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:      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:      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:      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

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
206.166.62.129 AS6325 Illinois Century Network 2.00ms from Chicago, US
206.166.9.38 AS6325 Illinois Century Network 0.56ms from Chicago, US
206.166.53.49 AS6325 Illinois Century Network 7.00ms from Chicago, US
206.166.7.65 AS6325 Illinois Century Network 2.80ms from Chicago, US
206.166.15.241 AS6325 Illinois Century Network 10.64ms from Chicago, US
206.166.61.22 AS6325 Illinois Century Network 4.78ms from Chicago, US
206.166.45.74 AS6325 Illinois Century Network 1.29ms from Chicago, US
206.166.2.1 AS6325 Illinois Century Network 1.24ms from Chicago, US
206.166.17.200 AS6325 Illinois Century Network 0.62ms from Chicago, US
206.166.11.125 AS6325 Illinois Century Network 10.41ms from Chicago, US
206.166.16.65 AS6325 Illinois Century Network 5.40ms from Chicago, US
206.166.58.73 AS6325 Illinois Century Network 5.30ms from Chicago, US
206.166.10.225 AS6325 Illinois Century Network 1.27ms from Chicago, US
206.166.37.1 AS6325 Illinois Century Network 3.42ms from Chicago, US
206.166.14.14 AS6325 Illinois Century Network 10.38ms from Chicago, US
206.166.4.7 AS6325 Illinois Century Network 1.11ms from Chicago, US
206.166.49.1 AS6325 Illinois Century Network 4.87ms from Chicago, US
206.166.5.5 AS6325 Illinois Century Network 1.24ms from Chicago, US
206.166.48.50 AS6325 Illinois Century Network 4.17ms from Chicago, US
206.166.26.1 AS6325 Illinois Century Network 7.16ms from Chicago, US
206.166.1.110 AS6325 Illinois Century Network 0.65ms from Chicago, US
206.166.56.85 AS6325 Illinois Century Network 5.31ms from Chicago, US
206.166.6.18 AS6325 Illinois Century Network 4.34ms from Chicago, US
206.166.41.1 AS6325 Illinois Century Network 2.75ms from Chicago, US
206.166.0.170 AS6325 Illinois Century Network 0.44ms 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
34.203.141.242 AS14618 Amazon.com, Inc. 0.54ms from Ashburn, US
52.170.74.194 AS8075 Microsoft Corporation 0.48ms from Ashburn, US
155.141.103.66 AS668 United States Department of Defense (DoD) 0.51ms from Atlanta, US
20.161.233.226 AS8075 Microsoft Corporation 0.24ms from Boydton, US
89.133.183.130 AS21334 One Hungary Ltd. 0.63ms from Budapest, HU
65.26.205.34 AS10796 Charter Communications Inc 8.03ms from Chicago, US
59.44.180.82 AS4134 CHINANET-BACKBONE 9.55ms from Dalian, CN
88.77.250.210 AS3209 Vodafone GmbH 6.58ms from Duesseldorf, DE
84.158.96.82 AS3320 Deutsche Telekom AG 2.53ms from Duesseldorf, DE
93.194.118.210 AS3320 Deutsche Telekom AG 7.25ms from Frankfurt am Main, DE
153.5.210.2 AS2107 ARNES 0.47ms from Ljubljana, SI
178.20.196.146 AS197107 SERVICE EXPRESS EUROPE LIMITED 4.25ms from London, GB
37.11.29.178 AS12479 Orange Espagne SA 1.40ms from Madrid, ES
64.18.211.2 AS14127 Iland Internet Solutions Corporation 0.65ms from Manchester, GB
175.39.26.130 AS4804 Microplex PTY LTD 3.42ms from Melbourne, AU
153.13.37.2 AS20478 General Mills, Inc. 2.60ms from Osasco, BR
154.40.128.18 AS174 Cogent Communications, LLC 8.03ms from Paris, FR
185.102.179.34 AS44407 Linkt SAS 1.34ms from Paris, FR
123.171.239.82 AS4134 CHINANET-BACKBONE 7.18ms from Qingdao, CN
27.215.118.210 AS4837 CHINA UNICOM China169 Backbone 7.54ms from Qingdao, CN
162.228.94.226 AS7018 AT&T Enterprises, LLC 19.05ms from San Jose, US
118.35.40.2 AS4766 Korea Telecom 6.68ms from Seoul, KR
222.102.151.210 AS4766 Korea Telecom 6.88ms from Seoul, KR
221.144.53.2 AS4766 Korea Telecom 6.66ms from Seoul, KR
37.63.38.2 AS29580 A1 Bulgaria EAD 0.58ms from Sofia, BG

Traceroute

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

$
traceroute -a -n -q1 -m5 206.166.29.241
traceroute to 206.166.29.241 (206.166.29.241): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Salt Lake 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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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