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.

AS400250 Housing Authority of Cook County

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

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Legacy Routes

Housing Authority of Cook County thehacc.org

US 0 Routes

AS Data

AS400250

AS400250 – Housing Authority of Cook County

AS Number	400250
AS Name	HACC-MAIN
Organization	Housing Authority of Cook County(hacc-8)
Country	US
Website	thehacc.org
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2021-11-24

ASN Intelligence API for production workflows

Use ASN data for AS400250 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

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:       400250
ASName:         HACC-MAIN
ASHandle:       AS400250
RegDate:        2021-11-24
Updated:        2021-11-24    
Ref:            https://rdap.arin.net/registry/autnum/400250


OrgName:        Housing Authority of Cook County
OrgId:          HACC-8
Address:        175 W Jackson Blvd Ste 350
City:           Chicago
StateProv:      IL
PostalCode:     60604
Country:        US
RegDate:        2021-10-28
Updated:        2021-10-28
Ref:            https://rdap.arin.net/registry/entity/HACC-8


OrgTechHandle: LOFTO17-ARIN
OrgTechName:   Lofton, Ernest 
OrgTechPhone:  +1-312-542-4759 
OrgTechEmail:  elofton@thehacc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/LOFTO17-ARIN

OrgAbuseHandle: LOFTO17-ARIN
OrgAbuseName:   Lofton, Ernest 
OrgAbusePhone:  +1-312-542-4759 
OrgAbuseEmail:  elofton@thehacc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LOFTO17-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

Frequently Asked Questions

What is ASN AS400250?

ASN AS400250 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400250?

AS400250 is listed under Housing Authority of Cook County.

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.