Who holds AS15951

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

AS number
AS15951
Handle
DJUK
Organization
Dow Jones & Company, Inc.
Country
US
ASPA
None published

What AS15951 announces

Prefixes originated by AS15951 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
1,792 (7 /24s)
RPKI valid
4 66%
RPKI invalid
0
RPKI not found
2
ROAs naming AS15951
4
With an IRR route object
5 83%

Announced prefixes

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

Who AS15951 is reached through

The AS just before AS15951 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.

Sourceas-nameMaintained by
RIPEDJUKRIPE-NCC-END-MNT, DOWJONES-MNT

Route objects with origin AS15951: RIPE 5 · ALTDB 2 · NTTCOM 1 · RADB 1

as-sets that list AS15951 (13)