AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
ILLINOIS-CENTURY Illinois Century Network 124 1 760,064 4,294,967,296 United States
760,064 IPv4 Addresses
CIDR Description IP Num
64.107.0.0/18 16384
64.107.0.0/17 32768
64.107.0.0/16 Illinois Century Network 65536
64.107.64.0/18 Illinois Century Network 16384
64.107.128.0/18 Illinois Century Network 16384
64.107.128.0/17 Illinois Century Network 32768
64.107.167.0/24 256
64.107.192.0/18 Illinois Century Network 16384
64.150.0.0/18 16384
64.150.0.0/17 Illinois Century Network 32768
64.150.64.0/18 16384
65.79.0.0/17 Illinois Century Network 32768
65.79.124.0/23 Illinois Century Network 512
66.99.0.0/18 16384
66.99.0.0/17 32768
66.99.0.0/16 Illinois Century Network 65536
66.99.64.0/18 Illinois Century Network 16384
66.99.76.0/22 Illinois Century Network 1024
66.99.97.0/24 Illinois Century Network 256
66.99.128.0/21 2048
66.99.128.0/18 16384
66.99.128.0/17 32768
66.99.140.0/22 Illinois Century Network 1024
66.99.142.0/24 256
66.99.192.0/18 16384
66.99.253.0/24 Illinois Century Network 256
66.158.0.0/19 Illinois Century Network 8192
66.158.0.0/17 Illinois Century Network 32768
66.158.26.0/24 Illinois Century Network 256
66.158.104.0/24 256
72.3.0.0/17 Illinois Dept of Innovation and Technology 32768
163.191.0.0/24 State of Illinois 256
163.191.0.0/19 State of Illinois 8192
163.191.0.0/16 State of Illinois 65536
163.191.32.0/19 State of Illinois 8192
163.191.64.0/19 State of Illinois 8192
163.191.96.0/19 State of Illinois 8192
163.191.128.0/19 State of Illinois 8192
163.191.160.0/19 State of Illinois 8192
163.191.192.0/19 State of Illinois 8192
163.191.224.0/19 State of Illinois 8192
192.77.125.0/24 Rock Valley College 256
199.15.0.0/21 Illinois Secretary of State 2048
206.166.0.0/24 Illinois Century Network 256
206.166.0.0/18 Illinois Century Network 16384
206.166.0.0/17 Illinois Century Network 32768
206.166.12.0/24 Illinois Century Network 256
206.166.37.0/24 256
206.166.41.0/24 256
206.166.64.0/18 Illinois Century Network 16384
206.166.73.0/24 256
206.166.74.0/24 Illinois Century Network 256
206.166.77.0/24 256
206.166.91.0/24 256
206.166.96.0/24 256
207.63.0.0/18 Illinois Century Network 16384
207.63.0.0/17 Illinois Century Network 32768
207.63.0.0/16 Illinois Century Network 65536
207.63.64.0/18 Illinois Century Network 16384
207.63.124.0/24 256
207.63.128.0/18 Illinois Century Network 16384
207.63.128.0/17 Illinois Century Network 32768
207.63.192.0/18 Illinois Century Network 16384
207.63.207.0/24 256
209.7.0.0/18 Illinois Century Network 16384
209.7.0.0/17 Illinois Century Network 32768
209.7.0.0/16 Illinois Century Network 65536
209.7.64.0/18 16384
209.7.128.0/18 Illinois Century Network 16384
209.7.128.0/17 Illinois Century Network 32768
209.7.177.0/24 Illinois Century Network 256
209.7.192.0/18 Illinois Century Network 16384
209.174.0.0/18 Illinois Century Network 16384
209.174.0.0/17 Illinois Century Network 32768
209.174.0.0/16 Illinois Century Network 65536
209.174.64.0/18 Illinois Century Network 16384
209.174.112.0/22 Illinois Century Network 1024
209.174.116.0/24 256
209.174.123.0/24 256
209.174.128.0/18 Illinois Century Network 16384
209.174.128.0/17 Illinois Century Network 32768
209.174.138.0/24 256
209.174.192.0/18 Illinois Century Network 16384
209.174.242.0/23 Illinois Century Network 512
209.174.244.0/22 Illinois Century Network 1024
209.174.248.0/21 Illinois Century Network 2048
209.175.0.0/18 Illinois Century Network 16384
209.175.0.0/17 Illinois Century Network 32768
209.175.0.0/16 Illinois Century Network 65536
209.175.64.0/18 Illinois Century Network 16384
