ResearchRouting table, RPKI, IRR & looking glass

AS21396 NetConnex Broadband Ltd.

AS21396 (NETCONNEX) is registered to NetConnex Broadband Ltd. in GB. It originates 13 prefixes in the global routing table.

9
IPv4 prefixes
4
IPv6 prefixes
11,008
IPv4 addresses
84%
RPKI valid

Who holds AS21396

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

AS number
AS21396
Handle
NETCONNEX
Organization
NetConnex Broadband Ltd.
Country
GB
ASPA
None published

What AS21396 announces

Prefixes originated by AS21396 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
9
IPv6 prefixes
4
IPv4 addresses
11,008 (43 /24s)
RPKI valid
11 84%
RPKI invalid
0
RPKI not found
2
ROAs naming AS21396
20
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 AS21396 is reached through

The AS just before AS21396 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.