ResearchRouting table, RPKI, IRR & looking glass

AS36752 Yahoo Holdings Inc.

AS36752 (YAHOO-SP1) is registered to Yahoo Holdings Inc. in US. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
768
IPv4 addresses
0%
RPKI valid

Who holds AS36752

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

AS number
AS36752
Handle
YAHOO-SP1
Organization
Yahoo Holdings Inc.
Country
US
ASPA
None published

What AS36752 announces

Prefixes originated by AS36752 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
1
IPv4 addresses
768 (3 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
4
ROAs naming AS36752
0
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (3)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS36752 is reached through

The AS just before AS36752 in the paths our looking glass collectors hold, for 4 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
RADBYahoo-SP1MAINT-YAHOO

Route objects with origin AS36752: RADB 43 · LEVEL3 2

as-sets that list AS36752 (2)