AS Number
AS237
AS Name
MERIT-AS-14
Org Name
Merit Network Inc.
Registry

arin

RegDate

2009-12-08

Updated

2020-04-21

AS237 Looking Glass
IPv4Prefixes

108

IPv6Prefixes

9

IPv4 NUMs

5,729,536

IPv6 NUMs(/64)

12,886,147,072

5,729,536 IPv4 Addresses
CIDR Description IP Num
23.135.208.0/24 ANYROAM 256
35.0.0.0/10 University of Michigan 4194304
35.7.112.0/20 University of Michigan - Flint 4096
35.16.0.0/16 Wayne State University 65536
35.24.0.0/17 Northern Michigan University (C07537175) 32768
35.24.128.0/18 Northern Michigan University (C07537175) 16384
35.24.192.0/19 Northern Michigan University 8192
35.24.224.0/19 Northern Michigan University 8192
35.25.0.0/16 Northern Michigan University 65536
35.33.0.0/18 Central Michigan University 16384
35.33.5.0/24 Central Michigan University 256
35.33.6.0/24 Central Michigan University 256
35.33.96.0/19 Merit Network Inc. 8192
35.34.0.0/18 Central Michigan University 16384
35.37.0.0/16 Merit Network Inc. 65536
35.38.0.0/16 Grand Valley State University 65536
35.38.192.0/18 Grand Valley State University 16384
35.39.0.0/19 Grand Valley State University 8192
35.39.32.0/19 Grand Valley State University 8192
35.39.64.0/19 Grand Valley State University 8192
35.39.128.0/19 Grand Valley State University 8192
35.39.160.0/19 Grand Valley State University 8192
35.39.192.0/19 Grand Valley State University 8192
35.39.224.0/19 Grand Valley State University 8192
35.40.0.0/16 Grand Valley State University 65536
35.46.0.0/18 Western Michigan University 16384
35.46.64.0/18 Western Michigan University 16384
35.50.0.0/18 Oakland University 16384
35.50.0.0/17 Oakland University 32768
35.50.64.0/18 Oakland University 16384
35.58.0.0/16 Lake Superior State University 65536
35.62.0.0/16 City of Marshall 65536
35.62.12.0/22 Barger Creek Wireless 1024
35.63.0.0/16 Merit Network Inc. 65536
35.64.0.0/15 Merit Network Inc. 131072
35.64.0.0/14 Merit Network Inc. 262144
35.66.0.0/15 Merit Network Inc. 131072
35.68.0.0/16 Merit Network Inc. 65536
35.68.0.0/15 Merit Network Inc. 131072
35.69.0.0/16 Merit Network Inc. 65536
35.70.0.0/17 Merit Network Inc. 32768
35.70.0.0/16 Merit Network Inc. 65536
35.70.128.0/17 Merit Network Inc. 32768
35.71.0.0/19 Merit Network Inc. 8192
35.71.0.0/18 Merit Network Inc. 16384
35.71.32.0/19 Merit Network Inc. 8192
74.115.236.0/24 Oakland Community College 256
74.115.236.0/23 Oakland Community College 512
74.115.237.0/24 Oakland Community College 256
141.210.0.0/24 Oakland University 256
141.210.0.0/17 Oakland University 32768
141.210.0.0/16 Oakland University 65536
141.210.32.0/19 Oakland University 8192
141.210.128.0/17 Oakland University 32768
141.210.224.0/19 Oakland University 8192
141.217.0.0/24 Wayne State University 256
141.217.0.0/16 Wayne State University 65536
141.218.0.0/24 Western Michigan University 256
141.218.0.0/16 Western Michigan University 65536
141.218.11.0/24 Western Michigan University 256
141.218.203.0/24 Western Michigan University 256
141.218.204.0/22 Western Michigan University 1024
141.218.208.0/20 Western Michigan University 4096
141.218.224.0/22 Western Michigan University 1024
141.218.228.0/23 Western Michigan University 512
148.61.0.0/24 Grand Valley State University 256
148.61.0.0/16 Grand Valley State University 65536
161.133.0.0/17 Delta College 32768
161.133.2.0/24 Delta College 256
161.133.104.0/21 Delta College 2048
161.133.112.0/21 Delta College 2048
161.133.120.0/21 Delta College 2048
161.133.128.0/17 Delta College 32768
161.133.129.0/24 Delta College 256
163.253.36.0/22 Internet2 TSG (C06866340) 1024
164.76.0.0/24 Eastern Michigan University 256
164.76.0.0/16 Eastern Michigan University 65536
192.35.168.0/23 Merit Network Inc. 512
192.35.170.0/24 Merit Network Inc. 256
192.41.229.0/24 Merit Network Inc. 256
192.41.232.0/22 University of Michigan 1024
192.88.242.0/24 Northwestern Michigan College 256
192.101.250.0/24 Alma College 256
192.122.182.0/23 Merit Network Inc. 512
192.122.184.0/24 Merit Network Inc. 256
192.122.184.0/21 Merit Network Inc. 2048
192.122.190.0/24 Merit Network Inc. 256
192.122.200.0/24 Merit Network Inc. 256
192.138.137.0/24 Kettering University 256
192.160.192.0/24 Kettering University 256
192.160.204.0/24 Kettering University 256
192.188.100.0/24 Michigan State University 256
192.203.195.0/24 Merit Network Inc. 256
192.245.252.0/24 Kettering University 256
192.245.254.0/24 Kettering University 256
198.17.130.0/23 Western Michigan University 512
198.17.132.0/23 Western Michigan University 512
198.17.134.0/24 Western Michigan University 256
198.108.0.0/14 Merit Network Inc. 262144
204.38.0.0/16 Merit Network Inc. 65536
204.38.0.0/15 Merit Network Inc. 131072
204.39.195.0/24 Merit Network Inc. 256
204.106.17.0/24 Altarum Institute 256
204.106.28.0/24 Altarum Institute 256
204.106.30.0/24 Altarum Institute 256
204.106.31.0/24 Altarum Institute 256
206.201.157.0/24 Genesee County 256
