ResearchIRR · RIPE

AS-MASTERIT AS from BGP Master IT Technologies a.s.

An as-set registered in RIPE, maintained by MNT-MASTER_IT. It names 4 ASes and 0 sets directly; followed all the way down, it reaches 4 ASes through 0 nested sets.

Members

What AS-MASTERIT lists

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

AS16246 AS16246AS62178 Master_IT_TechnologiesAS196849 ASBARTYSOVAAS201966 OPTIKABELPL
Expanded

Every AS it reaches

What a filter built from AS-MASTERIT would let in: 4 ASes.

Show the 4 ASes
AS16246AS62178AS196849AS201966
Prefixes

What AS-MASTERIT covers

Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS-MASTERIT (with bgpq4, say) would allow. 33 IPv4 and 8 IPv6. Every one is in the IRR API.

33 IPv4 prefixes
176.98.96.0/20178.17.96.0/20185.15.252.0/22185.158.64.0/22185.175.11.0/24185.92.216.0/24185.92.217.0/24185.92.218.0/24185.92.219.0/24188.175.0.0/16188.175.0.0/18213.180.32.0/1977.87.232.0/2178.108.144.0/2178.108.152.0/2182.150.160.0/1986.63.192.0/1991.197.116.0/2291.206.91.0/2491.219.119.0/2492.240.160.0/1994.229.80.0/2494.229.81.0/2494.229.82.0/2494.229.83.0/2494.229.84.0/2394.229.86.0/2494.229.87.0/2494.229.88.0/2494.229.90.0/2494.229.91.0/2494.74.192.0/1895.143.128.0/20
8 IPv6 prefixes
2a02:350::/292a03:b4c0::/322a05:2c0::/342a05:2c7:c000::/342a0d:187::/322a10:f781:10:4068::/642a14:8900::/292a14:8900::/32
Registries

Each registry’s copy

RIPE4 membersAS from BGP Master IT Technologies a.s.
Maintained byMNT-MASTER_IT
Last modified2026-03-11T12:18:31Z
MembersAS62178 AS16246 AS201966 AS196849
mbrs-by-refN
Used by

Sets that include AS-MASTERIT

AS-CZECHBONEAS-EF-GLOBALAS-EP-POLMIXAS-EPIXAS-EPIX-LOCALAS-EPIX-TRANSITAS-NEJCZ-NIXCZAS-NEJCZ-TRANSITAS12570:AS-CUSTOMERS
Tools

Check AS-MASTERIT live

IRR API, with prefixes