1. All IP Ranges
  2. 206.0.0.0/8
  3. 206.166.0.0/16
  4. AS6325  | 206.166.0.0/18

206.166.0.0/18

AS6325  ·  Illinois Century Network

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Summary

Country United States
Domain illinois.net
ASN AS6325
Parent Range 206.166.0.0/17
Registry ARIN
ID ICN6

WHOIS Details

NetHandle:      NET-206-166-0-0-1
OrgID:          ILTN
Parent:         NET-206-0-0-0-0
NetName:        ICN6
NetRange:       206.166.0.0 - 206.166.127.255
NetType:        allocation
RegDate:        1995-10-16
Updated:        2015-11-16
TechHandle:     ZI83-ARIN
Source:         ARIN


OrgID:          ILTN
OrgName:        Illinois Century Network
CanAllocate:    
Street:         120 W Jefferson
Street:         Suite B
City:           Springfield
State/Prov:     IL
Country:        US
PostalCode:     62702
RegDate:        1970-01-01
Updated:        2025-09-24
ReferralServer: rwhois://rwhois.illinois.net:4321
OrgAdminHandle: ZI83-ARIN
OrgTechHandle:  RESER5-ARIN
OrgTechHandle:  WEBST193-ARIN
OrgTechHandle:  ZI83-ARIN
OrgAbuseHandle: ICNAB-ARIN
Source:         ARIN


POCHandle:      ICNAB-ARIN
IsRole:         Y
LastName:       ICN Abuse
FirstName:      
Street:         120 W Jefferson
Street:         Suite B
City:           Springfield
State/Prov:     IL
Country:        US
PostalCode:     62702
RegDate:        2003-10-09
Updated:        2025-07-21
OfficePhone:    +1-217-524-3648
Mailbox:        doit.security@illinois.gov
Source:         ARIN


POCHandle:      RESER5-ARIN
IsRole:         N
LastName:       Reserva
FirstName:      Chuck
Street:         120 West Jefferson, Springfield, Illinois, 62702
City:           Springfield
State/Prov:     IL
Country:        US
PostalCode:     62702
RegDate:        2025-09-23
Updated:        2025-09-23
OfficePhone:    +1-217-786-8872
Mailbox:        chuck.reserva@illinois.gov
Source:         ARIN


POCHandle:      WEBST193-ARIN
IsRole:         N
LastName:       Webster
FirstName:      Andrew
Street:         120 W Jefferson St
City:           Springfield
State/Prov:     IL
Country:        US
PostalCode:     62702
RegDate:        2025-07-21
Updated:        2025-07-21
OfficePhone:    +1-217-558-1106
Mailbox:        andy.webster@illinois.gov
Source:         ARIN


POCHandle:      ZI83-ARIN
IsRole:         Y
LastName:       Hostmaster
FirstName:      
Street:         120 W Jefferson
Street:         Suite B
City:           Springfield
State/Prov:     IL
Country:        US
PostalCode:     62702
RegDate:        2001-10-31
Updated:        2025-05-29
OfficePhone:    +1-815-936-4643
MobilePhone:    +1-779-801-4071
Mailbox:        DoIT.ICN.Hostmasternet@illinois.gov
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 206.166.0.0/18

Range ASN Company Num of IPs
206.166.0.0/17 AS6325 Illinois Century Network 32,768

Nearby Ranges

BGP prefixes that overlap with 206.166.0.0/16

Range ASN Company Num of IPs
206.166.0.0/17 AS6325 Illinois Century Network 32,768
206.166.128.0/18 AS2914 NTT America, Inc. 16,384
206.166.240.0/21 AS23314 Summit Broadband 2,048
206.166.140.0/22 AS14717 Eze Castle Integration, Inc. 1,024
206.166.204.0/22 AS53764 DM Wireless LLC 1,024
206.166.248.0/23 AS16509 HackerOne Inc. 512
206.166.202.0/23 AS18106 Viewqwest, Inc 512
206.166.194.0/23 AS397116 Wellesley Municipal Light Plant 512
206.166.196.0/23 AS62887 WhiteSky Communications, LLC. 512
206.166.252.0/23 AS20055 Wholesail networks LLC 512
206.166.193.0/24 AS53334 Clearwater Analytics, LLC 256
206.166.220.0/24 AS54743 Taguchi Networks LLC 256
206.166.199.0/24 AS54809 MCM Systems, LLC 256
206.166.222.0/24 AS13837 Point5 Managed Services, LLC 256
206.166.250.0/24 AS7816 Concurrent Technologies Corporation 256
206.166.140.0/24 AS14717 Eze Castle Integration, Inc. 256
206.166.198.0/24 AS16843 Celltex Networks, LLC 256
206.166.213.0/24 AS18619 NUSO 256
206.166.212.0/24 AS394890 Dewpoint Inc 256
206.166.254.0/24 AS396846 Florida Wifi, LLC 256
206.166.223.0/24 AS397346 SBFiber 256
206.166.255.0/24 AS397967 Cook Inlet Region, Inc. 256
206.166.192.0/24 AS398187 NW Technology 256
206.166.251.0/24 AS399629 BL Networks 256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
206.166.40.234 elkhart.k12.il.us 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

