ResearchRouting table, RPKI, IRR & looking glass

AS36646 Yahoo Holdings Inc.

AS36646 (YAHOO-NE1) is registered to Yahoo Holdings Inc. in US. It originates 47 prefixes in the global routing table.

41
IPv4 prefixes
6
IPv6 prefixes
94,720
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS36646

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

AS number
AS36646
Handle
YAHOO-NE1
Organization
Yahoo Holdings Inc.
Country
US
ASPA
None published
Routing

What AS36646 announces

Prefixes originated by AS36646 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
41
IPv6 prefixes
6
IPv4 addresses
94,720 (370 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
47
ROAs naming AS36646
0
With an IRR route object
47 100%
Prefixes

Announced prefixes

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

IPv4 (41)
66.163.168.0/2166.163.176.0/2166.163.184.0/2172.30.240.0/2272.30.240.0/2472.30.241.0/2474.6.228.0/2274.6.228.0/2474.6.229.0/2474.6.230.0/2474.6.231.0/2498.136.96.0/2298.136.96.0/2498.136.97.0/2498.136.104.0/2298.136.120.0/2198.137.80.0/2198.137.154.0/2398.137.154.0/2498.137.155.0/2498.137.156.0/2298.137.156.0/2498.137.157.0/2498.137.158.0/2498.137.159.0/2498.137.216.0/2198.138.0.0/1698.138.17.0/2498.138.49.0/2498.138.71.0/2498.138.72.0/2498.138.96.0/2498.138.208.0/2498.138.219.0/2498.139.108.0/22216.155.192.0/20216.155.194.0/24216.252.104.0/21216.252.112.0/20216.252.118.0/24216.252.127.0/24
IPv6 (6)
2001:4998:44::/462001:4998:44::/482001:4998:19c::/462001:4998:19c::/482001:4998:ef6c::/482001:4998:efeb::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS36646 is reached through

The AS just before AS36646 in the paths our looking glass collectors hold, for 47 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS10310 YAHOO-1 47
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBYahoo-YSM-OC2MAINT-YAHOO

Route objects with origin AS36646: RADB 52

as-sets that list AS36646 (2)
AS-LEVEL3-ORIGINS-NAAS-YAHOO
Tools

Check AS36646 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup