AS237 Merit Network Inc. details

Summary

Country	United States
Organization	Merit Network Inc.
Domain	merit.edu
Number of IPv4	2,286,336
Number of IPv6	1.5910× 10²⁹
AS Type	Education
Registry	ARIN
Allocated	September 12, 1988 (about 37 years ago)
Updated	April 02, 2012 (about 13 years ago)

IP Ranges

AS237 announces 86 IPv4 ranges and 8 IPv6 ranges.

That's a total of 2,286,336 IPv4 addresses and 1.5910× 10²⁹ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
23.135.208.0/24	ANYROAM	256	ARIN	ALLOCATION
35.7.112.0/20	University of Michigan - Flint	4,096	ARIN	REALLOCATION
35.16.0.0/16	Wayne State University	65,536	ARIN	REASSIGNMENT
35.24.0.0/17	Northern Michigan University	32,768	ARIN	REASSIGNMENT
35.24.128.0/18	Northern Michigan University	16,384	ARIN	REASSIGNMENT
35.24.192.0/19	Northern Michigan University	8,192	ARIN	REASSIGNMENT
35.24.224.0/19	Northern Michigan University	8,192	ARIN	REASSIGNMENT
35.25.0.0/16	Northern Michigan University	65,536	ARIN	REASSIGNMENT
35.33.0.0/18	Central Michigan University	16,384	ARIN	REASSIGNMENT
35.33.5.0/24	Central Michigan University	256	ARIN	REASSIGNMENT
35.33.6.0/24	Central Michigan University	256	ARIN	REASSIGNMENT
35.33.96.0/19	Merit Network Inc.	8,192	ARIN	ALLOCATION
35.34.0.0/18	Central Michigan University	16,384	ARIN	REASSIGNMENT
35.34.64.0/20	Central Michigan University	4,096	ARIN	REASSIGNMENT
35.37.0.0/16	Merit Network Inc.	65,536	ARIN	ALLOCATION
35.38.0.0/16	Grand Valley State University	65,536	ARIN	REASSIGNMENT
35.39.0.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.39.32.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.39.64.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.39.128.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.39.160.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.39.192.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.39.224.0/19	Grand Valley State University	8,192	ARIN	REASSIGNMENT
35.40.0.0/16	Grand Valley State University	65,536	ARIN	REASSIGNMENT
35.46.0.0/18	Western Michigan University	16,384	ARIN	REASSIGNMENT
35.46.64.0/18	Western Michigan University	16,384	ARIN	REASSIGNMENT
35.50.0.0/18	Oakland University	16,384	ARIN	REASSIGNMENT
35.50.64.0/18	Oakland University	16,384	ARIN	REASSIGNMENT
35.58.0.0/16	Merit Network Inc.	65,536	ARIN	ALLOCATION
35.62.0.0/16	City of Marshall	65,536	ARIN	REASSIGNMENT
35.63.0.0/16	Merit Network Inc.	65,536	ARIN	ALLOCATION
35.64.0.0/14	Merit Network Inc.	262,144	ARIN	ALLOCATION
35.68.0.0/15	Merit Network Inc.	131,072	ARIN	ALLOCATION
35.70.0.0/16	Merit Network Inc.	65,536	ARIN	ALLOCATION
35.71.0.0/18	Merit Network Inc.	16,384	ARIN	ALLOCATION
74.115.236.0/24	Oakland Community College	256	ARIN	ALLOCATION
74.115.237.0/24	Oakland Community College	256	ARIN	ALLOCATION
141.210.0.0/17	Oakland University	32,768	ARIN	ALLOCATION
141.210.32.0/19	Oakland University	8,192	ARIN	ALLOCATION
141.210.128.0/17	Oakland University	32,768	ARIN	ALLOCATION
141.210.224.0/19	Oakland University	8,192	ARIN	ALLOCATION
141.217.0.0/16	Wayne State University	65,536	ARIN	ALLOCATION
141.218.0.0/16	Western Michigan University	65,536	ARIN	ALLOCATION
141.218.11.0/24	Western Michigan University	256	ARIN	ALLOCATION
141.218.203.0/24	Western Michigan University	256	ARIN	ALLOCATION
141.218.204.0/22	Western Michigan University	1,024	ARIN	ALLOCATION
141.218.208.0/20	Western Michigan University	4,096	ARIN	ALLOCATION
141.218.224.0/22	Western Michigan University	1,024	ARIN	ALLOCATION
141.218.228.0/23	Western Michigan University	512	ARIN	ALLOCATION
148.61.0.0/16	Grand Valley State University	65,536	ARIN	ALLOCATION
161.133.0.0/17	Delta College	32,768	ARIN	ALLOCATION
161.133.2.0/24	Delta College	256	ARIN	ALLOCATION
161.133.104.0/21	Delta College	2,048	ARIN	ALLOCATION
161.133.112.0/21	Delta College	2,048	ARIN	ALLOCATION
161.133.120.0/21	Delta College	2,048	ARIN	ALLOCATION
161.133.128.0/17	Delta College	32,768	ARIN	ALLOCATION
161.133.129.0/24	Delta College	256	ARIN	ALLOCATION
163.253.36.0/22	Internet2 Tsg	1,024	ARIN	REASSIGNMENT
164.76.0.0/16	Eastern Michigan University	65,536	ARIN	ALLOCATION
164.76.160.0/19	Eastern Michigan University	8,192	ARIN	ALLOCATION
192.35.170.0/24	Merit Network Inc.	256	ARIN	ALLOCATION
192.41.229.0/24	Merit Network Inc.	256	ARIN	ALLOCATION
192.41.232.0/22	University of Michigan	1,024	ARIN	REALLOCATION
192.88.242.0/24	Northwestern Michigan College	256	ARIN	ALLOCATION
192.101.250.0/24	Alma College	256	ARIN	ALLOCATION
192.122.181.0/24	Merit Network Inc.	256	ARIN	ALLOCATION
192.122.182.0/23	Merit Network Inc.	512	ARIN	ALLOCATION
192.122.184.0/21	Merit Network Inc.	2,048	ARIN	ALLOCATION
192.122.200.0/24	Merit Network Inc.	256	ARIN	ALLOCATION
192.138.137.0/24	Kettering University	256	ARIN	ALLOCATION
192.160.192.0/24	Kettering University	256	ARIN	ALLOCATION
192.160.204.0/24	Kettering University	256	ARIN	ALLOCATION
192.188.100.0/24	Michigan State University	256	ARIN	ALLOCATION
192.203.195.0/24	Merit Network Inc.	256	ARIN	ALLOCATION
192.245.252.0/24	Kettering University	256	ARIN	ALLOCATION
192.245.254.0/24	Kettering University	256	ARIN	ALLOCATION
198.17.130.0/23	Western Michigan University	512	ARIN	ALLOCATION
198.17.132.0/23	Western Michigan University	512	ARIN	ALLOCATION
198.17.134.0/24	Western Michigan University	256	ARIN	ALLOCATION
198.108.0.0/14	Merit Network Inc.	262,144	ARIN	ALLOCATION
204.38.0.0/16	Merit Network Inc.	65,536	ARIN	ALLOCATION
204.39.128.0/18	Merit Network Inc.	16,384	ARIN	ALLOCATION
204.39.195.0/24	Merit Network Inc.	256	ARIN	ALLOCATION
206.201.157.0/24	Genesee County	256	ARIN	ALLOCATION
207.72.0.0/14	Merit Network Inc.	262,144	ARIN	ALLOCATION
207.75.164.0/23	University Corporation for Advanced Internet Development	512	ARIN	REASSIGNMENT

