ResearchRouting table, RPKI, IRR & looking glass

AS131475 Singapore Institute of Technology

AS131475 (SIT-AS-AP) is registered to Singapore Institute of Technology in SG. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
512
IPv4 addresses
0%
RPKI valid

Who holds AS131475

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

AS number
AS131475
Handle
SIT-AS-AP
Organization
Singapore Institute of Technology
Country
SG
ASPA
None published

What AS131475 announces

Prefixes originated by AS131475 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
0
IPv4 addresses
512 (2 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS131475
2
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS131475 is reached through

The AS just before AS131475 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.