ResearchRouting table, RPKI, IRR & looking glass

AS4546 S&P Global Inc.

AS4546 (SPGI-AS) is registered to S&P Global Inc. in US. It originates 56 prefixes in the global routing table.

56
IPv4 prefixes
0
IPv6 prefixes
14,176
IPv4 addresses
19%
RPKI valid

Who holds AS4546

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

AS number
AS4546
Handle
SPGI-AS
Organization
S&P Global Inc.
Country
US
ASPA
None published

What AS4546 announces

Prefixes originated by AS4546 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
56
IPv6 prefixes
0
IPv4 addresses
14,176 (55 /24s)
RPKI valid
11 19%
RPKI invalid
0
RPKI not found
45
ROAs naming AS4546
11
With an IRR route object
42 75%

Who AS4546 is reached through

The AS just before AS4546 in the paths our looking glass collectors hold, for 56 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.