ResearchIRR · RADB

AS237:AS-CUSTOMERS Merit customer ASNs

An as-set registered in RADB, maintained by MAINT-AS237. It names 41 ASes and 2 sets directly; followed all the way down, it reaches 41 ASes through 2 nested sets.

Members

What AS237:AS-CUSTOMERS lists

41 ASes and 2 sets, written in the object across every registry that holds it. Sets open their own page. 1 of the sets is not registered in any IRR we mirror, so a filter built from AS237:AS-CUSTOMERS gets nothing from it.

AS231:AS-CONEAS398261:AS-MCCC not registeredAS177 UMICH-AS-1AS229 MERIT-AS-6AS231 MISU-231AS1432 AC-AS-1AS1638 MCC-CAMPUSAS3730 AQUINA-001AS11206 FSU-AS-1AS11494 KELLOGGCCAS14924 MERIT-AS-30AS15099 MONROE-COUNTY-MI-PUBLIC-ASNAS19106 ANDREWSAS22217 CALVIN-UNIVERSITYAS22251 REMCAS25609 DMCAS26174 SVSUAS27274 CMICHAS30154 DAVENAS32274 LENAWEE-MONROE-TECHNOLOGY-CONSORTIUMAS32285 HFCCAS36375 UMICH-AS-5AS40044 BRONSON-HEALTHCARE-GROUP-INCAS46119 MIDMICHIGANHEALTH-AS-1AS46241 WASHTENAW-ISD-ASNAS46825 CBPUAS46970 ALLBANDCOMMUNICATIONSAS53263 GRCC-AS1AS62618 MICHIGANTECHAS62676 UMD-PUBLIC-ASAS393665 BAKERSAS393817 LMC-BHAS394769 UMF-7-ASAS395638 OTTAWACO-ASN1AS395945 HBPWAS396470 LCC-EDUAS397546 GAMERS-OUTREACH-ASAS397797 CITYOFMARSHALL-01AS398401 CRONUSAS400238 PIEG-01AS400610 MID-MICH-NET-EDUC-TELE-3AS400927 BARGER-CREEKAS402639 WASHTENAW-COMMUNITY-COLLEGE
Expanded

Every AS it reaches

What a filter built from AS237:AS-CUSTOMERS would let in: 41 ASes.

Show the 41 ASes
AS177AS229AS231AS1432AS1638AS3730AS11206AS11494AS14924AS15099AS19106AS22217AS22251AS25609AS26174AS27274AS30154AS32274AS32285AS36375AS40044AS46119AS46241AS46825AS46970AS53263AS62618AS62676AS393665AS393817AS394769AS395638AS395945AS396470AS397546AS397797AS398401AS400238AS400610AS400927AS402639
Prefixes

What AS237:AS-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 41 ASes it reaches: the prefixes a filter built from AS237:AS-CUSTOMERS (with bgpq4, say) would allow. 156 IPv4 and 19 IPv6. Every one is in the IRR API.

