1. All IP Ranges
  2. 206.0.0.0/8
  3. 206.166.0.0/16
  4. AS6325  | 206.166.64.0/18

206.166.64.0/18

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:      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


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:      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

Overlapping Ranges

BGP prefixes that contain 206.166.64.0/18

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 are 14 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
206.166.67.103 white.k12.il.us 5
206.166.98.138 ikan.k12.il.us 2
206.166.98.212 sheldon.k12.il.us 1
206.166.96.66 lincon.net 1
206.166.105.41 illinoisreportcard.com 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

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

IP Address ASN Details
206.166.73.2 AS6325 Illinois Century Network 7.23ms from Chicago, US
206.166.72.201 AS6325 Illinois Century Network 9.49ms from Chicago, US
206.166.85.94 AS6325 Illinois Century Network 8.55ms from Chicago, US
206.166.104.142 AS6325 Illinois Century Network 4.91ms from Chicago, US
206.166.90.26 AS6325 Illinois Century Network 0.84ms from Chicago, US
206.166.74.122 AS6325 Illinois Century Network 7.32ms from Chicago, US
206.166.126.89 AS6325 Illinois Century Network 1.19ms from Chicago, US
206.166.97.82 AS6325 Illinois Century Network 4.98ms from Chicago, US
206.166.91.177 AS6325 Illinois Century Network 4.53ms from Chicago, US
206.166.119.10 AS6325 Illinois Century Network 1.31ms from Chicago, US
206.166.83.11 AS6325 Illinois Century Network 7.02ms from Chicago, US
206.166.100.100 AS6325 Illinois Century Network 4.96ms from Chicago, US
206.166.75.1 AS6325 Illinois Century Network 7.56ms from Chicago, US
206.166.127.14 AS6325 Illinois Century Network 5.08ms from Chicago, US
206.166.88.1 AS6325 Illinois Century Network 5.86ms from Chicago, US
206.166.70.81 AS6325 Illinois Century Network 9.54ms from Chicago, US
206.166.105.157 AS6325 Illinois Century Network 4.92ms from Chicago, US
206.166.77.241 AS6325 Illinois Century Network 7.16ms from Chicago, US
206.166.125.1 AS6325 Illinois Century Network 4.84ms 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
145.103.99.2 AS1103 SURF B.V. 1.94ms from Amsterdam, NL
24.252.131.82 AS22773 Cox Communications Inc. 7.76ms from Ashburn, US
66.187.1.130 AS36321 Castle Global Inc. 0.31ms from Ashburn, US
39.103.79.18 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 1.99ms from Beijing, CN
52.25.32.50 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
46.117.125.226 AS1680 Cellcom Fixed Line Communication L.P 2.74ms from Haifa, IL
82.137.163.2 AS60722 Saint Petersburg State University of Architecture and Civil Engineering 6.41ms from Helsinki, FI
94.244.49.242 AS48278 UKRDATAKOM LTD 0.48ms from Kyiv, UA
46.240.5.18 AS35819 Etihad Etisalat, a joint stock company 2.41ms from Manama, BH
34.158.7.50 AS396982 Google LLC 0.10ms from Melbourne, AU
149.97.194.34 AS15830 Equinix (EMEA) Acquisition Enterprises B.V. 0.24ms from Miami, US
86.213.86.114 AS3215 Orange S.A. 19.16ms from Paris, FR
71.27.39.82 AS7922 Comcast Cable Communications, LLC 7.14ms from Piscataway, US
57.150.235.2 AS8075 Microsoft Corporation 0.53ms from Quincy, US
211.241.137.50 AS38661 abcle 1.28ms from Seoul, KR
34.19.83.98 AS396982 Google LLC 0.15ms from The Dalles, US
63.66.7.98 AS701 Verizon Business 3.94ms from Ashburn, US
45.230.15.34 AS35699 Adamo Telecom Iberia S.A. 1.25ms from Barcelona, ES
187.4.157.146 AS8167 V tal 16.22ms from Brasilia, BR
18.119.90.162 AS16509 Amazon.com, Inc. 0.19ms from Columbus, US
81.225.46.2 AS3301 Telia Company AB 1.91ms from Copenhagen, DK
54.217.42.146 AS16509 Amazon.com, Inc. 0.31ms from Dublin, IE
46.165.181.162 AS42652 inexio Informationstechnologie und Telekommunikation Gmbh 2.81ms from Frankfurt am Main, DE
27.78.20.114 AS7552 Viettel Group 9.52ms from Ho Chi Minh City, VN
109.73.200.2 AS203883 Bank Avers JSC 12.58ms from Kazan, RU

Traceroute

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

$
traceroute -a -n -q1 -m8 206.166.93.110
traceroute to 206.166.93.110 (206.166.93.110): 8 hops max, 52 byte packets
1 [AS15169] 172.253.65.182 138.984 ms
2 [AS15169] 142.251.226.64 139.652 ms
3 [] 208.115.136.22 200.631 ms
4 *
5 [AS6325] 206.166.35.86 200.854 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Tel Aviv, IL
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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