View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	192.41.230.0/23	University of Michigan
	192.41.236.0/23	Merit Network Inc.
	2001:48a8:68f7::/48	Merit Network Inc.

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy silly_khayyam Policy sad_tereshkova Policy optimistic_turing

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS237	Merit Network Inc.	✔	✔
	AS231	Michigan State University	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS237	Merit Network Inc.	✔	✔
	AS231	Michigan State University	✔	✘

ASHandle:       AS229
OrgID:          MICH-Z
ASName:         MERIT-AS-6
ASNumber:       229
RegDate:        1988-09-12
Updated:        2012-04-02
Source:         ARIN



OrgID:          MICH-Z
OrgName:        Merit Network Inc.
CanAllocate:    
Street:         880 Technology Dr., Suite B
City:           Ann Arbor
State/Prov:     MI
Country:        US
PostalCode:     48108
RegDate:        2009-12-08
Updated:        2020-04-21
OrgAdminHandle: IN-ORG-ARIN
OrgTechHandle:  MERIT-ARIN
OrgAbuseHandle: NETWO26-ARIN
Source:         ARIN





OrgAdminHandle:       IN-ORG-ARIN
OrgAdminName:          Internet Number Administrator
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MERIT-ARIN
OrgTechName:           Merit Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO26-ARIN
OrgAbuseName:          Network Abuse
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:31:26Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as229:as-cone	1
RADB	as237:as-customers	36
RADB	as231:as-cone	2