ResearchIRR · LACNIC

AS27818:AS-COTESMA Cotesma

An as-set registered in LACNIC, maintained by MNT-AR-COTE6-LACNIC. It names 1 AS and 0 sets directly; followed all the way down, it reaches 1 ASes through 0 nested sets.

Members

What AS27818:AS-COTESMA lists

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

AS27818 AS27818
Expanded

Every AS it reaches

What a filter built from AS27818:AS-COTESMA would let in: 1 ASes.

Show the 1 ASes
AS27818
Prefixes

What AS27818:AS-COTESMA covers

Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS27818:AS-COTESMA (with bgpq4, say) would allow. 6 IPv4 and 20 IPv6. Every one is in the IRR API.

6 IPv4 prefixes
131.161.152.0/22181.114.128.0/19181.114.128.0/20181.114.144.0/21200.47.43.0/24201.220.160.0/19
20 IPv6 prefixes
2803:3380:1000::/362803:3380:1000::/402803:3380:1100::/402803:3380:1200::/402803:3380:2000::/362803:3380:3000::/362803:3380:4000::/362803:3380:5000::/362803:3380:6000::/362803:3380:7000::/362803:3380:8000::/362803:3380:9000::/362803:3380:a000::/362803:3380:b000::/362803:3380:c000::/362803:3380:d000::/362803:3380:e000::/362803:3380:f000::/362803:3380:fe00::/402803:3380:ff00::/40
Registries

Each registry’s copy

LACNIC1 membersCotesma
Maintained byMNT-AR-COTE6-LACNIC
Last modified2026-05-28
MembersAS27818
mbrs-by-refN
Tools

Check AS27818:AS-COTESMA live

IRR API, with prefixes