AS25540:AS-CUSTOMERS:AS-CASTLEIT CASTLEIT AS-SET managed by Alphalink
An as-set registered in RIPE, maintained by ALPHALINK-MNT. It names 1 AS and 0 sets directly; followed all the way down, it reaches 1 ASes through 0 nested sets.
Members
What AS25540:AS-CUSTOMERS:AS-CASTLEIT lists
1 AS and 0 sets, written in the object across every registry that holds it. Sets open their own page.
Expanded
Every AS it reaches
What a filter built from AS25540:AS-CUSTOMERS:AS-CASTLEIT would let in: 1 ASes.
Show the 1 ASes
Prefixes
What AS25540:AS-CUSTOMERS:AS-CASTLEIT covers
Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS25540:AS-CUSTOMERS:AS-CASTLEIT (with bgpq4, say) would allow. 4 IPv4 and 3 IPv6. Every one is in the IRR API.
3 IPv6 prefixes
Registries
Each registry’s copy
RIPE1 membersCASTLEIT AS-SET managed by Alphalink
| Maintained by | ALPHALINK-MNT |
| Last modified | 2025-07-11T12:55:10Z |
| Members | AS204657 |
| mbrs-by-ref | N |