1. All IP Ranges
  2. 206.0.0.0/8
  3. 206.166.0.0/16
  4. AS6325  | 206.166.18.0/24

206.166.18.0/24

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:      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:      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:      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 206.166.18.0/24

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 are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
206.166.18.36 AS6325 Illinois Century Network 4.79ms 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
154.246.66.88 AS36947 Telecom Algeria 13.54ms from Algiers, DZ
13.92.27.72 AS8075 Microsoft Corporation 0.42ms from Ashburn, US
52.186.98.88 AS8075 Microsoft Corporation 0.43ms from Ashburn, US
109.129.36.200 AS5432 Proximus NV 3.55ms from Brussels, BE
139.177.145.88 AS29802 HIVELOCITY, Inc. 0.16ms from Dallas, US
109.77.145.168 AS15502 Vodafone Ireland Limited 7.45ms from Dublin, IE
188.148.172.136 AS1257 Tele2 Sverige AB 1.04ms from Goeteborg, SE
176.71.66.136 AS1257 Tele2 Sverige AB 0.47ms from Goeteborg, SE
103.188.180.8 AS134368 Ark Group International (Hong Kong) Limited 1.07ms from Hong Kong, HK
108.180.173.8 AS852 TELUS Communications Inc. 5.11ms from Kelowna, CA
5.83.134.232 AS215136 Finn Hess trading as Ryzehosting 0.09ms from Kerkrade, NL
194.101.82.72 AS25180 Exponential-E Ltd. 3.49ms from London, GB
217.41.67.104 AS2856 British Telecommunications PLC 2.78ms from London, GB
189.191.73.216 AS8151 UNINET 1.06ms from Mexico City, MX
15.161.119.104 AS16509 Amazon.com, Inc. 0.13ms from Milan, IT
189.153.192.120 AS8151 UNINET 2.08ms from Monterrey, MX
128.53.168.40 AS2514 NTT PC Communications, Inc. 2.36ms from Osaka, JP
177.189.142.216 AS27699 TELEFÔNICA BRASIL S.A 3.21ms from Osasco, BR
27.197.252.168 AS4837 CHINA UNICOM China169 Backbone 8.08ms from Qingdao, CN
187.75.60.152 AS27699 TELEFÔNICA BRASIL S.A 2.13ms from Sao Paulo, BR
20.21.37.56 AS8075 Microsoft Corporation 0.22ms from Az Za`ayin, QA
184.54.130.136 AS10796 Charter Communications Inc 8.31ms from Columbus, US
213.113.107.136 AS8434 Telenor Sverige AB 2.84ms from Copenhagen, DK
84.159.53.168 AS3320 Deutsche Telekom AG 3.41ms from Frankfurt am Main, DE
114.207.45.8 AS9318 SK Broadband Co Ltd 1.32ms from Incheon, KR

Traceroute

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

$
traceroute -a -n -q1 206.166.18.1
traceroute to 206.166.18.1 (206.166.18.1): 64 hops max, 52 byte packets
3 [] 208.115.136.22 26.016 ms
4 [AS6325] 206.166.35.65 30.303 ms
5 [AS6325] 206.166.18.1 29.815 ms
Measurement taken from IPinfo ProbeNet in Moncks Corner, 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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