AS237 Merit Network Inc.

Company Website:

http://www.merit.edu

Country of Origin:

Internet Exchanges: 4

Prefixes Originated (all): 93
Prefixes Originated (v4): 85
Prefixes Originated (v6): 8

Prefixes Announced (all): 267
Prefixes Announced (v4): 251
Prefixes Announced (v6): 16

RPKI Originated Valid (all): 60
RPKI Originated Valid (v4): 54
RPKI Originated Valid (v6): 6

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 51
BGP Peers Observed (v4): 50
BGP Peers Observed (v6): 21

IPs Originated (v4): 2,217,984
AS Paths Observed (v4): 1,143
AS Paths Observed (v6): 538

Average AS Path Length (all): 3.730
Average AS Path Length (v4): 3.859
Average AS Path Length (v6): 3.455

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AS237 IPv4 Peers

ASN	Name
AS7018	AT&T Enterprises, LLC
AS174	Cogent Communications
AS1299	Arelion Sweden AB
AS6939	Hurricane Electric LLC
AS11164	Internet2
AS11537	Internet2
AS3303	Swisscom (Schweiz) AG

AS237 IPv6 Peers

ASN	Name
AS1299	Arelion Sweden AB
AS6939	Hurricane Electric LLC
AS174	Cogent Communications
AS11164	Internet2
AS11537	Internet2
AS7018	AT&T Enterprises, LLC

AS237 IPv4 Peer Count

AS237 IPv6 Peer Count

AS237 IPv4 Prefixes Announced

AS237 IPv6 Prefixes Announced

AS237 IPv4 Prefixes Originated

AS237 IPv6 Prefixes Originated

AS237 IPv4 Route Propagation

AS237 IPv6 Route Propagation

Prefix	Description	Visibility
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Prefix	Description
23.135.208.0/24	ANYROAM
35.7.112.0/20
35.16.0.0/16	Wayne State University
35.24.0.0/17
35.24.128.0/18	Northern Michigan University (C07537175)
35.24.192.0/19
35.24.224.0/19	Merit Network Inc.
35.25.0.0/16	Merit Network Inc.
35.33.0.0/18	Central Michigan University
35.33.5.0/24	Central Michigan University
35.33.6.0/24
35.34.0.0/18
35.37.0.0/16	Merit Network Inc.
35.38.0.0/16
35.39.0.0/19	Grand Valley State University
35.39.32.0/19
35.39.64.0/19
35.39.128.0/19	Grand Valley State University
35.39.160.0/19	Grand Valley State University
35.39.192.0/19	Grand Valley State University
35.39.224.0/19
35.40.0.0/16	Grand Valley State University
35.46.0.0/18	Western Michigan University
35.46.64.0/18	Western Michigan University
35.50.0.0/17
35.50.0.0/18	Oakland University
35.50.64.0/18	Oakland University
35.58.0.0/16	Merit Network Inc.
35.62.0.0/16	American Registry for Internet Numbers
35.63.0.0/16
35.64.0.0/14	American Registry for Internet Numbers
35.68.0.0/15	American Registry for Internet Numbers
35.70.0.0/16	Merit Network Inc.
35.71.0.0/18	Merit Network Inc.
74.115.236.0/23	Oakland Community College
74.115.236.0/24	Oakland Community College
74.115.237.0/24
141.210.0.0/16	Oakland University
141.210.0.0/17	Oakland University
141.210.32.0/19	Oakland University
141.210.128.0/17
141.210.224.0/19	Oakland University
141.217.0.0/16	Wayne State University
141.218.0.0/16	Western Michigan University
141.218.11.0/24
141.218.203.0/24
141.218.204.0/22	Western Michigan University
141.218.208.0/20	Western Michigan University
141.218.224.0/22	Western Michigan University
141.218.228.0/23
148.61.0.0/16	Grand Valley State University
161.133.0.0/17
161.133.2.0/24	Delta College
161.133.104.0/21
161.133.112.0/21	Delta College
161.133.120.0/21
161.133.128.0/17	Delta College
161.133.129.0/24
163.253.36.0/22
164.76.0.0/16	Eastern Michigan University
164.76.160.0/19
192.35.170.0/24	Merit Network Inc.
192.41.229.0/24
192.41.232.0/22	Various Registries (Maintained by ARIN)
192.88.242.0/24	Northwestern Michigan College
192.101.250.0/24
192.122.182.0/23	Various Registries (Maintained by ARIN)
192.122.184.0/21	Merit Network Inc.
192.122.200.0/24	Merit Network Inc.
192.138.137.0/24
192.160.192.0/24	Kettering University
192.160.204.0/24	Kettering University
192.188.100.0/24	Michigan State University
192.203.195.0/24	Merit Network Inc.
192.245.252.0/24	Kettering University
192.245.254.0/24
198.17.130.0/23	Various Registries (Maintained by ARIN)
198.17.132.0/23	Various Registries (Maintained by ARIN)
198.17.134.0/24	Western Michigan University
198.108.0.0/14	Merit Network Inc.
204.38.0.0/16	Merit Network Inc.
204.39.195.0/24	Merit Network Inc.
206.201.157.0/24	Genesee County
207.72.0.0/14	Merit Network Inc.
207.75.164.0/23

