ASN Lookup Tool

Illinois Century Network icn.illinois.gov US US 65 Routes

AS Data

AS6325

AS6325 – Illinois Century Network

AS Number 6325
AS Name ILLINOIS-CENTURY
Organization Illinois Century Network (iltn)
Country US
Website icn.illinois.gov
Number of IPv4 Routes 60
Number of IPv6 Routes 5
ASN type GOVERNMENT
Registry ARIN
Date Allocated 2001-10-31

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Use ASN data for AS6325 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
209.175.128.0/18 16384
163.191.0.0/17 32768
209.7.128.0/17 32768
216.124.128.0/17 32768
66.99.0.0/18 16384
207.63.128.0/18 16384
66.158.0.0/17 32768
209.174.128.0/17 32768
2001:1848:1000::/36 ~5×10²⁷
64.107.128.0/17 32768
207.63.0.0/16 65536
209.7.0.0/17 32768
209.175.0.0/17 32768
64.107.0.0/17 32768
207.63.192.0/18 16384
66.158.15.0/24 256
209.175.0.0/18 16384
206.166.0.0/18 16384
216.125.192.0/18 16384
66.99.64.0/18 16384
216.124.192.0/18 16384
2001:1848::/32 ~79×10²⁷
64.107.0.0/18 16384
207.63.64.0/18 16384
216.125.128.0/17 32768
2001:1848:4000::/34 ~20×10²⁷
216.124.0.0/17 32768
209.174.0.0/16 65536
64.150.0.0/17 32768
207.63.0.0/17 32768
209.175.64.0/18 16384
64.107.192.0/18 16384
216.125.0.0/16 65536
65.79.0.0/17 32768
163.191.188.0/23 512
216.124.128.0/18 16384
209.7.0.0/16 65536
163.191.128.0/17 32768
209.7.64.0/18 16384
66.99.0.0/17 32768
207.63.128.0/17 32768
209.174.0.0/17 32768
206.166.64.0/18 16384
163.191.192.0/19 8192
66.99.128.0/18 16384
209.175.128.0/17 32768
64.107.64.0/18 16384
209.7.192.0/18 16384
66.99.192.0/18 16384
216.124.0.0/16 65536
207.63.0.0/18 16384
64.107.0.0/16 65536
2001:1848:8000::/34 ~20×10²⁷
209.175.192.0/18 16384
206.166.0.0/17 32768
72.3.0.0/17 32768
66.99.128.0/17 32768
2001:1848:c000::/34 ~20×10²⁷
64.107.128.0/18 16384
66.99.0.0/16 65536

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:       6325
ASName:         ILLINOIS-CENTURY
ASHandle:       AS6325
RegDate:        2001-10-31
Updated:        2015-11-16
Ref:            https://rdap.arin.net/registry/autnum/6325


OrgName:        Illinois Century Network
OrgId:          ILTN
Address:        120 W Jefferson
Address:        Suite B
City:           Springfield
StateProv:      IL
PostalCode:     62702
Country:        US
RegDate:        
Updated:        2025-09-24
Ref:            https://rdap.arin.net/registry/entity/ILTN

ReferralServer:  rwhois://rwhois.illinois.net:4321

OrgTechHandle: WEBST193-ARIN
OrgTechName:   Webster, Andrew 
OrgTechPhone:  +1-217-558-1106 
OrgTechEmail:  andy.webster@illinois.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/WEBST193-ARIN

OrgAbuseHandle: ICNAB-ARIN
OrgAbuseName:   ICN Abuse
OrgAbusePhone:  +1-217-524-3648 
OrgAbuseEmail:  doit.security@illinois.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ICNAB-ARIN

OrgTechHandle: ZI83-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-815-936-4643 
OrgTechEmail:  DoIT.ICN.Hostmasternet@illinois.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/ZI83-ARIN

OrgTechHandle: RESER5-ARIN
OrgTechName:   Reserva, Chuck 
OrgTechPhone:  +1-217-786-8872 
OrgTechEmail:  chuck.reserva@illinois.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/RESER5-ARIN

