ResearchIRR · ALTDB, ARIN, RADB

AS-DNS Global DNS anycast

An as-set registered in ALTDB, ARIN, RADB, maintained by MAINT-DNS, MNT-UL-16, MAINT-AS203391. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS-DNS lists

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

AS26021 AS-DNS3AS26414 AS-DNS4AS203391 CLOUDNSNET
Expanded

Every AS it reaches

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

Show the 3 ASes
AS26021AS26414AS203391
Prefixes

What AS-DNS covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS-DNS (with bgpq4, say) would allow. 16 IPv4 and 11 IPv6. Every one is in the IRR API.

16 IPv4 prefixes
104.153.180.0/23104.153.180.0/24104.153.181.0/24104.153.182.0/23104.153.182.0/24104.153.183.0/24185.136.96.0/22185.136.96.0/24185.136.97.0/24185.136.98.0/24185.136.99.0/2445.83.248.0/2245.83.248.0/2445.83.249.0/2445.83.250.0/2445.83.251.0/24
11 IPv6 prefixes
2620:11c:a000::/472620:11c:a000::/482620:11c:a001::/482620:11c:a002::/472620:11c:a002::/482620:11c:a003::/482a06:fb00:1::/482a06:fb00:2::/482a06:fb00:3::/482a06:fb00:4::/482a06:fb00::/29
Registries

Each registry’s copy

ALTDB2 membersGlobal DNS anycast
Maintained byMAINT-DNS
Last modified2026-08-11
MembersAS26021 AS26414
mbrs-by-refN
ARIN2 membersGlobal DNS anycast transit
Maintained byMNT-UL-16
Last modified2026-08-11T18:07:06Z
MembersAS26021 AS26414
mbrs-by-refN
RADB1 membersDNS
Maintained byMAINT-AS203391
Last modified2024-11-10T22:20:56Z
MembersAS203391
mbrs-by-refN
Tools

Check AS-DNS live

IRR API, with prefixes