ResearchIRR · TC

AS61900:AS-CUSTOMERS as-set containing AS61900 downstream customers

An as-set registered in TC, maintained by MAINT-AS61900. It names 6 ASes and 1 set directly; followed all the way down, it reaches 12 ASes through 2 nested sets.

What AS61900:AS-CUSTOMERS lists

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

Every AS it reaches

What a filter built from AS61900:AS-CUSTOMERS would let in: 12 ASes.

Show the 12 ASes

What AS61900:AS-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 12 ASes it reaches: the prefixes a filter built from AS61900:AS-CUSTOMERS (with bgpq4, say) would allow. 69 IPv4 and 47 IPv6. Every one is in the IRR API.

69 IPv4 prefixes
47 IPv6 prefixes

Each registry’s copy

TC7 membersas-set containing AS61900 downstream customers
Maintained byMAINT-AS61900
Last modified2026-08-07T04:32:44Z
MembersAS28293:AS-ANNOUNCEMENTS AS264484 AS11844 AS262411 AS271356 AS274516 AS271129
mbrs-by-refN

Sets that include AS61900:AS-CUSTOMERS

Check AS61900:AS-CUSTOMERS live