ResearchRouting table, RPKI, IRR & looking glass

AS27313 Spencer Stuart

AS27313 (SPENCER-STUART) is registered to Spencer Stuart in US. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
50%
RPKI valid

Who holds AS27313

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

AS number
AS27313
Handle
SPENCER-STUART
Organization
Spencer Stuart
Country
US
ASPA
None published

What AS27313 announces

Prefixes originated by AS27313 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
2 50%
RPKI invalid
0
RPKI not found
2
ROAs naming AS27313
3
With an IRR route object
3 75%

Announced prefixes

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

IPv4 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS27313 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 3 upstreams.

Who buys transit from AS27313

None seen: AS27313 does not appear to provide transit to anyone.

Routing registry objects

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