209.175.96.0/24 Illinois Century Network 256
209.175.128.0/18 Illinois Century Network 16384
209.175.128.0/17 Illinois Century Network 32768
209.175.192.0/18 Illinois Century Network 16384
209.175.216.0/21 Illinois Century Network 2048
209.175.224.0/21 Illinois Century Network 2048
216.124.0.0/18 Illinois Century Network 16384
216.124.0.0/17 Illinois Century Network 32768
216.124.0.0/16 Illinois Century Network 65536
216.124.52.0/22 Illinois Century Network 1024
216.124.56.0/24 Illinois Century Network 256
216.124.56.0/23 Illinois Century Network 512
216.124.58.0/23 Illinois Century Network 512
216.124.60.0/23 Illinois Century Network 512
216.124.64.0/18 Illinois Century Network 16384
216.124.128.0/18 Illinois Century Network 16384
216.124.128.0/17 Illinois Century Network 32768
216.124.192.0/18 Illinois Century Network 16384
216.124.216.0/21 Illinois Century Network 2048
216.124.249.0/24 Illinois Century Network 256
216.124.250.0/23 Illinois Century Network 512
216.124.252.0/22 Illinois Century Network 1024
216.125.0.0/18 Illinois Century Network 16384
216.125.0.0/17 Illinois Century Network 32768
216.125.0.0/16 Illinois Century Network 65536
216.125.64.0/18 Illinois Century Network 16384
216.125.104.0/21 Illinois Century Network 2048
216.125.128.0/18 Illinois Century Network 16384
216.125.128.0/17 Illinois Century Network 32768
216.125.144.0/22 1024
216.125.192.0/18 Illinois Century Network 16384
216.125.216.0/22 Illinois Century Network 1024
216.125.219.0/24 256
216.240.208.0/20 Metropolitan Library System 4096
CIDR Description IP NUMs(prefix /64)
2001:1848::/32 Illinois Century Network 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,533,056 310,094,888,960 IPv4 IPv4
AS293 ESNET, US United States 132,864 4,295,032,832 IPv4 IPv4
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 83,834,624 2,328,426,577,920 IPv4 IPv4 IPv6 IPv6
AS19151 WVFIBER-1 - WV FIBER, US United States 68,352 4,294,967,296 IPv4 IPv4
AS19653 CTSTELECOM - CTS Communications Corp, US United States 90,624 4,563,402,752 IPv4 IPv4 IPv6 IPv6
AS19754 FNL-33-19754 - The Fusion Network, LLC, US United States 8,448 983,040 IPv4 IPv4
AS22335 MREN - Metropolitan Research and Education Network, US United States 256 0 IPv4 IPv4 IPv6 IPv6
AS23367 GENADAP - Genesis Adaptive, INC., US United States 4,864 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., DE Germany 2,180,488 184,684,314,624 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 516,352 282,703,874,752,512 IPv4 IPv4 IPv6 IPv6
AS14361 HOPONE-GLOBAL - HopOne Internet Corporation, US United States 137,472 4,980,736 IPv4 IPv4
AS40387 UI-ICCN - University of Illinois, US United States 2,048 65,536 IPv4 IPv4
AS53828 NITEL - NETWORK INNOVATIONS, INC., US United States 111,104 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS15337 WRHARPER - Wm. Rainey Harper College, US United States 65,536 0 IPv4 IPv4
AS26367 BRADLEY-UNIVERSITY - Bradley University, US United States 65,536 0 IPv4 IPv4
AS46286 COOK-COUNTY - Cook County, US United States 2,048 0 IPv4 IPv4
AS395068 MCHENRYCOUNTYCOLLEGEASN - McHenry County College District 528, US United States 256 0 IPv4 IPv4
AS13953 SVCC-EDU - Sauk Valley Community College, US United States 4,096 1,048,576 IPv4 IPv4
AS22887 WIU-AS - Western Illinois University, US United States 40,960 0 IPv4 IPv4
AS33019 WHEATONCOLLEGE - Wheaton College, US United States 4,352 0 IPv4 IPv4
AS54950 ASGE - The American Society for Gastrointestinal Endoscopy, US United States 256 0 IPv4 IPv4
AS393926 LZCUSD95 - LAKE ZURICH CUSD 95, US United States 512 0 IPv4 IPv4
