ResearchRouting table, RPKI, IRR & looking glass

AS142561 XTDEF Limited

AS142561 (XTDEF-LIMITED-AS-AP) is registered to XTDEF Limited in US. It originates 13 prefixes in the global routing table.

5
IPv4 prefixes
8
IPv6 prefixes
1,280
IPv4 addresses
100%
RPKI valid

Who holds AS142561

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

AS number
AS142561
Handle
XTDEF-LIMITED-AS-AP
Organization
XTDEF Limited
Country
US
ASPA
None published

What AS142561 announces

Prefixes originated by AS142561 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
8
IPv4 addresses
1,280 (5 /24s)
RPKI valid
13 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS142561
10
With an IRR route object
13 100%

Announced prefixes

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

Who AS142561 is reached through

The AS just before AS142561 in the paths our looking glass collectors hold, for 13 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
APNICXTDEF-LIMITED-AS-APAPNIC-HM

Route objects with origin AS142561: APNIC 31 · RADB 9 · RIPE 8

as-sets that list AS142561 (11)