ResearchIRR · ALTDB, ARIN, RIPE

AS-CASTRO CASTRO AS-SET

An as-set registered in ALTDB, ARIN, RIPE, maintained by MAINT-CASTRO, MNT-CTL-383, CASTRO-MNT. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS-CASTRO lists

3 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS200454 TOM-ASAS200952 BARATAAS203619 ivpn
Expanded

Every AS it reaches

What a filter built from AS-CASTRO would let in: 3 ASes.

Show the 3 ASes
AS200454AS200952AS203619
Prefixes

What AS-CASTRO covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS-CASTRO (with bgpq4, say) would allow. 13 IPv4 and 12 IPv6. Every one is in the IRR API.

13 IPv4 prefixes
131.143.87.0/24192.148.103.0/24192.156.210.0/24199.16.241.0/24199.16.242.0/23199.16.242.0/24199.16.243.0/24208.85.8.0/22208.85.8.0/23208.85.8.0/2423.147.168.0/2464.93.80.0/2289.124.253.0/24
12 IPv6 prefixes
2602:fa9b:c0::/482602:faa5:53::/482602:faa5::/322602:faa5::/362602:faa5:fff::/482a03:c040::/322a03:c040::/482a06:a005:2660::/442a07:54c0:ffee::/482a07:54c2:b00b::/482a0a:6040:aa00::/402a0f:b241:10::/48
Registries

Each registry’s copy

ALTDB3 membersCASTRO AS-SET
Maintained byMAINT-CASTRO
Last modified2023-03-11
MembersAS203619 AS200454 AS200952
mbrs-by-refN
ARIN3 membersObject Mirrored from RIPE's DB
Maintained byMNT-CTL-383
Last modified2025-08-26T11:37:38Z
MembersAS200454 AS203619 AS200952
mbrs-by-refN
RIPE3 membersN
Maintained byCASTRO-MNT
Last modified2023-01-11T11:22:28Z
MembersAS203619 AS200454 AS200952
mbrs-by-refCASTRO-MNT
Used by

Sets that include AS-CASTRO

AS-4IXP
Tools

Check AS-CASTRO live

IRR API, with prefixes