RTechHandle: ZI83-ARIN
RTechName:   Hostmaster
RTechPhone:  +1-815-936-4643 
RTechEmail:  DoIT.ICN.Hostmasternet@illinois.gov
RTechRef:    https://rdap.arin.net/registry/entity/ZI83-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
AS22335 Metropolitan Research and Education Network US
AS2906 Netflix Streaming Services Inc. US
AS9505 Chunghwa Telecom Co., Ltd. TW
AS40627 RingCentral Inc US
AS22978 Governors State University US
AS15118 Southern Illinois University School of Medicine US
AS23427 Glenbard HSD US
AS3856 Packet Clearing House, Inc. US
AS53597 Hoyos Consulting LLC US
AS26554 US Signal Company, L.L.C. US
AS16509 Amazon.com, Inc. US
AS714 Apple Inc. US
AS23367 Adaptive Data Networks, LLC US
AS62887 WhiteSky Communications, LLC US
AS53695 Southern Illinois University at Edwardsville US
AS6461 Zayo Bandwidth US
AS22697 Roblox Corporation US
AS1702 CHICAGO STATE UNIVERSITY US
AS15337 Wm. Rainey Harper College US
AS7386 Illinois State University US
AS17054 Expedient US
AS36692 Cisco OpenDNS, LLC US
AS32590 Valve Corporation US
AS53610 Metro Communications Company US
AS19480 CHICAGO PUBLIC LIBRARY US
AS19653 Metronet US
AS19151 365 Data Centers US
AS29838 Atlantic Metro Communications II, Inc. US
AS10308 Northeastern Illinois University US
AS1828 Unitas Global US
AS26068 OnShore, Inc. US
AS32787 Akamai Technologies, Inc. US
AS54825 Packet Host, Inc. US
AS19679 Dropbox, Inc. US
AS32244 Liquid Web, L.L.C US
AS22666 Glenbrook High School District US
AS46286 Cook County US
AS40387 University of Illinois US
AS397112 Illinois Mathematics and Science Academy US
AS19016 Westman Communications Group CA
AS36243 BPS Networks US
AS10310 Yahoo Holdings Inc. US
AS22272 IANA - Autonomous System Number US
AS2635 Automattic, Inc US
AS42 WoodyNet, Inc. US
AS2381 WiscNet US
AS22616 Zscaler, Inc. US
AS6327 Shaw Communications CA
AS22887 Western Illinois University US
AS53642 Central Community Unit School District 301 US
AS25660 Fidium US
AS17306 JAB Wireless, Inc. US
AS12033 Adams TelSystems, Inc. US
AS11417 Northern Illinois University US
AS19070 Eastern Illinois University US
AS49544 i3D.net B.V NL
AS62948 Air Link Rural Broadband, LLC US
AS402166 Mannheim School District 83 US
AS395433 Township High School District 214 US
AS17196 College of duPage US

Upstreams

AS Number Description Country
AS22335 Metropolitan Research and Education Network US
AS6327 Shaw Communications CA
AS7018 AT&T Enterprises, LLC US
AS6939 Hurricane Electric LLC US
AS174 Cogent Communications, LLC US
AS6461 Zayo Bandwidth US
AS293 ESnet Energy Sciences Network US
AS32787 Akamai Technologies, Inc. US

Downstreams

AS Number Description Country
AS29885 Univeristy of Chicago Hospitals & Health System US
AS394797 Millikin University US
AS402166 Mannheim School District 83 US
AS395433 Township High School District 214 US
AS395847 Maine Township High School District 207 US
AS17196 College of duPage US
AS394241 Murphysboro Community Unit School District No. 186 US
AS22978 Governors State University US
AS395068 McHenry County College District 528 US
AS394031 South Suburban College of Cook County US

Legacy Routes

66.99.51.0/24

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Frequently Asked Questions

ASN AS6325 is an Autonomous System Number used to identify a network for BGP internet routing.
AS6325 is listed under Illinois Century Network.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.