ResearchIRR · AFRINIC, ALTDB, ARIN, RIPE

AS-LEGACY LEGACY

An as-set registered in AFRINIC, ALTDB, ARIN, RIPE, maintained by OOOD-MNT, MAINT-CASTRO, MNT-CTL-383. It names 13 ASes and 0 sets directly; followed all the way down, it reaches 13 ASes through 0 nested sets.

Members

What AS-LEGACY lists

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

AS112 AS112-PROJECTAS5536 XyberdataAS19577 CASTRO-TELECOMAS25152 K-ROOT-SERVERAS33733 CASTRO-TELECOMAS200454 TOM-ASAS203619 ivpnAS211772 ITRBAS213886 ZR3SYSTEMSAS214696 UNCOLLAPSE-ASAS214913 WEBTEJO-ASAS215153 SILVIO-SILVAAS397525 ALPHAONE-AS
Expanded

Every AS it reaches

What a filter built from AS-LEGACY would let in: 13 ASes.

Show the 13 ASes
AS112AS5536AS19577AS25152AS33733AS200454AS203619AS211772AS213886AS214696AS214913AS215153AS397525
Prefixes

What AS-LEGACY covers

Every route object in the IRR whose origin is one of the 13 ASes it reaches: the prefixes a filter built from AS-LEGACY (with bgpq4, say) would allow. 39 IPv4 and 35 IPv6. Every one is in the IRR API.

39 IPv4 prefixes
102.218.128.0/24102.218.130.0/24102.219.22.0/24102.220.125.0/2412.41.188.0/24131.143.84.0/22131.143.84.0/24131.143.85.0/24131.143.86.0/24131.143.87.0/24143.20.12.0/24192.148.103.0/24192.156.210.0/24192.175.48.0/24192.31.196.0/24193.0.14.0/23193.0.14.0/24193.0.15.0/24193.0.16.0/23193.0.16.0/24193.0.17.0/24199.16.240.0/22199.16.240.0/24199.16.241.0/24199.16.242.0/23199.16.242.0/24199.16.243.0/24208.85.8.0/22208.85.8.0/23208.85.8.0/24217.174.145.0/2423.147.168.0/2423.150.204.0/2444.31.210.0/2444.31.36.0/2444.32.92.0/2464.93.80.0/2270.150.209.0/2489.124.253.0/24
35 IPv6 prefixes
2001:4:112::/482001:67c:1b40::/482001:67c:c0c::/482001:7fd:15::/482001:7fd:16::/482001:7fd:17::/482001:7fd::/322001:7fd::/482001:7fd:ffff::/482602:f531:100::/482602:f531:101::/482602:f531:102::/482602:f531::/362602:fa9b:c0::/482602:faa5:134::/482602:faa5:53::/482602:faa5::/322602:faa5::/362602:faa5:b00::/402602:faa5:f0c::/482602:faa5:f0d::/482602:faa5:f10::/482602:faa5:fff::/482602:fac7::/362620:4f:8000::/482a03:c040::/322a03:c040::/482a05:9f04:100::/482a0a:6040:aa00::/402a0f:85c1:8c8::/482a0f:b240:7400::/402a0f:b241:10::/482a0f:c442:8000::/482a0f:c442:c000::/482a13:9500:c1::/48
Registries

Each registry’s copy

AFRINIC1 membersLEGACY
Maintained byOOOD-MNT
Last modified2026-09-08
MembersAS5536
mbrs-by-refN
ALTDB11 membersCastro Internet
Maintained byMAINT-CASTRO
Last modified2025-02-19
MembersAS397525 AS214696 AS203619 AS200454 AS213886 AS25152 AS19577 AS214913 AS215153 AS33733 AS112
mbrs-by-refN
ARIN12 membersCASTRO-INTERNET
Maintained byMNT-CTL-383
Last modified2025-11-01T06:51:22Z
MembersAS397525 AS214696 AS200454 AS203619 AS211772 AS213886 AS214913 AS215153 AS33733 AS19577 AS25152 AS112
mbrs-by-refN
RIPE12 membersTomas Leite de Castro's AS-SET
Maintained byCASTRO-MNT
Last modified2025-11-01T04:34:00Z
MembersAS200454 AS397525 AS214696 AS203619 AS211772 AS213886 AS214913 AS215153 AS33733 AS19577 AS25152 AS112
mbrs-by-refN
Used by

Sets that include AS-LEGACY

AS-GVVMEAS-KCIX-MEMBERSAS-LIGATAS33733:AS-RSPEERS
Tools

Check AS-LEGACY live

IRR API, with prefixes