What is ASN AS394203?

ASN AS394203 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394203?

AS394203 is listed under Chicagoservers.org LLC.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

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AS394203 Chicagoservers.org LLC

ASN Lookup Tool

Chicagoservers.org LLC chicagoservers.org

US 5 Routes

AS Data

AS394203

AS394203 – Chicagoservers.org LLC

AS Number	394203
AS Name	CHICAGOSERVERS LLC
Organization	Chicagoservers.org LLC (cl-2385)
Country	US
Website	chicagoservers.org
Number of IPv4 Routes	2
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2026-09-11

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Use ASN data for AS394203 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
89.207.178.0/24	AS394203	Chicagoservers.org LLC	IPXO	256
2602:fed2:7084::/48	AS394203	Chicagoservers.org LLC	Chicagoservers.org LLC	~1×10²⁴
2602:fed2:7194::/48	AS394203	Chicagoservers.org LLC	Chicagoservers.org LLC	~1×10²⁴
95.214.183.0/24	AS394203	Chicagoservers.org LLC	CHICAGOSERVERS	256
2602:fed2:7199::/48	AS23470	ReliableSite.Net LLC	Chicagoservers.org LLC	~1×10²⁴

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:       394203
ASName:         CHICAGOSERVERS LLC
ASHandle:       AS394203
RegDate:        2026-09-11
Updated:        2026-09-11
Ref:            https://rdap.arin.net/registry/autnum/394203


OrgName:        Chicagoservers.org LLC
OrgId:          CL-2385
Address:        603 discovery drive
City:           west chicago
StateProv:      IL
PostalCode:     60185
Country:        US
RegDate:        2026-08-20
Updated:        2026-09-12
Ref:            https://rdap.arin.net/registry/entity/CL-2385


OrgAbuseHandle: ABUSE8036-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-847-553-4206 
OrgAbuseEmail:  report@chicagoservers.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8036-ARIN

OrgTechHandle: WARRE428-ARIN
OrgTechName:   Warren, Brian 
OrgTechPhone:  +1-847-553-4206 
OrgTechEmail:  NETWORK@CHICAGOSERVERS.ORG
OrgTechRef:    https://rdap.arin.net/registry/entity/WARRE428-ARIN

OrgDNSHandle: WARRE428-ARIN
OrgDNSName:   Warren, Brian 
OrgDNSPhone:  +1-847-553-4206 
OrgDNSEmail:  NETWORK@CHICAGOSERVERS.ORG
OrgDNSRef:    https://rdap.arin.net/registry/entity/WARRE428-ARIN

OrgNOCHandle: WARRE428-ARIN
OrgNOCName:   Warren, Brian 
OrgNOCPhone:  +1-847-553-4206 
OrgNOCEmail:  NETWORK@CHICAGOSERVERS.ORG
OrgNOCRef:    https://rdap.arin.net/registry/entity/WARRE428-ARIN

OrgRoutingHandle: WARRE428-ARIN
OrgRoutingName:   Warren, Brian 
OrgRoutingPhone:  +1-847-553-4206 
OrgRoutingEmail:  NETWORK@CHICAGOSERVERS.ORG
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WARRE428-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" : "394203",
    "as_handle" : "AS394203",
    "as_name" : "CHICAGOSERVERS LLC",
    "admin_contacts" : [ "WARRE428-ARIN" ],
    "tech_contacts" : [ "WARRE428-ARIN", "WARRE428-ARIN" ],
    "abuse_contacts" : [ "ABUSE8036-ARIN" ],
    "date_created" : "2026-09-11",
    "date_updated" : "2026-09-11",
    "source" : "https://rdap.arin.net/registry/autnum/394203"
  } ],
  "organization" : {
    "handle" : "CL-2385",
    "name" : "Chicagoservers.org LLC",
    "address" : [ "603 discovery drive", "west chicago", "IL", "60185", "US" ],
    "street" : "Discovery Drive",
    "city" : "West Chicago",
    "state" : "IL",
    "zip_code" : "60185",
    "country" : [ "US" ],
    "date_created" : "2026-08-20",
    "date_updated" : "2026-09-12",
    "source" : "https://rdap.arin.net/registry/entity/CL-2385",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "WARRE428-ARIN",
    "name" : "Warren, Brian",
    "email" : [ "NETWORK@CHICAGOSERVERS.ORG" ],
    "phone" : [ "+1-847-553-4206" ],
    "source" : "https://rdap.arin.net/registry/entity/WARRE428-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "WARRE428-ARIN",
    "name" : "Warren, Brian",
    "email" : [ "NETWORK@CHICAGOSERVERS.ORG" ],
    "phone" : [ "+1-847-553-4206" ],
    "source" : "https://rdap.arin.net/registry/entity/WARRE428-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE8036-ARIN",
    "name" : "Abuse",
    "email" : [ "report@chicagoservers.org" ],
    "phone" : [ "+1-847-553-4206" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE8036-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS23470	ReliableSite.Net LLC	US
AS20278	Nexeon Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS23470	ReliableSite.Net LLC	US
AS20278	Nexeon Technologies, Inc.	US