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:      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:      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

Pingable IPs

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

IP Address ASN Details
206.166.11.125 AS6325 Illinois Century Network 10.42ms from Chicago, US
206.166.61.22 AS6325 Illinois Century Network 4.84ms from Chicago, US
206.166.2.225 AS6325 Illinois Century Network 1.28ms from Chicago, US
206.166.8.48 AS6325 Illinois Century Network 0.59ms from Chicago, US
206.166.18.37 AS6325 Illinois Century Network 2.33ms from St. Louis, US
206.166.14.14 AS6325 Illinois Century Network 10.40ms from Chicago, US
206.166.58.129 AS6325 Illinois Century Network 5.35ms from Chicago, US
206.166.35.22 AS6325 Illinois Century Network 0.87ms from Chicago, US
206.166.37.1 AS6325 Illinois Century Network 3.39ms from Chicago, US
206.166.15.241 AS6325 Illinois Century Network 10.83ms from Chicago, US
206.166.5.106 AS6325 Illinois Century Network 1.15ms from Chicago, US
206.166.49.1 AS6325 Illinois Century Network 4.52ms from Chicago, US
206.166.53.45 AS6325 Illinois Century Network 7.10ms from Chicago, US
206.166.7.65 AS6325 Illinois Century Network 2.76ms from Chicago, US
206.166.1.109 AS6325 Illinois Century Network 0.66ms from Chicago, US
206.166.9.38 AS6325 Illinois Century Network 0.57ms from Chicago, US
206.166.26.1 AS6325 Illinois Century Network 7.20ms from Chicago, US
206.166.4.22 AS6325 Illinois Century Network 1.22ms from Chicago, US
206.166.10.225 AS6325 Illinois Century Network 1.37ms from Chicago, US
206.166.56.85 AS6325 Illinois Century Network 5.42ms from Chicago, US
206.166.41.1 AS6325 Illinois Century Network 2.74ms from Chicago, US
206.166.57.69 AS6325 Illinois Century Network 5.44ms from Chicago, US
206.166.0.170 AS6325 Illinois Century Network 0.61ms from Chicago, US
206.166.45.74 AS6325 Illinois Century Network 1.09ms from Chicago, US
206.166.17.15 AS6325 Illinois Century Network 0.65ms 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
89.188.9.194 AS31477 Duocast B.V. 3.00ms from Amsterdam, NL
173.53.92.162 AS701 Verizon Business 4.78ms from Ashburn, US
112.44.248.226 AS9808 China Mobile Communications Group Co., Ltd. 5.45ms from Chengdu, CN
185.59.15.66 AS44700 Haendle & Korte GmbH 0.76ms from Duesseldorf, DE
115.75.236.34 AS7552 Viettel Group 1.26ms from Ho Chi Minh City, VN
108.67.20.130 AS7018 AT&T Enterprises, LLC 3.28ms from Houston, US
86.151.113.50 AS2856 British Telecommunications PLC 7.15ms from London, GB
66.185.19.210 AS21554 Wisconsin CyberLynk Network, Inc. 0.21ms from Milwaukee, US
126.57.80.242 AS17676 SoftBank Corp. 9.57ms from Osaka, JP
220.219.178.18 AS9997 Suzuka Cable Co.,Ltd 2.95ms from Osaka, JP
90.0.218.242 AS3215 Orange S.A. 1.86ms from Paris, FR
104.140.78.18 AS62904 Eonix Corporation 0.26ms from Seattle, US
115.138.45.162 AS17858 LG POWERCOMM 1.70ms from Seoul, KR
180.75.5.130 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 6.74ms from Singapore, SG
121.30.63.146 AS4837 CHINA UNICOM China169 Backbone 6.31ms from Taiyuan, CN
221.49.37.18 AS17676 SoftBank Corp. 3.21ms from Tokyo, JP
60.150.242.178 AS17676 SoftBank Corp. 2.81ms from Tokyo, JP
223.134.56.162 AS2527 Sony Network Communications Inc. 1.95ms from Tokyo, JP
194.171.113.2 AS1103 SURF B.V. 3.81ms from Amsterdam, NL
45.140.61.114 AS202656 Ivanov Vitaliy Sergeevich 0.51ms from Amsterdam, NL
73.99.2.146 AS7922 Comcast Cable Communications, LLC 15.72ms from Ashburn, US
62.74.111.18 AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA 1.99ms from Athens, GR
104.90.26.130 AS16625 Akamai Technologies, Inc. 0.12ms from Brussels, BE
143.202.138.2 AS263196 Infosport SA 1.08ms from Buenos Aires, AR
12.154.220.34 AS7018 AT&T Enterprises, LLC 1.76ms 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 -m7 206.166.36.115
traceroute to 206.166.36.115 (206.166.36.115): 7 hops max, 52 byte packets
1 [AS15169] 172.253.65.182 110.145 ms
2 [AS15169] 192.178.249.238 110.412 ms
3 *
4 [AS6325] 206.166.35.65 123.116 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Warsaw, PL
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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