ResearchIRR · ARIN

AS21777:AS-CUSTOMERS 382 S. Arthur Ave. Suite 120 Louisville CO 80027…

An as-set registered in ARIN, maintained by MNT-MN-407. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS21777:AS-CUSTOMERS lists

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

AS25779AS39938 RCWAS399726 XTREAM-INTERNET-01
Expanded

Every AS it reaches

What a filter built from AS21777:AS-CUSTOMERS would let in: 3 ASes.

Show the 3 ASes
AS25779AS39938AS399726
Prefixes

What AS21777:AS-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS21777:AS-CUSTOMERS (with bgpq4, say) would allow. 9 IPv4 and 3 IPv6. Every one is in the IRR API.

9 IPv4 prefixes
162.250.16.0/21174.34.242.0/23174.34.246.0/23199.190.48.0/21204.144.180.0/24204.144.182.0/23206.168.9.0/24207.174.202.0/24207.174.36.0/22
3 IPv6 prefixes
2602:ff90::/362606:b040:100::/402606:b040::/32
Registries

Each registry’s copy

ARIN3 members382 S. Arthur Ave. Suite 120 Louisville CO 80027 United States
Maintained byMNT-MN-407
Last modified2026-05-12T19:48:53Z
MembersAS25779 AS39938 AS399726
mbrs-by-refN
Used by

Sets that include AS21777:AS-CUSTOMERS

AS21777:AS-ALL
Tools

Check AS21777:AS-CUSTOMERS live

IRR API, with prefixes