ResearchRouting table, RPKI, IRR & looking glass

AS135437 HostSG

AS135437 (HOSTSG-AS-SG) is registered to HostSG in SG. It originates 6 prefixes in the global routing table.

6
IPv4 prefixes
0
IPv6 prefixes
3,584
IPv4 addresses
100%
RPKI valid

Who holds AS135437

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

AS number
AS135437
Handle
HOSTSG-AS-SG
Organization
HostSG
Country
SG
ASPA
None published

What AS135437 announces

Prefixes originated by AS135437 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
0
IPv4 addresses
3,584 (14 /24s)
RPKI valid
6 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS135437
5
With an IRR route object
6 100%

Announced prefixes

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

Who AS135437 is reached through

The AS just before AS135437 in the paths our looking glass collectors hold, for 6 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

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