361 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
206.166.35.66 AS6325 Illinois Century Network 0.82ms from Chicago, US
206.166.10.225 AS6325 Illinois Century Network 1.27ms from Chicago, US
206.166.14.14 AS6325 Illinois Century Network 10.38ms from Chicago, US
206.166.8.48 AS6325 Illinois Century Network 0.58ms from Chicago, US
206.166.1.110 AS6325 Illinois Century Network 0.65ms from Chicago, US
206.166.5.5 AS6325 Illinois Century Network 1.24ms from Chicago, US
206.166.7.65 AS6325 Illinois Century Network 2.80ms from Chicago, US
206.166.4.7 AS6325 Illinois Century Network 1.11ms from Chicago, US
206.166.37.1 AS6325 Illinois Century Network 3.42ms from Chicago, US
206.166.2.1 AS6325 Illinois Century Network 1.24ms from Chicago, US
206.166.6.18 AS6325 Illinois Century Network 4.34ms from Chicago, US
206.166.15.241 AS6325 Illinois Century Network 10.64ms from Chicago, US
206.166.16.65 AS6325 Illinois Century Network 5.40ms from Chicago, US
206.166.11.125 AS6325 Illinois Century Network 10.41ms from Chicago, US
206.166.17.200 AS6325 Illinois Century Network 0.62ms from Chicago, US
206.166.26.1 AS6325 Illinois Century Network 7.16ms from Chicago, US
206.166.9.38 AS6325 Illinois Century Network 0.56ms from Chicago, US
206.166.0.170 AS6325 Illinois Century Network 0.44ms from Chicago, US
206.166.41.1 AS6325 Illinois Century Network 2.75ms from Chicago, US
206.166.58.73 AS6325 Illinois Century Network 5.30ms from Chicago, US
206.166.61.22 AS6325 Illinois Century Network 4.78ms from Chicago, US
206.166.56.85 AS6325 Illinois Century Network 5.31ms from Chicago, US
206.166.45.74 AS6325 Illinois Century Network 1.29ms from Chicago, US
206.166.49.1 AS6325 Illinois Century Network 4.87ms from Chicago, US
206.166.48.50 AS6325 Illinois Century Network 4.17ms from Chicago, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
198.182.231.34 AS51758 ProcoliX B.V. 0.78ms from Amsterdam, NL
101.29.23.242 AS4837 CHINA UNICOM China169 Backbone 8.84ms from Beijing, CN
159.250.211.130 AS11776 Breezeline 9.80ms from Boston, US
110.239.33.178 AS9723 iseek Communications Pty Ltd 0.96ms from Brisbane, AU
78.22.237.178 AS6848 Telenet BV 5.06ms from Brussels, BE
181.6.219.114 AS7303 Telecom Argentina S.A. 11.80ms from Buenos Aires, AR
173.36.108.178 AS109 CISCO SYSTEMS, INC. 1.36ms from Dallas, US
182.68.100.130 AS24560 Bharti Airtel Ltd., Telemedia Services 6.35ms from Delhi, IN
38.180.175.2 AS28753 Leaseweb Deutschland GmbH 0.58ms from Frankfurt am Main, DE
115.75.236.34 AS7552 Viettel Group 1.17ms from Ho Chi Minh City, VN
57.133.226.34 AS8220 COLT Technology Services Group Limited 0.58ms from London, GB
189.216.101.34 AS28548 Cablevisión, S.A. de C.V. 1.02ms from Mexico City, MX
47.12.116.210 AS20115 Charter Communications LLC 12.80ms from Minneapolis, US
2.16.48.194 AS20940 Akamai International B.V. 0.48ms from Paris, FR
194.98.51.2 AS702 Verizon Business 4.79ms from Paris, FR
46.152.86.66 AS35819 Etihad Etisalat, a joint stock company 2.58ms from Riyadh, SA
163.192.24.226 AS31898 Oracle Corporation 0.19ms from San Jose, US
114.95.144.82 AS4812 China Telecom (Group) 4.57ms from Shanghai, CN
140.114.55.66 AS18047 National Tsing-Hua University 4.54ms from Taipei, TW
118.20.51.226 AS4713 NTT DOCOMO BUSINESS,Inc. 3.86ms from Tokyo, JP
197.8.154.226 AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom) 18.73ms from Tunis, TN
34.228.148.50 AS14618 Amazon.com, Inc. 0.60ms from Ashburn, US
168.30.223.34 AS3479 Board of Regents of the University System of Georgia 2.64ms from Atlanta, US
183.243.77.2 AS56048 China Mobile Communicaitons Corporation 2.62ms from Beijing, CN
69.14.39.98 AS12083 WideOpenWest Finance LLC 12.27ms from Chicago, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f2 -m14 206.166.20.52
traceroute to 206.166.20.52 (206.166.20.52): 14 hops max, 52 byte packets
3 *
4 *
5 [AS174] 154.24.17.233 3.788 ms
6 [AS174] 154.54.87.61 10.481 ms
7 *
8 *
9 *
10 [AS174] 38.88.204.218 30.439 ms
11 [AS6325] 206.166.9.209 32.773 ms
12 *
13 *
14 *
Measurement taken from IPinfo ProbeNet in Kansas City, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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