ResearchIRR · ALTDB, TC

AS271387:AS-EMFIBRA-CUSTOMERS ASN Customers

An as-set registered in ALTDB, TC, maintained by MAINT-AS271387. It names 22 ASes and 0 sets directly; followed all the way down, it reaches 22 ASes through 0 nested sets.

Every AS it reaches

What a filter built from AS271387:AS-EMFIBRA-CUSTOMERS would let in: 22 ASes.

Show the 22 ASes

What AS271387:AS-EMFIBRA-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 22 ASes it reaches: the prefixes a filter built from AS271387:AS-EMFIBRA-CUSTOMERS (with bgpq4, say) would allow. 136 IPv4 and 74 IPv6. Every one is in the IRR API.

136 IPv4 prefixes
138.186.10.0/23138.186.10.0/24138.186.11.0/24138.186.8.0/22138.186.8.0/23138.186.8.0/24138.186.9.0/24170.245.244.0/22170.245.244.0/23170.245.244.0/24170.245.245.0/24170.245.246.0/23170.245.246.0/24170.245.247.0/24170.80.188.0/22170.80.188.0/23170.80.188.0/24170.80.189.0/24170.80.190.0/23170.80.190.0/24170.80.191.0/24177.38.200.0/21177.38.200.0/22177.38.200.0/24177.38.201.0/24177.38.202.0/24177.38.204.0/22177.38.205.0/24177.38.207.0/24179.48.12.0/22179.48.12.0/23179.48.14.0/23186.208.0.0/20186.208.0.0/23186.208.1.0/24186.208.10.0/23186.208.12.0/23186.208.14.0/23186.208.2.0/23186.208.3.0/24186.208.4.0/23186.208.6.0/23186.208.8.0/23187.62.90.0/24191.128.245.0/24191.160.42.0/23191.160.42.0/24191.160.43.0/24191.227.128.0/24191.7.144.0/20191.7.144.0/24191.7.145.0/24191.7.146.0/24191.7.147.0/24191.7.148.0/24191.7.149.0/24191.7.150.0/24191.7.151.0/24191.7.152.0/23191.7.152.0/24191.7.153.0/24191.7.154.0/23191.7.154.0/24191.7.155.0/24191.7.156.0/24191.7.157.0/24191.7.158.0/24191.7.159.0/24200.215.224.0/22200.215.224.0/23200.215.226.0/23204.157.236.0/2438.156.17.0/2438.210.62.0/2438.4.208.0/2438.7.216.0/2338.7.216.0/2438.7.217.0/2445.160.215.0/2445.164.180.0/2245.164.182.0/2345.164.182.0/2445.164.183.0/2445.171.3.0/2445.173.100.0/2245.173.100.0/2345.173.100.0/2445.173.101.0/2445.173.102.0/2345.173.102.0/2445.173.103.0/2445.173.84.0/2245.173.84.0/2345.173.84.0/2445.173.85.0/2445.173.86.0/2345.173.86.0/2445.173.87.0/2445.224.112.0/2245.224.112.0/2345.224.112.0/2445.224.113.0/2445.224.114.0/2345.226.208.0/2245.226.208.0/2445.226.209.0/2445.226.210.0/2445.226.211.0/2445.226.252.0/2245.226.252.0/2445.226.253.0/2445.226.254.0/2445.226.255.0/2445.230.220.0/2245.230.220.0/2345.230.222.0/2345.230.222.0/2445.230.223.0/2445.234.10.0/2345.234.8.0/2245.234.8.0/2345.235.92.0/2245.235.92.0/2345.235.92.0/2445.235.93.0/2445.235.94.0/2345.235.94.0/2445.235.95.0/2445.70.216.0/2245.70.216.0/2445.70.217.0/2445.70.219.0/2445.71.232.0/2245.71.232.0/2345.71.234.0/2379.182.49.0/24
74 IPv6 prefixes

Each registry’s copy

ALTDB22 membersASN Customers
Maintained byMAINT-AS271387
Last modified2026-01-09
MembersAS262713 AS263320 AS266030 AS266390 AS267009 AS267056 AS267184 AS267408 AS267410 AS267588 AS267632 AS267657 AS268636 AS268809 AS268860 AS270243 AS271160 AS271387 AS272723 AS273659 AS52511 AS52759
mbrs-by-refN
TC20 membersEMFIBRA TELECOM
Maintained byMAINT-AS271387
Last modified2026-01-09T13:01:19Z
MembersAS262713 AS263320 AS266030 AS266390 AS267009 AS267056 AS267184 AS267408 AS267410 AS267588 AS267632 AS267657 AS268636 AS268809 AS268860 AS270243 AS271160 AS271387 AS272723 AS273659
mbrs-by-refN

Sets that include AS271387:AS-EMFIBRA-CUSTOMERS

Check AS271387:AS-EMFIBRA-CUSTOMERS live