ResearchIRR · ARIN

AS40523:AS-ALL OACYS Technology - All related ASN

An as-set registered in ARIN, maintained by MNT-OACYST. It names 1 AS and 1 set directly; followed all the way down, it reaches 2 ASes through 1 nested sets.

Members

What AS40523:AS-ALL lists

1 AS and 1 set, written in the object across every registry that holds it. Sets open their own page.

AS40523:AS-CUSTOMERSAS40523 OACYS-INTERNET
Expanded

Every AS it reaches

What a filter built from AS40523:AS-ALL would let in: 2 ASes.

Show the 2 ASes
AS40523AS393550
Prefixes

What AS40523:AS-ALL covers

Every route object in the IRR whose origin is one of the 2 ASes it reaches: the prefixes a filter built from AS40523:AS-ALL (with bgpq4, say) would allow. 4 IPv4 and 2 IPv6. Every one is in the IRR API.

4 IPv4 prefixes
172.83.224.0/20192.41.177.0/24208.19.48.0/2064.18.240.0/20
2 IPv6 prefixes
2001:470:1c5::/482604:d00::/32
Registries

Each registry’s copy

ARIN2 membersOACYS Technology - All related ASN
Maintained byMNT-OACYST
Last modified2025-05-28T00:46:38Z
MembersAS40523 AS40523:AS-CUSTOMERS
mbrs-by-refN
Tools

Check AS40523:AS-ALL live

IRR API, with prefixes