ResearchIRR · RIPE

AS42237:AS-W1N N

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

Members

What AS42237:AS-W1N lists

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

AS42237 w1n
Expanded

Every AS it reaches

What a filter built from AS42237:AS-W1N would let in: 1 ASes.

Show the 1 ASes
AS42237
Prefixes

What AS42237:AS-W1N covers

Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS42237:AS-W1N (with bgpq4, say) would allow. 8 IPv4 and 20 IPv6. Every one is in the IRR API.

8 IPv4 prefixes
185.217.0.0/24185.217.1.0/24185.246.128.0/24185.246.129.0/24185.246.130.0/24185.255.122.0/24193.105.134.0/2491.236.116.0/24
20 IPv6 prefixes
2a0b:c040::/322a0b:c041::/322a0b:c042::/322a0b:c043::/322a0b:c044::/322a0b:c045::/322a0b:c046::/322a0b:c047::/322a0d:8980::/322a0d:8981::/322a0d:8982::/322a0d:8983::/322a0d:8984::/322a0d:8985::/322a0d:8986::/322a0d:8987::/322a10:e0c0::/322a10:e0c1::32/1282a10:e0c2::32/1282a13:80::/32
Registries

Each registry’s copy

RIPE1 membersN
Maintained byLIR-UK-WIN-1-MNT
Last modified2026-08-17T20:01:48Z
MembersAS42237
mbrs-by-refN
Used by

Sets that include AS42237:AS-W1N

AS-OBE
Tools

Check AS42237:AS-W1N live

IRR API, with prefixes