ResearchIRR · ARIN

AS21547:AS-CUSTOMERS Firstlight Fiber - All BGP customers connected…

An as-set registered in ARIN, maintained by MNT-TVC-11. It names 4 ASes and 0 sets directly; followed all the way down, it reaches 4 ASes through 0 nested sets.

Members

What AS21547:AS-CUSTOMERS lists

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

AS26030 CYAN-WIRELESSAS36501 DELORME-PUBLISHINGAS36787 WMTW-TV-PORTLANDAS53519 CMHC-ASN
Expanded

Every AS it reaches

What a filter built from AS21547:AS-CUSTOMERS would let in: 4 ASes.

Show the 4 ASes
AS26030AS36501AS36787AS53519
Prefixes

What AS21547:AS-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS21547:AS-CUSTOMERS (with bgpq4, say) would allow. 20 IPv4 and 1 IPv6. Every one is in the IRR API.

20 IPv4 prefixes
12.25.50.0/2412.25.54.0/2412.25.55.0/24130.12.88.0/24157.229.76.0/24167.173.0.0/16167.173.237.0/24167.173.45.0/24206.208.200.0/21206.208.204.0/24206.208.205.0/24206.208.206.0/24206.208.207.0/24208.65.204.0/22208.65.204.0/23208.65.204.0/24208.65.206.0/24208.65.207.0/24208.78.76.0/2223.139.204.0/24
1 IPv6 prefix
2602:f63f::/40
Registries

Each registry’s copy

ARIN4 membersFirstlight Fiber - All BGP customers connected to AS21547
Maintained byMNT-TVC-11
Last modified2022-08-24T19:58:49Z
MembersAS36501 AS36787 AS53519 AS26030
mbrs-by-refN
Used by

Sets that include AS21547:AS-CUSTOMERS

AS21547:AS-ALL
Tools

Check AS21547:AS-CUSTOMERS live

IRR API, with prefixes