AS15119 SOUTHERN-ILLINOIS-UNIVERSITY - Southern Illinois University, US United States 65,536 0 IPv4 IPv4
AS32294 CITY-OF-CHAMPAIGN-IL - City of Champaign, Illinois, US United States 256 0 IPv4 IPv4
AS394797 MILLIK-ASN1 - Millikin University, US United States 4,096 0 IPv4 IPv4
AS11417 NIU - Northern Illinois University, US United States 65,536 0 IPv4 IPv4
AS17196 COD-GE-IL - College of duPage, US United States 512 0 IPv4 IPv4
AS22978 GSU - Governors State University, US United States 32,768 0 IPv4 IPv4
AS29885 UCHHS-AS - Univeristy of Chicago Hospitals & Health System, US United States 65,792 0 IPv4 IPv4
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 83,834,624 2,328,426,577,920 IPv6 IPv6
AS1702 CCHICAGO-STATE-UNIVERSITY - CHICAGO STATE UNIVERSITY, US United States 1,024 0 IPv4 IPv4
AS7386 ILLINOIS-STATE-UNIV - Illinois State University, US United States 65,536 0 IPv4 IPv4
AS7968 LOYOLA-UNIV-CHICAGO - Loyola University Chicago, US United States 65,536 0 IPv4 IPv4
AS26255 OAKTONCOMMUNITYCOLLEGE - Oakton Community College, US United States 1,024 0 IPv4 IPv4
AS29993 NCC-23-ASN - North Central College, US United States 512 0 IPv4 IPv4
AS40710 CLC-98-ILLINOIS - College of Lake County, US United States 512 0 IPv4 IPv4
AS53695 SIUE - Southern Illinois University at Edwardsville, US United States 65,536 0 IPv4 IPv4
AS394534 CITYOFCHICAGO-ASN-01 - City of Chicago, US United States 66,560 0 IPv4 IPv4
AS6200 UIC-AS - University of Illinois at Chicago, US United States 131,328 0 IPv4 IPv4
AS397112 ILLINOIS-MATH-SCIENCE - Illinois Mathematics and Science Academy, US United States 57,344 0 IPv4 IPv4
AS394031 SOUTHSUBURBANCOLLEGEOFCOOKCOUNTY - South Suburban College of Cook County, US United States 1,024 0 IPv4 IPv4
AS15118 SIU-BB-2 - Southern Illinois University - School of Medicine, US United States 4,096 0 IPv4 IPv4
AS40038 MORAINEVALLEY-NET - Moraine Valley Community College, US United States 2,048 0 IPv4 IPv4
AS63056 HOOPESTON-AREA-SCHOOLS - Hoopeston Area Schools, US United States 512 65,536 IPv4 IPv4
AS394026 VOS-ASN1 - Village of Schaumburg, US United States 256 0 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 516,352 282,703,874,752,512 IPv6 IPv6
AS33460 WAUBONSEE-COMMUNITY-COLLEGE - Waubonsee Community College, US United States 768 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States Equinix Chicago - Equinix Chicago Exchange 208.115.136.22 2001:504:0:4::6325:1 20 Gbps 2018-04-11 14:03:57

Private Peering Facilities

Country/Region Name City Website Updated
Equinix Chicago (CH1/CH2/CH4) Chicago http://www.equinix.com/ 2016-03-14 20:39:31
IP Address Domain NUMs Domains
64.107.3.158 1 chipublib.net
64.107.3.162 1 button.indiedb.com.quickproxy3.chipublib.org
64.107.3.166 2 chicagolibrary.org
64.107.3.167 3 chipubweb.net
64.107.8.51 1 ww2.morainevalley.edu
64.107.13.101 2 cyberlab.cit.morainevalley.edu
64.107.13.102 1 ccdc.cit.morainevalley.edu
64.107.13.105 1 netlab1.cit.morainevalley.edu
64.107.13.112 2 cssia.org
64.107.14.10 1 mvccns1.morainevalley.edu
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:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/ILTN

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

OrgTechHandle: ZI83-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-217-785-9460 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZI83-ARIN

OrgAbuseHandle: ICNAB-ARIN
OrgAbuseName:   ICN Abuse
OrgAbusePhone:  +1-217-557-6555 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ICNAB-ARIN

RTechHandle: ZI83-ARIN
RTechName:   Hostmaster
RTechPhone:  +1-217-785-9460 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ZI83-ARIN