ResearchIRR · ARIN, RIPE

AS-BCH Boston Children's Hospital

An as-set registered in ARIN, RIPE, maintained by MNT-CHC-260, BCH-MNT. It names 3 ASes and 2 sets directly; followed all the way down, it reaches 7 ASes through 3 nested sets.

Members

What AS-BCH lists

3 ASes and 2 sets, written in the object across every registry that holds it. Sets open their own page.

AS-BOXED-ITAS-FREEBIXAS33756 CHC-ASN-AAS35701 BCH-ASAS62383 LDS-AS
Expanded

Every AS it reaches

What a filter built from AS-BCH would let in: 7 ASes.

Show the 7 ASes
AS112AS29533AS33756AS35627AS35701AS50156AS62383
Prefixes

What AS-BCH covers

Every route object in the IRR whose origin is one of the 7 ASes it reaches: the prefixes a filter built from AS-BCH (with bgpq4, say) would allow. 14 IPv4 and 14 IPv6. Every one is in the IRR API.

14 IPv4 prefixes
185.18.150.0/24188.210.92.0/24192.109.204.0/24192.175.48.0/24192.31.196.0/24194.146.121.0/24195.160.166.0/23195.160.166.0/24195.160.167.0/24195.200.224.0/23195.200.225.0/24195.234.45.0/24207.186.204.0/2362.122.36.0/22
14 IPv6 prefixes
2001:4:112::/482001:67c:344::/482001:67c:5c::/482402:60c0::/322602:811:a000::/402620:4f:8000::/482a04:b80::/482a05:7300::/302a0a:7e00::/322a0a:7e01::/322a0a:7e02::/322a0a:7e03::/322a0a:7e06::/322a0a:7e07::/32
Registries

Each registry’s copy

ARIN1 membersBoston Children's Hospital
Maintained byMNT-CHC-260
Last modified2026-04-06T19:08:09Z
MembersAS33756
mbrs-by-refN
RIPE4 membersAS'es announced by BCH Network
Maintained byBCH-MNT
Last modified2022-05-12T13:10:05Z
MembersAS35701 AS-FREEBIX AS-BOXED-IT AS62383
mbrs-by-refN
Used by

Sets that include AS-BCH

AS-HERTELAS-JAGUAR-CUST-BEAS-JAGUAR-CUST-V6-BEAS30781:AS-JAGUAR-CUST-BEAS30781:AS-JAGUAR-CUST-V6-BEAS6696:AS-VERIXI
Tools

Check AS-BCH live

IRR API, with prefixes