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The website screenshot for http://www.illinois.net

Illinois Century Network

AS Number6325
Websitehttp://www.illinois.net

Registered on
31 Oct 2001 (24 years old)
Registered to
ARIN-ILTN (arin)
Network status
Active, Allocated under ARIN
Network type
Eyeball
Prefixes Originated
108 IPv4, 1 IPv6

Upstreams

  • AS174 - Cogent Communications, LLC
  • AS7018 - AT&T Enterprises, LLC
  • AS3257 - GTT Communications Inc.
  • AS32787 - Akamai (Prolexic)
  • AS22335 - Metropolitan Research and Education Network
  • AS6939 - Hurricane Electric LLC
Prefixes Originated
108 IPv4, 1 IPv6
Show Low Visibility Prefixes
Addresses Originated
2961 /24's of IPv4
65536 /48's of IPv6

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

 PrefixDescription
64.107.0.0/18Illinois Century Network
64.107.0.0/17Illinois Century Network
64.107.0.0/16Illinois Century Network
64.107.64.0/18Illinois Century Network
64.107.128.0/17Illinois Century Network
64.107.128.0/18Illinois Century Network
64.107.167.0/24Illinois Century Network
64.107.192.0/18Illinois Century Network
64.150.0.0/17Illinois Century Network
65.79.0.0/17Illinois Century Network
66.99.0.0/16Illinois Century Network
66.99.0.0/17Illinois Century Network
66.99.0.0/18Illinois Century Network
66.99.51.0/24Illinois Century Network
66.99.64.0/18Illinois Century Network
66.99.97.0/24Illinois Century Network
66.99.128.0/18Illinois Century Network
66.99.128.0/17Illinois Century Network
66.99.192.0/18Illinois Century Network
66.99.209.0/24Illinois Century Network
66.158.0.0/23Illinois Century Network
66.158.0.0/17Illinois Century Network
66.158.2.0/23Illinois Century Network
66.158.5.0/24Illinois Century Network
66.158.6.0/23Illinois Century Network
66.158.8.0/21Illinois Century Network
66.158.16.0/20Illinois Century Network
66.158.104.0/24Illinois Century Network
72.3.0.0/19Illinois Century Network
72.3.0.0/17Illinois Century Network
136.144.0.0/20Millikin University
163.191.0.0/21State of Illinois
163.191.0.0/17State of Illinois
163.191.8.0/22State of Illinois
163.191.12.0/23State of Illinois
163.191.14.0/24State of Illinois
163.191.32.0/19State of Illinois
163.191.64.0/19State of Illinois
163.191.96.0/20State of Illinois
163.191.112.0/21State of Illinois
163.191.120.0/22State of Illinois
163.191.124.0/24State of Illinois
163.191.125.0/24State of Illinois
163.191.126.0/24State of Illinois
163.191.128.0/19State of Illinois
163.191.128.0/17State of Illinois
163.191.162.0/23State of Illinois
163.191.164.0/22State of Illinois
163.191.168.0/21State of Illinois
163.191.176.0/21State of Illinois
163.191.184.0/22State of Illinois
163.191.188.0/23State of Illinois
163.191.192.0/19State of Illinois
163.191.224.0/19State of Illinois
192.77.125.0/24Rock Valley College
206.166.0.0/17Illinois Century Network
206.166.0.0/24Illinois Century Network
206.166.0.0/18Illinois Century Network
206.166.64.0/18Illinois Century Network
207.63.0.0/18Illinois Century Network
207.63.0.0/17Illinois Century Network
207.63.0.0/16Illinois Century Network
207.63.64.0/18Illinois Century Network
207.63.128.0/17Illinois Century Network
207.63.128.0/18Illinois Century Network
207.63.140.0/24Illinois Century Network
207.63.175.0/24Illinois Century Network
207.63.176.0/24Illinois Century Network
207.63.183.0/24Illinois Century Network
207.63.186.0/23Illinois Century Network
207.63.192.0/18Illinois Century Network
207.63.195.0/24Illinois Century Network
209.7.0.0/17Illinois Century Network
209.7.0.0/16Illinois Century Network
209.7.0.0/18Illinois Century Network
209.7.64.0/18Illinois Century Network
209.7.65.0/24Illinois Century Network
209.7.66.0/24Illinois Century Network
209.7.128.0/17Illinois Century Network
209.7.128.0/18Illinois Century Network
209.7.192.0/18Illinois Century Network
209.174.0.0/16Illinois Century Network
209.174.0.0/17Illinois Century Network
209.174.66.0/23Illinois Century Network
209.174.128.0/17Illinois Century Network
209.175.0.0/16Illinois Century Network
209.175.0.0/17Illinois Century Network
209.175.0.0/18Illinois Century Network
209.175.17.0/24Illinois Century Network
209.175.64.0/18Illinois Century Network
209.175.96.0/24Illinois Century Network
209.175.128.0/17Illinois Century Network
209.175.128.0/18Illinois Century Network
209.175.192.0/18Illinois Century Network
216.124.0.0/16Illinois Century Network
216.124.0.0/17Illinois Century Network
216.124.52.0/22Illinois Century Network
216.124.56.0/23Illinois Century Network
216.124.58.0/23Illinois Century Network
216.124.60.0/23Illinois Century Network
216.124.128.0/18Illinois Century Network
216.124.128.0/17Illinois Century Network
216.124.192.0/18Illinois Century Network
216.125.0.0/16Illinois Century Network
216.125.0.0/17Illinois Century Network
216.125.32.0/21Illinois Century Network
216.125.128.0/17Illinois Century Network
216.125.192.0/18Illinois Century Network
2001:1848::/32Illinois Century Network

