ResearchRouting table, RPKI, IRR & looking glass

AS27975 SYNAPSIS COLOMBIA SAS

AS27975 (AS27975) is registered to SYNAPSIS COLOMBIA SAS in CO. It originates 84 prefixes in the global routing table.

81
IPv4 prefixes
3
IPv6 prefixes
20,480
IPv4 addresses
97%
RPKI valid

Who holds AS27975

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

AS number
AS27975
Handle
AS27975
Organization
SYNAPSIS COLOMBIA SAS
Country
CO
ASPA
None published

What AS27975 announces

Prefixes originated by AS27975 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
81
IPv6 prefixes
3
IPv4 addresses
20,480 (80 /24s)
RPKI valid
82 97%
RPKI invalid
1
RPKI not found
1
ROAs naming AS27975
4
With an IRR route object
83 98%

Who AS27975 is reached through

The AS just before AS27975 in the paths our looking glass collectors hold, for 60 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.