156 IPv4 prefixes
104.36.72.0/22108.171.0.0/19109.73.224.0/20141.209.0.0/16141.211.0.0/16141.212.0.0/16141.213.0.0/16141.214.0.0/16141.215.0.0/16141.216.0.0/16141.219.0.0/16143.207.0.0/16146.88.228.0/22147.124.0.0/21147.124.8.0/22147.185.189.0/24147.185.208.0/24147.185.210.0/24147.185.216.0/24147.185.219.0/24147.185.225.0/24149.19.110.0/24149.36.242.0/23153.106.0.0/16154.21.208.0/23155.138.0.0/16155.138.0.0/18155.139.0.0/16158.80.216.0/21161.57.0.0/16162.249.184.0/22192.108.188.0/24192.108.190.0/24192.108.191.0/24192.109.104.0/24192.12.80.0/24192.122.181.0/24192.122.192.0/21192.153.163.0/24192.189.40.0/24192.203.222.0/23192.203.222.0/24192.203.223.0/24192.231.113.0/24192.231.253.0/24192.41.230.0/23192.41.232.0/23192.41.236.0/23192.92.13.0/24198.108.140.0/23198.108.8.0/21198.109.100.0/23198.109.96.0/22198.111.181.0/25198.111.224.0/22198.140.228.0/24198.17.179.0/24198.235.255.0/24199.242.28.0/22204.25.200.0/21204.25.200.0/22204.25.204.0/22204.25.208.0/22204.25.208.0/24204.25.209.0/24204.25.210.0/24204.25.211.0/24204.8.116.0/22204.8.76.0/22205.137.240.0/22206.109.78.0/24206.225.29.0/24207.190.160.0/19207.190.160.0/21207.190.168.0/22207.190.173.0/24207.190.174.0/23207.190.176.0/20207.190.188.0/24207.244.221.0/24207.244.222.0/24207.74.90.0/23207.75.104.0/22207.75.144.0/20208.68.24.0/22208.68.24.0/24208.68.25.0/24208.68.26.0/24208.68.27.0/24209.127.100.0/22209.145.41.0/24209.209.80.0/22216.114.68.0/24216.87.35.0/24216.87.36.0/24216.87.51.0/24216.87.52.0/24216.87.57.0/24216.87.59.0/24216.87.61.0/2423.247.148.0/2235.0.0.0/1635.1.0.0/1635.2.0.0/1635.20.0.0/1435.3.0.0/1635.32.0.0/1635.33.64.0/1935.34.48.0/2035.34.64.0/2035.4.0.0/1635.5.0.0/1635.54.0.0/2035.6.0.0/1635.62.10.0/2335.62.12.0/2235.62.16.0/2235.62.20.0/2235.62.24.0/2235.62.8.0/2435.7.0.0/1835.7.112.0/2035.7.128.0/1835.7.224.0/1935.8.0.0/1338.103.122.0/2438.65.228.0/2338.77.154.0/2444.103.48.0/2350.203.3.0/2450.227.122.0/2463.64.40.0/2463.75.57.0/2466.202.192.0/1866.202.192.0/1966.202.224.0/1966.202.224.0/2466.219.112.0/2266.219.112.0/2366.219.114.0/2366.219.116.0/2266.219.116.0/2366.219.116.0/2466.219.118.0/2366.219.120.0/2266.219.120.0/2366.219.122.0/2366.219.124.0/2266.219.124.0/2366.219.126.0/2366.231.32.0/1967.194.0.0/1667.210.0.0/2274.116.152.0/2274.116.153.0/2474.116.154.0/24
19 IPv6 prefixes
2001:470:3a1::/482001:48a8:68f7::/482001:48a8:68fd::/482602:fc02::/362602:fde1::/362604:5ac0::/322604:7840::/322605:42c0::/322605:6640::/322605:dd00::/322606:35c0::/322607:f018::/322607:f018:fffe::/482607:fd30::/322607:ff30::/322620:0:2be0::/482620:114:5000::/402620:11b:1000::/402620:a8::/48
Registries

Each registry’s copy

RADB43 membersMerit customer ASNs
Maintained byMAINT-AS237
Last modified2026-08-26T14:20:14Z
MembersAS231:AS-CONE AS177 AS229 AS231 AS1432 AS1638 AS3730 AS11206 AS11494 AS15099 AS19106 AS22217 AS22251 AS25609 AS27274 AS30154 AS32285 AS32274 AS36375 AS40044 AS46119 AS46241 AS46970 AS53263 AS62618 AS62676 AS393665 AS393817 AS394769 AS395945 AS397546 AS397797 AS395638 AS400238 AS400610 AS400927 AS396470 AS398261:AS-MCCC AS46825 AS402639 AS26174 AS398401 AS14924
mbrs-by-refN
Used by

Sets that include AS237:AS-CUSTOMERS

AS-MICHNET
Tools

Check AS237:AS-CUSTOMERS live

IRR API, with prefixes