Prefix	Description	Visibility
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Prefix	Description
2001:468:2620::/48
2001:468:26e1::/48	Internet2
2001:48a8::/32	Merit Network Inc.
2001:48a8:800::/40	Merit Network Inc.
2001:48a8:68fe::/48
2001:48a8:7800::/40
2606:9700::/32	Wayne State University
2620:13f:6000::/44	ANYROAM

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	AT&T Enterprises, LLC	X	AS7018
2	Cogent Communications	X	AS174
3	Arelion Sweden AB	X	AS1299
4	Hurricane Electric LLC	X	AS6939
5	Internet2	X	AS11164
6	Internet2	X	AS11537
7	Swisscom (Schweiz) AG		AS3303
8	Michigan State University	X	AS231
9	ESnet	X	AS293
10	Aquinas College		AS3730
11	Central Michigan University	X	AS27274
12	Michigan Technological University		AS62618
13	Merit Network Inc.	X	AS229
14	University of Illinois		AS40387
15	County of Monroe		AS15099
16	PIE&G		AS400238
17	Sprint	X	AS1239
18	Lansing Community College		AS396470
19	Ferris State University		AS11206
20	Andrews University	X	AS19106
21	Qwilt Inc.	X	AS20253
22	Holland Board of Public Works	X	AS395945
23	Bronson Healthcare Group, Inc.		AS40044
24	Washtenaw ISD		AS46241
25	Barger Creek Wireless		AS400927
26	University of Michigan - Dearborn		AS62676
27	Allband Communications Cooperative		AS46970
28	Metronet	X	AS30600
29	Albion College		AS1432
30	Comcast Cable Communications, LLC	X	AS7922
31	Davenport University		AS30154
32	BroadbandONE, LLC		AS19151
33	Calvin College		AS22217
34	TDS TELECOM	X	AS4181
35	MidMichigan Health		AS46119
36	Mott Community College		AS1638
37	University of Michigan - Flint		AS394769
38	Detroit Medical Center		AS25609
39	City of Marshall		AS397797
40	Regional Educational Media Center 1 (REMC1)		AS22251
41	Indiana University		AS19782
42	University of Michigan	X	AS36375
43	Kellogg Community College		AS11494
44	Wikimedia Foundation Inc.	X	AS14907
45	Henry Ford College		AS32285
46	i3D.net B.V	X	AS49544
47	Grand Rapids Community College		AS53263
48	Shaw Communications Inc.		AS6327
49	Baker College		AS393665
50	Lake Michigan College		AS393817

Rank	Description	IPv4	Peer
1	Arelion Sweden AB	X	AS1299
2	Hurricane Electric LLC	X	AS6939
3	Cogent Communications	X	AS174
4	Internet2	X	AS11164
5	Internet2	X	AS11537
6	AT&T Enterprises, LLC	X	AS7018
7	ESnet	X	AS293
8	TDS TELECOM	X	AS4181
9	Qwilt Inc.	X	AS20253
10	Central Michigan University	X	AS27274
11	Sprint	X	AS1239
12	Merit Network Inc.	X	AS229
13	Michigan State University	X	AS231
14	Wikimedia Foundation Inc.	X	AS14907
15	University of Michigan		AS177
16	Holland Board of Public Works	X	AS395945
17	Comcast Cable Communications, LLC	X	AS7922
18	Andrews University	X	AS19106
19	University of Michigan	X	AS36375
20	i3D.net B.V	X	AS49544
21	Metronet	X	AS30600

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:  abuse@merit.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO26-ARIN

OrgTechHandle: MERIT-ARIN
OrgTechName:   Merit Operations
OrgTechPhone:  +1-734-527-5717 
OrgTechEmail:  operations@merit.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/MERIT-ARIN

RADB

aut-num: AS237 as-name: MERIT-ASN descr: Merit Network Inc. Ann Arbor, MI 48109 USA admin-c: MERIT-RADB tech-c: MERIT-RADB mnt-by: MAINT-AS237 changed: ljb@merit.edu 20231121 source: RADB last-modified: 2023-11-21T16:03:31Z

Exchange	CC	City	IPv4	IPv6
Any2 Chicago	US	Chicago	206.51.43.8	2001:504:13:4::8
DET-IX	US	Detroit	209.124.52.12 209.124.52.22	2607:f790:100::22 2607:f790:100::12
Equinix Chicago	US	Chicago	208.115.136.39	2001:504:0:4::237:1
Grand Rapids Internet Exchange (GRR-iX)	US	Grand Rapids	199.181.158.22	2001:504:131::22

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