How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS63144 Macomb County, Michigan

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Macomb County, Michigan macombgov.org

US 1 Routes

AS Data

AS63144

AS63144 – Macomb County, Michigan

AS Number	63144
AS Name	MCIT
Organization	Macomb County, Michigan(mcm-88)
Country	US
Website	macombgov.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2014-08-12

ASN Intelligence API for production workflows

Use ASN data for AS63144 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.40.206.0/24	AS63144	Macomb County, Michigan	Macomb County, Michigan	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       63144
ASName:         MCIT
ASHandle:       AS63144
RegDate:        2014-08-12
Updated:        2014-08-12    
Ref:            https://rdap.arin.net/registry/autnum/63144


OrgName:        Macomb County, Michigan
OrgId:          MCM-88
Address:        117 S. Groesbeck
City:           Mount Clemens
StateProv:      MI
PostalCode:     48043
Country:        US
RegDate:        2014-03-12
Updated:        2016-03-10
Ref:            https://rdap.arin.net/registry/entity/MCM-88


OrgAbuseHandle: PALME165-ARIN
OrgAbuseName:   Palmer, David 
OrgAbusePhone:  +1-586-469-6064 
OrgAbuseEmail:  david.palmer@macombgov.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PALME165-ARIN

OrgTechHandle: PALME165-ARIN
OrgTechName:   Palmer, David 
OrgTechPhone:  +1-586-469-6064 
OrgTechEmail:  david.palmer@macombgov.org
OrgTechRef:    https://rdap.arin.net/registry/entity/PALME165-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Frequently Asked Questions

What is ASN AS63144?

ASN AS63144 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63144?

AS63144 is listed under Macomb County, Michigan.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.