Prefix	Organization	Size	Registry	Status
2001:468:2620::/48	Internet2	1.2089× 10²⁴	ARIN	ALLOCATION
2001:468:26e1::/48	Internet2	1.2089× 10²⁴	ARIN	ALLOCATION
2001:48a8::/32	Merit Network Inc.	7.9228× 10²⁸	ARIN	ALLOCATION
2001:48a8:800::/40	Merit Network Inc.	3.0949× 10²⁶	ARIN	ALLOCATION
2001:48a8:68fe::/48	Merit Network Inc.	1.2089× 10²⁴	ARIN	ALLOCATION
2001:48a8:7800::/40	Wayne State University	3.0949× 10²⁶	ARIN	REASSIGNMENT
2606:9700::/32	Wayne State University	7.9228× 10²⁸	ARIN	ALLOCATION
2620:13f:6000::/44	ANYROAM	1.9343× 10²⁵	ARIN	ALLOCATION

AS237 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

AS293 AS1239 AS3303 AS4181 AS6939 AS7922 AS14907 AS19151 AS30600 AS40387 AS49544

AS237 connects to the global Internet via at least 5 upstream providers. In this setup, AS237 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

AS174 AS1299 AS7018 AS11164 AS11537

AS237 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS237's role in extending Internet access beyond its own infrastructure.

AS229 AS231 AS1432 AS1638 AS3730 AS11206 AS11494 AS15099 AS19106 AS22217 AS22251 AS25609 AS27274 AS30154 AS32285 AS36375 AS40044 AS46119 AS46241 AS46970 AS53263 AS62618 AS62676 AS393665 AS393817 AS394769 AS395945 AS396470 AS397797 AS400238 AS400927

AS237

Merit Network Inc. — merit.edu

Summary

IP Ranges

Peers

Upstreams

Downstreams