Network PolicyThis info take up to 2 hours to fully update

Click here to learn more about what this graph means and what makes up a network policy
Chart Display Options

Prefixes in selected policy

How are upstreams and downstreams calculated?

UpstreamsThis information was fetched live at page load time

 ASNDescriptionIPv4IPv6
AS174Cogent Communications, LLC✔✔
AS7018AT&T Enterprises, LLC✔✔
AS3257GTT Communications Inc.✔✔
AS32787Akamai (Prolexic)✔✘
AS22335Metropolitan Research and Education Network✔✘
AS6939Hurricane Electric LLC✘✔

PeersThis information was fetched live at page load time

 ASNDescriptionIPv4IPv6
AS174Cogent Communications, LLC✔✔
AS32787Akamai (Prolexic)✔✘
AS7018AT&T Enterprises, LLC✔✔
AS3257GTT Communications Inc.✔✔
AS394534City of Chicago✔✘
AS6939Hurricane Electric LLC✔✔
AS22335Metropolitan Research and Education Network✔✔
AS46286Cook County✔✘
AS397112Illinois Mathematics and Science Academy✔✘
AS19070Eastern Illinois University✔✘
AS22887Western Illinois University✔✘
AS395433Township High School District 214✔✘
AS32344Community High School District 99✔✘
AS33460Waubonsee Community College✔✘
AS29993North Central College✔✘
AS26255Oakton Community College✔✘
AS63056Hoopeston Area Schools✔✔
AS33019Wheaton College✔✘
AS10308Northeastern Illinois University✔✘
AS15118Southern Illinois University - School of Medicine✔✘
AS22978Governors State University✔✘
AS15337Wm. Rainey Harper College✔✘
AS22272ERR_AS_NAME_NOT_FOUND✔✘
AS1416Chicago Public Schools✔✘
AS1702CHICAGO STATE UNIVERSITY✔✘
AS23427Glenbard HSD #87✔✘
AS395847Maine Township High School District 207✔✘
AS394798Chicago Park District✔✘
AS394026Village of Schaumburg✔✘
AS53643Manteno Community Unit School District 5✔✘
AS394241Murphysboro Community Unit School District No. 186✔✘
AS29885Univeristy of Chicago Hospitals & Health System✔✘
AS11417Northern Illinois University✔✘
AS17196College of duPage✔✘
AS49544i3D.net B.V✔✔
AS22666Glenbrook High School District✔✘
AS1828Unitas Global✔✔
AS53642Central Community Unit School District 301✔✘
AS6327Shaw Communications✔✘
AS40038Moraine Valley Community College✔✘
AS15169Google LLC✔✘
AS9505Taiwan Internet Gateway✔✘
AS40710College of Lake County✔✘
AS13335Cloudflare, Inc.✔✔
AS10242US Internet Corp✔✘
AS1239Sprint Wireline (Cogent)✔✘
AS394031South Suburban College of Cook County✔✘
AS62887WhiteSky Communications, LLC.✔✘
AS293ESnet✔✘
AS17378TierPoint, LLC✔✔
AS53597Hoyos Consulting LLC✔✔
AS32590Valve Corporation✔✔
AS7386Illinois State University✔✘
AS395068McHenry County College District 528✔✘
AS8928GTT Communications Inc.✔✘
AS6200University of Illinois Chicago✔✘
AS32294City of Champaign, Illinois✔✘
AS32464University Of Illinois College Of Medicine At Peoria✔✘

