ResearchIRR · NTTCOM

AS-FOREMOST ASes to which we provide transit (+ our AS)

An as-set registered in NTTCOM, maintained by MAINT-FOREMOST. It names 10 ASes and 0 sets directly; followed all the way down, it reaches 10 ASes through 0 nested sets.

Members

What AS-FOREMOST lists

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

AS20280 CORPUS-CHRISTI-ISD-AS1AS23486 NETSPANAS26670 MCISD-ASAS29753 BROISDTXASNAS40049 ESC-2AS54800 LAREDOISDAS62558 WESLACO-ISDAS393332 MCALLENISD-TXAS395112 BEAUMONT-ISD-01AS400287 TEAMPHARR-ASN
Expanded

Every AS it reaches

What a filter built from AS-FOREMOST would let in: 10 ASes.

Show the 10 ASes
AS20280AS23486AS26670AS29753AS40049AS54800AS62558AS393332AS395112AS400287
Prefixes

What AS-FOREMOST covers

Every route object in the IRR whose origin is one of the 10 ASes it reaches: the prefixes a filter built from AS-FOREMOST (with bgpq4, say) would allow. 28 IPv4 and 1 IPv6. Every one is in the IRR API.

28 IPv4 prefixes
104.255.96.0/21170.76.243.0/24192.149.90.0/23192.149.90.0/24192.149.91.0/24194.164.102.0/23198.22.170.0/24198.232.222.0/23198.232.222.0/24198.232.223.0/24198.96.22.0/24199.192.244.0/22199.255.72.0/23199.255.72.0/24199.255.73.0/24199.58.128.0/21199.7.220.0/22204.13.159.0/24204.141.240.0/22204.29.205.0/24207.193.136.0/24208.65.16.0/22208.68.152.0/2238.103.228.0/2265.248.118.0/2466.136.109.0/2474.122.64.0/218.19.114.0/23
1 IPv6 prefix
2607:afc0::/32
Registries

Each registry’s copy

NTTCOM10 membersASes to which we provide transit (+ our AS)
Maintained byMAINT-FOREMOST
Last modified2022-06-20T15:28:10Z
MembersAS23486 AS26670 AS62558 AS29753 AS54800 AS20280 AS40049 AS395112 AS400287 AS393332
mbrs-by-refN
Used by

Sets that include AS-FOREMOST

AS1299:AS-TWELVE99-NA-V4AS1299:AS-TWELVE99-NA-V6
Tools

Check AS-FOREMOST live

IRR API, with prefixes