ResearchIRR · RADB

AS20021:AS-CUSTOMERS AS20021 transit customers

An as-set registered in RADB, maintained by MAINT-AS20021. It names 9 ASes and 0 sets directly; followed all the way down, it reaches 9 ASes through 0 nested sets.

Members

What AS20021:AS-CUSTOMERS lists

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

AS10723 MGL-40-ASNAS15216 HOSTWAYAS40481 G3-ASN-1AS46511 MMC-026AS53658 SOCKETLABSAS54988 CMAS1AS55117 LVSCUAS62671 UNIVERSITY-OF-COLORADO-SYSTEMAS396077 UDR-US
Expanded

Every AS it reaches

What a filter built from AS20021:AS-CUSTOMERS would let in: 9 ASes.

Show the 9 ASes
AS10723AS15216AS40481AS46511AS53658AS54988AS55117AS62671AS396077
Prefixes

What AS20021:AS-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 9 ASes it reaches: the prefixes a filter built from AS20021:AS-CUSTOMERS (with bgpq4, say) would allow. 28 IPv4 and 0 IPv6. Every one is in the IRR API.

28 IPv4 prefixes
103.84.212.0/24142.0.180.0/22162.247.244.0/24162.247.246.0/24172.83.201.0/24192.30.150.0/24192.30.151.0/24204.10.190.0/24204.228.68.0/22204.228.68.0/24204.228.69.0/24204.8.180.0/24208.75.192.0/2266.113.160.0/2166.113.188.0/2266.113.208.0/2066.113.224.0/1966.138.250.0/2484.40.0.0/2084.40.32.0/2184.40.32.0/2484.40.33.0/2484.40.34.0/2484.40.35.0/2484.40.36.0/2484.40.37.0/2484.40.38.0/2484.40.39.0/24
Registries

Each registry’s copy

RADB9 membersAS20021 transit customers
Maintained byMAINT-AS20021
Last modified2026-08-13T15:59:59Z
MembersAS10723 AS15216 AS40481 AS46511 AS53658 AS54988 AS55117 AS62671 AS396077
mbrs-by-refN
Used by

Sets that include AS20021:AS-CUSTOMERS

AS-HOSTINGAS20021:AS-ALL
Tools

Check AS20021:AS-CUSTOMERS live

IRR API, with prefixes