ResearchIRR · RIPE

AS51907:AS-DEFAULT N

An as-set registered in RIPE, maintained by CH-ZG-BOT-MNT, CH-ZG-SOS-MNT, CH-ZG-MNT. It names 3 ASes and 2 sets directly; followed all the way down, it reaches 7 ASes through 2 nested sets.

Members

What AS51907:AS-DEFAULT lists

3 ASes and 2 sets, written in the object across every registry that holds it. Sets open their own page.

AS219256:AS-DEFAULTAS34288:AS-DEFAULTAS51907 CH-ZGAS206891 kantonluzernAS211452 KANTONAR
Expanded

Every AS it reaches

What a filter built from AS51907:AS-DEFAULT would let in: 7 ASes.

Show the 7 ASes
AS12553AS21269AS34288AS51907AS206891AS211452AS219256
Prefixes

What AS51907:AS-DEFAULT covers

Every route object in the IRR whose origin is one of the 7 ASes it reaches: the prefixes a filter built from AS51907:AS-DEFAULT (with bgpq4, say) would allow. 14 IPv4 and 12 IPv6. Every one is in the IRR API.

14 IPv4 prefixes
109.233.176.0/21193.105.5.0/24193.134.16.0/20193.134.8.0/21193.5.176.0/23194.40.144.0/23194.40.145.0/24194.40.156.0/22195.95.132.0/2446.234.32.0/1981.94.112.0/2085.158.24.0/2191.232.37.0/2492.118.240.0/22
12 IPv6 prefixes
2001:4b20::/292001:67c:1028::/472001:67c:1028::/482001:67c:1029::/482001:67c:2f94::/482001:67c:5b0::/482a07:291b::/322a09:b240::/292a09:b240::/322a10:8240::/292a10:8240::/322a10:8244::/30
Registries

Each registry’s copy

RIPE5 membersN
Maintained byCH-ZG-BOT-MNT, CH-ZG-SOS-MNT, CH-ZG-MNT
Last modified2026-09-29T08:40:13Z
MembersAS51907 AS34288:AS-DEFAULT AS219256:AS-DEFAULT AS211452 AS206891
mbrs-by-refN
Used by

Sets that include AS51907:AS-DEFAULT

AS-GLOBALAS13030:AS-CHAS211452:AS-DEFAULTAS34288:AS-DEFAULTAS51907:AS-IX:AS-AMSIXAS51907:AS-IX:AS-DECIXAS51907:AS-IX:AS-LINXAS51907:AS-IX:AS-SWISSIXAS51907:AS-PARTNER-ARIAS51907:AS-PEER-SWISSCOMAS51907:AS-TRANSIT-NTSAS51907:AS-TRANSIT-RETNAS51907:AS-TRANSIT-SUNRISE
Tools

Check AS51907:AS-DEFAULT live

IRR API, with prefixes