ResearchRouting table, RPKI, IRR & looking glass

AS51409 Sipsynergy Limited

AS51409 (SIPSYNERGY) is registered to Sipsynergy Limited in GB. It originates 12 prefixes in the global routing table.

12
IPv4 prefixes
0
IPv6 prefixes
3,072
IPv4 addresses
100%
RPKI valid

Who holds AS51409

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

AS number
AS51409
Handle
SIPSYNERGY
Organization
Sipsynergy Limited
Country
GB
ASPA
None published

What AS51409 announces

Prefixes originated by AS51409 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
12
IPv6 prefixes
0
IPv4 addresses
3,072 (12 /24s)
RPKI valid
12 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS51409
18
With an IRR route object
12 100%

Announced prefixes

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

Who AS51409 is reached through

The AS just before AS51409 in the paths our looking glass collectors hold, for 12 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.

Sourceas-nameMaintained by
RIPESIPSYNERGYRIPE-NCC-END-MNT, MNT-UK-SIPSYNERGY-1

Route objects with origin AS51409: RIPE 18

as-sets that list AS51409 (10)