207.72.0.0/14 Merit Network Inc. 262144
CIDR Description IP NUMs(prefix /64)
2001:468:2620::/48 Internet2 65536
2001:468:26e1::/48 Internet2 65536
2001:48a8::/32 Merit Network Inc. 4294967296
2001:48a8:800::/40 Merit Network Inc. 16777216
2001:48a8:68fe::/48 Merit Network Inc. 65536
2604:380::/32 Regional Educational Media Center 4 4294967296
2606:9700::/32 Wayne State University 4294967296
2607:ff30:1110::/48 Central Michigan University 65536
2620:13f:6000::/44 ANYROAM 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS30600 AS-CMN - Metronet, US United States 205,568 1,099,511,627,776 IPv4 IPv4 IPv6 IPv6
AS40387 UI-ICCN - University of Illinois, US United States 2,048 65,536 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 229,376 90,482,802,688 IPv4 IPv4 IPv6 IPv6
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3,565,056 165,692,637,184 IPv4 IPv4
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 70,207,232 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS11164 INTERNET2-I2PX - Internet2, US United States 1,280 131,072 IPv4 IPv4 IPv6 IPv6
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 8,960 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS19151 BBO-1 - BroadbandONE, LLC, US United States 35,584 4,295,032,832 IPv4 IPv4
AS293 ESNET, US United States 134,912 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,889,472 25,770,196,992 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 517,376 282,631,675,707,392 IPv4 IPv4 IPv6 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 97,888,000 2,840,584,912,896 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 101,376 341,184,020,480 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS11206 FSU-AS-1 - Ferris State University, US United States 65,536 0 IPv4 IPv4
AS25609 DMC - Detroit Medical Center, US United States 65,536 0 IPv4 IPv4
AS46119 MIDMICHIGANHEALTH-AS-1 - MidMichigan Health, US United States 256 0 IPv4 IPv4
AS53263 GRCC-AS1 - Grand Rapids Community College, US United States 1,280 0 IPv4 IPv4
AS231 MISU-231 - Michigan State University, US United States 787,456 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS62676 UMD-PUBLIC-AS - University of Michigan - Dearborn, US United States 73,728 0 IPv4 IPv4
AS397797 CITYOFMARSHALL-01 - City of Marshall, US United States 5,120 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS36375 UMICH-AS-5 - University of Michigan, US United States 826,496 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS46241 WASHTENAW-ISD-ASN - Washtenaw ISD, US United States 2,048 0 IPv4 IPv4
AS393665 BAKERS - Baker College, US United States 2,048 0 IPv4 IPv4
AS399636 ITHAKA-AS-AA2 - ITHAKA Harbors, Inc., US United States 256 0 IPv4 IPv4
AS11494 KELLOGGCC - Kellogg Community College, US United States 256 0 IPv4 IPv4
AS177 UMICH-AS-1 - University of Michigan, US United States 0 131,072 IPv6 IPv6
AS3730 AQUINA-001 - Aquinas College, US United States 256 0 IPv4 IPv4
AS22217 CALVIN-UNIVERSITY - Calvin College, US United States 65,536 0 IPv4 IPv4
AS30154 DAVEN - Davenport University, US United States 8,448 65,536 IPv4 IPv4
AS32285 HFCC - Henry Ford College, US United States 256 0 IPv4 IPv4
AS19106 ANDREWS - Andrews University, US United States 65,536 65,536 IPv4 IPv4 IPv6 IPv6
AS27274 CMICH - Central Michigan University, US United States 139,264 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS32274 LENAWEE-MONROE-TECHNOLOGY-CONSORTIUM - Lenawee-Monroe Technology Consortium, US United States 8,192 16,777,216 IPv4 IPv4 IPv6 IPv6
AS40044 BRONSON-HEALTHCARE-GROUP-INC - Bronson Healthcare Group, Inc., US United States 512 0 IPv4 IPv4
AS229 MERIT-AS-6 - Merit Network Inc., US United States 1,024 65,536 IPv4 IPv4 IPv6 IPv6
AS1638 MCC-CAMPUS - Mott Community College, US United States 1,280 0 IPv4 IPv4
AS22251 REMC - Regional Educational Media Center 1 (REMC1), US United States 2,048 0 IPv4 IPv4
AS393817 LMC-BH - Lake Michigan College, US United States 256 0 IPv4 IPv4
AS1432 AC-AS-1 - Albion College, US United States 8,192 0 IPv4 IPv4
AS46970 ALLBANDCOMMUNICATIONS - Allband Communications Cooperative, US United States 2,560 0 IPv4 IPv4
AS62618 MICHIGANTECH - Michigan Technological University, US United States 70,144 0 IPv4 IPv4
AS394769 UMF-7-AS - University of Michigan - Flint, US United States 65,536 0 IPv4 IPv4
AS400238 PIEG-01 - PIE&G, US United States 11,776 268,435,456 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States Any2Chicago - CoreSite - Any2Chicago 206.51.43.8 2001:504:13:4::8 10 Gbps 2018-01-24 14:26:24
United States DET-iX - Detroit Internet Exchange 209.124.52.22 2607:f790:100::22 100 Gbps 2021-09-03 05:59:36
United States Grand Rapids Internet Exchange (GRR-iX) - Grand Rapids Internet Exchange 199.181.158.22 2001:504:131::22 100 Gbps 2023-11-08 14:57:44
United States Equinix Chicago - Equinix Internet Exchange Chicago 208.115.136.39 2001:504:0:4::237:1 100 Gbps 2023-11-28 15:51:20

