AS6325 - ILLINOIS-CENTURY - Illinois Century Network, US

United States
AS Number
AS6325
AS Name
ILLINOIS-CENTURY
Org Name
Illinois Century Network
Country
United States
Registry

arin

RegDate

Updated

2025-09-24

AS6325 Looking Glass
IPv4Prefixes

106

IPv6Prefixes

1

IPv4 NUMs

758,016

IPv6 NUMs(/64)

4,294,967,296

758,016 IPv4 Addresses
CIDR Description IP Num
64.107.0.0/18 Illinois Century Network 16384
64.107.0.0/17 Illinois Century Network 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 Illinois Century Network 256
64.107.192.0/18 Illinois Century Network 16384
64.150.0.0/17 Illinois Century Network 32768
65.79.0.0/17 Illinois Century Network 32768
66.99.0.0/18 Illinois Century Network 16384
66.99.0.0/17 Illinois Century Network 32768
66.99.0.0/16 Illinois Century Network 65536
66.99.51.0/24 Illinois Century Network 256
66.99.64.0/18 Illinois Century Network 16384
66.99.97.0/24 Illinois Century Network 256
66.99.128.0/18 Illinois Century Network 16384
66.99.128.0/17 Illinois Century Network 32768
66.99.192.0/18 Illinois Century Network 16384
66.99.209.0/24 Illinois Century Network 256
66.158.0.0/23 Illinois Century Network 512
66.158.0.0/17 Illinois Century Network 32768
66.158.2.0/23 Illinois Century Network 512
66.158.5.0/24 Illinois Century Network 256
66.158.6.0/23 Illinois Century Network 512
66.158.8.0/21 Illinois Century Network 2048
66.158.16.0/20 Illinois Century Network 4096
66.158.104.0/24 Illinois Century Network 256
72.3.0.0/19 Illinois Dept of Innovation and Technology 8192
72.3.0.0/17 Illinois Dept of Innovation and Technology 32768
136.144.0.0/20 Millikin University 4096
163.191.0.0/21 State of Illinois 2048
163.191.0.0/17 State of Illinois 32768
163.191.8.0/22 State of Illinois 1024
163.191.12.0/23 State of Illinois 512
163.191.14.0/24 State of Illinois 256
163.191.32.0/19 State of Illinois 8192
163.191.64.0/19 State of Illinois 8192
163.191.128.0/19 State of Illinois 8192
163.191.128.0/17 State of Illinois 32768
163.191.162.0/23 State of Illinois 512
163.191.164.0/22 State of Illinois 1024
163.191.168.0/21 State of Illinois 2048
163.191.176.0/21 State of Illinois 2048
163.191.184.0/22 State of Illinois 1024
163.191.188.0/23 State of Illinois 512
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
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
206.166.64.0/18 Illinois Century Network 16384
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
207.63.128.0/18 Illinois Century Network 16384
207.63.128.0/17 Illinois Century Network 32768
207.63.140.0/24 Illinois Century Network 256
207.63.175.0/24 Illinois Century Network 256
207.63.176.0/24 Illinois Century Network 256
207.63.183.0/24 Illinois Century Network 256
207.63.186.0/23 Illinois Century Network 512
207.63.192.0/18 Illinois Century Network 16384
207.63.195.0/24 Illinois Century Network 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 Illinois Century Network 16384
209.7.65.0/24 Illinois Century Network 256
209.7.66.0/24 Illinois Century Network 256
209.7.101.0/24 Illinois Century Network 256
209.7.128.0/18 Illinois Century Network 16384
209.7.128.0/17 Illinois Century Network 32768
209.7.192.0/18 Illinois Century Network 16384
209.7.226.0/24 Illinois Century Network 256
209.7.244.0/22 Illinois Century Network 1024
209.7.248.0/22 Illinois Century Network 1024
209.174.0.0/17 Illinois Century Network 32768
209.174.0.0/16 Illinois Century Network 65536
209.174.66.0/23 Illinois Century Network 512
209.174.128.0/17 Illinois Century Network 32768
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
209.175.17.0/24 Illinois Century Network 256
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
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
216.124.56.0/23 Illinois Century Network 512
216.124.58.0/23 Illinois Century Network 512
216.124.60.0/23 Illinois Century Network 512
216.124.128.0/18 Illinois Century Network 16384
216.124.128.0/17 Illinois Century Network 32768
216.124.192.0/18 Illinois Century Network 16384
216.125.0.0/17 Illinois Century Network 32768
216.125.0.0/16 Illinois Century Network 65536
216.125.32.0/21 Illinois Century Network 2048
216.125.128.0/17 Illinois Century Network 32768
216.125.192.0/18 Illinois Century Network 16384
CIDR Description IP NUMs(prefix /64)
2001:1848::/32 Illinois Century Network 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 97,280 351,384,436,736 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,891,712 185,692,585,984 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,912 282,627,370,713,088 IPv6 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 92,816,640 2,422,362,275,840 IPv6 IPv6
AS22335 MREN - Metropolitan Research and Education Network, US United States 256 0 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12,800 2,162,688 IPv6 IPv6
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 132,096 4,294,967,296 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,572,928 846,109,671,424 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS63056 HOOPESTON-AREA-SCHOOLS - Hoopeston Area Schools, US United States 512 65,536 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States Equinix Chicago - Equinix Internet Exchange Chicago 208.115.136.22 2001:504:0:4::6325:1 200 Gbps 2025-10-08 13:02:15

Private Peering Facilities

Country/Region Name City Website Updated
Equinix CH1/CH2/CH4 - Chicago Chicago http://www.equinix.com/ 2016-03-14 20:39:31 
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

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

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

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