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AS394534 City of Chicago | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

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City of Chicago chicago.gov

US 11 Routes

AS Data

AS394534

AS394534 – City of Chicago

AS Number	394534
AS Name	CITYOFCHICAGO-ASN-01
Organization	City of Chicago (ccmis)
Country	US
Website	chicago.gov
Number of IPv4 Routes	11
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2018-06-20

ASN Intelligence API for production workflows

Use ASN data for AS394534 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
167.165.231.0/24	AS394534	City of Chicago	City of Chicago	256
167.165.128.0/17	AS394534	City of Chicago	City of Chicago	32768
167.165.230.0/24	AS394534	City of Chicago	City of Chicago	256
167.165.0.0/16	AS394534	City of Chicago	City of Chicago	65536
167.165.234.0/24	AS394534	City of Chicago	City of Chicago	256
167.165.238.0/24	AS394534	City of Chicago	City of Chicago	256
167.165.239.0/24	AS394534	City of Chicago	City of Chicago	256
167.165.232.0/23	AS394534	City of Chicago	City of Chicago	512
167.165.222.0/23	AS394534	City of Chicago	City of Chicago	512
167.165.0.0/17	AS394534	City of Chicago	City of Chicago	32768

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:       394534
ASName:         CITYOFCHICAGO-ASN-01
ASHandle:       AS394534
RegDate:        2018-06-20
Updated:        2019-06-27
Comment:        www.chicago.gov
Ref:            https://rdap.arin.net/registry/autnum/394534


OrgName:        City of Chicago
OrgId:          CCMIS
Address:        333 S State St., - Suite LL-30
City:           Chicago
StateProv:      IL
PostalCode:     60604
Country:        US
RegDate:        1993-08-18
Updated:        2016-06-28
Ref:            https://rdap.arin.net/registry/entity/CCMIS


OrgTechHandle: KIRBY37-ARIN
OrgTechName:   Kirby, Kevin 
OrgTechPhone:  +1-312-744-2502 
OrgTechEmail:  kevin.kirby@chicago.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/KIRBY37-ARIN

OrgAbuseHandle: KIRBY37-ARIN
OrgAbuseName:   Kirby, Kevin 
OrgAbusePhone:  +1-312-744-2502 
OrgAbuseEmail:  kevin.kirby@chicago.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KIRBY37-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "394534",
    "as_handle" : "AS394534",
    "as_name" : "CITYOFCHICAGO-ASN-01",
    "tech_contacts" : [ "KIRBY37-ARIN" ],
    "abuse_contacts" : [ "KIRBY37-ARIN" ],
    "date_created" : "2018-06-20",
    "date_updated" : "2019-06-27",
    "source" : "https://rdap.arin.net/registry/autnum/394534"
  } ],
  "organization" : {
    "handle" : "CCMIS",
    "name" : "City of Chicago",
    "address" : [ "333 S State St., - Suite LL-30", "Chicago", "IL", "60604", "US" ],
    "street" : "S State St.",
    "city" : "Chicago",
    "state" : "IL",
    "zip_code" : "60604",
    "country" : [ "US" ],
    "date_created" : "1993-08-18",
    "date_updated" : "2016-06-28",
    "source" : "https://rdap.arin.net/registry/entity/CCMIS",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "KIRBY37-ARIN",
    "name" : "Kirby, Kevin",
    "email" : [ "kevin.kirby@chicago.gov" ],
    "phone" : [ "+1-312-744-2502" ],
    "source" : "https://rdap.arin.net/registry/entity/KIRBY37-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "KIRBY37-ARIN",
    "name" : "Kirby, Kevin",
    "email" : [ "kevin.kirby@chicago.gov" ],
    "phone" : [ "+1-312-744-2502" ],
    "source" : "https://rdap.arin.net/registry/entity/KIRBY37-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS6079	RCN	US
AS6325	Illinois Century Network	US

Upstreams

AS Number	Description	Country
AS6079	RCN	US
AS6325	Illinois Century Network	US

Frequently Asked Questions

What is ASN AS394534?

ASN AS394534 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394534?

AS394534 is listed under City of Chicago.

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.