ResearchIRR · RIPE

AS-NAO Net At Once

An as-set registered in RIPE, maintained by NETATONCE-MNT. It names 10 ASes and 3 sets directly; followed all the way down, it reaches 19 ASes through 4 nested sets.

Members

What AS-NAO lists

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

AS-ANSLUTENAS-PATRIKWEBAS-PCLAS35706 NAOAS47467 GRIFFELAS57955 AdvaniaAS201983 ANSLUTEN-ASAS202064 VARGARDA-NETAS204074 NMU-ASAS207448 PEMA-KOMMUNIKATIONER-ASAS208001 NORDLOVXOLBYAS211353 MJOBACK-OVERLIDA-FIBER-ASAS213072 GOAGEX
Expanded

Every AS it reaches

What a filter built from AS-NAO would let in: 19 ASes.

Show the 19 ASes
AS8949AS13214AS35100AS35706AS43071AS47467AS57955AS135682AS201983AS202064AS204074AS206208AS207448AS208001AS209186AS211353AS213072AS218889AS219045
Prefixes

What AS-NAO covers

Every route object in the IRR whose origin is one of the 19 ASes it reaches: the prefixes a filter built from AS-NAO (with bgpq4, say) would allow. 106 IPv4 and 38 IPv6. Every one is in the IRR API.

106 IPv4 prefixes
103.190.54.0/23103.190.54.0/24103.190.55.0/24103.69.196.0/24103.71.99.0/24103.74.54.0/23103.74.54.0/24103.74.55.0/24103.89.45.0/24103.98.194.0/24139.28.236.0/22139.28.236.0/24139.28.237.0/24139.28.238.0/24139.28.239.0/24145.79.134.0/24148.135.210.0/24151.242.37.0/24151.252.128.0/18171.25.152.0/21178.17.63.0/24178.249.144.0/21185.109.84.0/23185.109.86.0/24185.177.164.0/22185.186.56.0/22185.186.56.0/23185.186.58.0/23185.242.2.0/24185.29.20.0/22185.29.20.0/23185.29.22.0/23185.51.224.0/22185.57.104.0/22185.57.104.0/24185.57.105.0/24185.57.106.0/24185.57.107.0/24185.83.92.0/22185.96.152.0/22192.121.60.0/24192.165.132.0/24192.165.197.0/24192.165.27.0/24192.165.4.0/24192.165.46.0/24192.165.47.0/24192.71.173.0/24193.180.217.0/24193.182.243.0/24193.182.244.0/24193.183.193.0/24193.183.208.0/22193.183.80.0/24193.183.85.0/24193.235.198.0/23193.235.64.0/24193.27.192.0/23193.27.193.0/24193.42.212.0/24194.0.225.0/24194.0.227.0/24194.0.228.0/24194.0.231.0/24194.103.134.0/23194.103.135.0/24194.103.46.0/24194.132.156.0/23194.132.180.0/23194.132.212.0/23194.14.27.0/24194.60.80.0/24194.71.122.0/24194.71.138.0/24195.144.4.0/24195.28.28.0/232.27.157.0/242.59.208.0/22212.237.200.0/21212.237.203.0/24212.237.204.0/24217.10.96.0/1931.210.248.0/2131.22.88.0/2131.44.224.0/205.57.240.0/215.57.246.0/245.57.247.0/2462.182.216.0/2162.60.227.0/2477.105.192.0/1882.197.224.0/1985.195.0.0/1887.76.191.0/2487.76.199.0/2491.132.52.0/2291.194.22.0/2391.194.22.0/2491.194.23.0/2491.199.238.0/2491.203.160.0/2291.205.60.0/2291.212.209.0/2491.212.228.0/2491.223.219.0/2491.90.24.0/21
38 IPv6 prefixes
2001:4db8::/322001:678:105c::/482001:67c:16fc::/482001:67c:1b2c::/482001:67c:2680::/482001:67c:560::/482001:67c:7bc::/482001:67c:c5c::/482a00:9620::/322a01:280:358::/482a01:7900::/292a01:7900::/322a01:7901:1000::/392a01:7901:1200::/392a01:7901:1400::/392a01:7901:1600::/392a01:7901:200::/392a01:7901:400::/392a01:7901:600::/392a01:7901:800::/392a01:7901::/322a01:7901::/392a01:7901:a00::/392a01:7901:c00::/392a01:7901:e00::/392a03:1300::/322a04:dcc0::/292a06:c0::/292a0d:d940:90a7::/482a0e:97c0:910::/442a10:fa80:4000::/362a10:fa80:4000::/392a10:fa80:4200::/392a10:fa80:4400::/392a10:fa80:4600::/392a10:fa80:4800::/392a10:fa80:4a00::/392a13:9500:163::/48
Registries

Each registry’s copy

RIPE13 membersNet At Once
Maintained byNETATONCE-MNT
Last modified2026-04-22T10:00:04Z
MembersAS35706 AS-PCL AS-PATRIKWEB AS47467 AS57955 AS201983 AS204074 AS208001 AS213072 AS-ANSLUTEN AS207448 AS202064 AS211353
mbrs-by-refN
Used by

Sets that include AS-NAO

AS-SET-STHIX-CONNECTEDAS-SET-STHIX-RSAS-SET-STHIX-RS-V4AS-SET-STHIX-RS-V6AS-SOLIX-RSAS1299:AS-TWELVE99-EU-V4AS1299:AS-TWELVE99-EU-V6
Tools

Check AS-NAO live

IRR API, with prefixes