Private Peering Facilities

Country/Region Name City Website Updated
Equinix CH1/CH2/CH4 - Chicago Chicago http://www.equinix.com/ 2016-03-14 20:25:27
CoreSite - Chicago (CH1) Chicago http://www.coresite.com 2016-03-14 21:38:05
Level(3) Chicago (Kingsbury) Chicago http://www.level3.com 2016-10-12 13:02:53
IP Address Domain NUMs Domains
35.0.0.0 2 ircapel.it
35.0.0.197 2 enthe.xyz
35.0.61.206 2 esthercz.us
35.0.127.52 1 tor-exit.eecs.umich.edu
35.1.1.10 1 cloudflareuniversity.com
35.1.204.12 1 www.gpacer.sandcats.io
35.3.37.160 1 0587408800.wireless.umich.net
35.4.184.113 1 www.536541.xyz
35.5.5.105 2 inumerology.com
35.7.14.162 1 0587665058.vpn.umich.net
ASNumber:       237
ASName:         MERIT-AS-14
ASHandle:       AS237
RegDate:        1988-09-12
Updated:        2012-04-02    
Ref:            https://rdap.arin.net/registry/autnum/237


OrgName:        Merit Network Inc.
OrgId:          MICH-Z
Address:        880 Technology Dr., Suite B
City:           Ann Arbor
StateProv:      MI
PostalCode:     48108
Country:        US
RegDate:        2009-12-08
Updated:        2020-04-21
Ref:            https://rdap.arin.net/registry/entity/MICH-Z


OrgAbuseHandle: NETWO26-ARIN
OrgAbuseName:   Network Abuse
OrgAbusePhone:  +1-734-527-5740 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO26-ARIN

OrgTechHandle: MERIT-ARIN
OrgTechName:   Merit Operations
OrgTechPhone:  +1-734-527-5717 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/MERIT-ARIN