DownstreamsThis information was fetched live at page load time

 ASNDescriptionIPv4IPv6
AS394534City of Chicago✔✘
AS46286Cook County✔✘
AS19070Eastern Illinois University✔✘
AS397112Illinois Mathematics and Science Academy✔✘
AS395433Township High School District 214✔✘
AS22887Western Illinois University✔✘
AS32344Community High School District 99✔✘
AS33460Waubonsee Community College✔✘
AS29993North Central College✔✘
AS10308Northeastern Illinois University✔✘
AS33019Wheaton College✔✘
AS15337Wm. Rainey Harper College✔✘
AS1416Chicago Public Schools✔✘
AS1702CHICAGO STATE UNIVERSITY✔✘
AS395847Maine Township High School District 207✔✘
AS22978Governors State University✔✘
AS394798Chicago Park District✔✘
AS63056Hoopeston Area Schools✔✔
AS23427Glenbard HSD #87✔✘
AS15118Southern Illinois University - School of Medicine✔✘
AS53643Manteno Community Unit School District 5✔✘
AS394026Village of Schaumburg✔✘
AS394241Murphysboro Community Unit School District No. 186✔✘
AS29885Univeristy of Chicago Hospitals & Health System✔✘
AS11417Northern Illinois University✔✘
AS17196College of duPage✔✘
AS53642Central Community Unit School District 301✔✘
AS40710College of Lake County✔✘
AS22666Glenbrook High School District✔✘
AS7386Illinois State University✔✘
AS395068McHenry County College District 528✔✘
AS6200University of Illinois Chicago✔✘
AS32464University Of Illinois College Of Medicine At Peoria✔✘
AS32294City of Champaign, Illinois✔✘
AS22272ERR_AS_NAME_NOT_FOUND✔✘
AS26255Oakton Community College✔✘
AS394031South Suburban College of Cook County✔✘
ASHandle:AS6325OrgID:          ILTNASName:         ILLINOIS-CENTURYASNumber:       6325RegDate:        2001-10-31Updated:        2015-11-16TechHandle:ZI83-ARINSource:         ARINOrgID:          ILTNOrgName:        Illinois Century NetworkCanAllocate:    Street:         120 W JeffersonStreet:         Suite BCity:           SpringfieldState/Prov:     ILCountry:        USPostalCode:     62702RegDate:        1970-01-01Updated:        2025-09-24ReferralServer: rwhois://rwhois.illinois.net:4321OrgAdminHandle:ZI83-ARINOrgTechHandle:RESER5-ARINOrgTechHandle:WEBST193-ARINOrgTechHandle:ZI83-ARINOrgAbuseHandle:ICNAB-ARINSource:         ARINOrgAdminHandle:ZI83-ARINOrgAdminName:          Hostmaster# Email removed, Log into bgp.tools to see whois emailsOrgTechHandle:RESER5-ARINOrgTechName:          Chuck Reserva# Email removed, Log into bgp.tools to see whois emailsOrgTechHandle:WEBST193-ARINOrgTechName:          Andrew Webster# Email removed, Log into bgp.tools to see whois emailsOrgTechHandle:ZI83-ARINOrgTechName:           Hostmaster# Email removed, Log into bgp.tools to see whois emailsOrgAbuseHandle:ICNAB-ARINOrgAbuseName:          ICN Abuse# Email removed, Log into bgp.tools to see whois emailsTechHandle:ZI83-ARINTechName:              Hostmaster# Email removed, Log into bgp.tools to see whois emails
Last Update: 2025-11-26T03:26:06Z UTC

Member of the following AS-SETs

-MemberASN Count
RIPEas-gttcust

89359

LEVEL3as-level3-customers-na0
RADBas22335:as-customers82
RADBas-telstra-testing-1

11757

RADBas-kddcustomer28206
LEVEL3as-as209-cust1818
LEVEL3as-level3-origins-na0
LEVEL3as-sprint-customers1756
RADBas-hurricanev6

20440

RADBas-icn-customers69
RADBas-rcn-customer2051
LEVEL3as-sprint-origins7309
RIPEas-gttcust6

88784

RADBas-prole1189
RADBas-cci-il-cust23
RADBas-telstra-intl-customers

11799

ARINas1239:as-customers4238

Go to PeeringDB page

PeeringDB AS-SET:
AS-ICN-CUSTOMERS
Suggested Prefix Limits

IPv4: 200

IPv6: 20

Internet Exchange Points

 NameIPv4IPv6Link Speed
Equinix Chicago208.115.136.222001:504:0:4::6325:1200 gbps
Last Update: 2025-11-26T10:08:19Z UTC
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