ResearchRouting table, RPKI, IRR & looking glass

AS10310 Yahoo Holdings Inc.

AS10310 (YAHOO-1) is registered to Yahoo Holdings Inc. in US. It originates 110 prefixes in the global routing table.

88
IPv4 prefixes
22
IPv6 prefixes
106,240
IPv4 addresses
6%
RPKI valid

Who holds AS10310

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

AS number
AS10310
Handle
YAHOO-1
Organization
Yahoo Holdings Inc.
Country
US
ASPA
None published

What AS10310 announces

Prefixes originated by AS10310 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
88
IPv6 prefixes
22
IPv4 addresses
106,240 (415 /24s)
RPKI valid
7 6%
RPKI invalid
0
RPKI not found
103
ROAs naming AS10310
15
With an IRR route object
99 90%

Announced prefixes

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

IPv4 (88)
IPv6 (22)

RPKI valid   RPKI invalid   no ROA covers it

Who AS10310 is reached through

The AS just before AS10310 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.