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AS19480 CHICAGO PUBLIC LIBRARY

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

CHICAGO PUBLIC LIBRARY chipublib.org

US 2 Routes

AS Data

AS19480

AS19480 – CHICAGO PUBLIC LIBRARY

AS Number	19480
AS Name	CPL
Organization	CHICAGO PUBLIC LIBRARY (chica-52)
Country	US
Website	chipublib.org
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2011-02-04

ASN Intelligence API for production workflows

Use ASN data for AS19480 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.99.5.0/24	AS19480	CHICAGO PUBLIC LIBRARY	Illinois Century Network	256
64.107.3.0/24	AS19480	CHICAGO PUBLIC LIBRARY	Illinois Century Network	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:       19480
ASName:         CPL
ASHandle:       AS19480
RegDate:        2011-02-04
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/19480


OrgName:        CHICAGO PUBLIC LIBRARY
OrgId:          CHICA-52
Address:        400 S STATE
City:           CHGO
StateProv:      IL
PostalCode:     60605
Country:        US
RegDate:        2011-01-14
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/CHICA-52


OrgAbuseHandle: ASU41-ARIN
OrgAbuseName:   Suleiman, Adnan 
OrgAbusePhone:  +1-312-747-4049 
OrgAbuseEmail:  asuleima@chipublib.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ASU41-ARIN

OrgTechHandle: ASU41-ARIN
OrgTechName:   Suleiman, Adnan 
OrgTechPhone:  +1-312-747-4049 
OrgTechEmail:  asuleima@chipublib.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ASU41-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" : "19480",
    "as_handle" : "AS19480",
    "as_name" : "CPL",
    "tech_contacts" : [ "ASU41-ARIN" ],
    "abuse_contacts" : [ "ASU41-ARIN" ],
    "date_created" : "2011-02-04",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/19480"
  } ],
  "organization" : {
    "handle" : "CHICA-52",
    "name" : "CHICAGO PUBLIC LIBRARY",
    "address" : [ "400 S STATE", "CHGO", "IL", "60605", "US" ],
    "street" : "S State",
    "city" : "Chgo",
    "state" : "IL",
    "zip_code" : "60605",
    "country" : [ "US" ],
    "date_created" : "2011-01-14",
    "date_updated" : "2011-09-24",
    "source" : "https://rdap.arin.net/registry/entity/CHICA-52",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ASU41-ARIN",
    "name" : "Suleiman, Adnan",
    "email" : [ "asuleima@chipublib.org" ],
    "phone" : [ "+1-312-747-4049" ],
    "source" : "https://rdap.arin.net/registry/entity/ASU41-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ASU41-ARIN",
    "name" : "Suleiman, Adnan",
    "email" : [ "asuleima@chipublib.org" ],
    "phone" : [ "+1-312-747-4049" ],
    "source" : "https://rdap.arin.net/registry/entity/ASU41-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 AS19480?

ASN AS19480 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19480?

AS19480 is listed under CHICAGO PUBLIC LIBRARY.

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.