209.175.0.0/17

AS6325 · Illinois Century Network

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Summary

Country	United States
Domain	illinois.net
ASN	AS6325
Registry	ARIN
ID	ICN4

WHOIS Details

NetHandle:      NET-209-174-0-0-1
OrgID:          ILTN
Parent:         NET-209-0-0-0-0
NetName:        ICN4
NetRange:       209.174.0.0 - 209.175.255.255
NetType:        allocation
RegDate:        1997-11-19
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:        2024-11-25
ReferralServer: rwhois://rwhois.illinois.net:4321
OrgAdminHandle: ZI83-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:      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

Hosted domains

There are 6 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
209.175.58.51	ntac.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

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

IP Address	ASN	Details
209.175.99.1	AS6325 Illinois Century Network	`2.22ms` from Chicago, US
209.175.92.65	AS6325 Illinois Century Network	`2.48ms` from Chicago, US
209.175.45.106	AS1416 Chicago Public Schools	`2.56ms` from Chicago, US
209.175.72.6	AS1702 CHICAGO STATE UNIVERSITY	`8.65ms` from Chicago, US
209.175.46.21	AS1416 Chicago Public Schools	`1.93ms` from Chicago, US
209.175.74.27	AS1702 CHICAGO STATE UNIVERSITY	`8.65ms` from Chicago, US
209.175.17.251	AS6325 Illinois Century Network	`1.99ms` from Chicago, US
209.175.55.1	AS6325 Illinois Century Network	`1.86ms` from Chicago, US
209.175.16.1	AS6325 Illinois Century Network	`3.73ms` from Chicago, US
209.175.69.1	AS6325 Illinois Century Network	`3.88ms` from Chicago, US
209.175.70.1	AS6325 Illinois Century Network	`3.80ms` from Chicago, US
209.175.47.96	AS1416 Chicago Public Schools	`1.96ms` from Chicago, US
209.175.75.228	AS1702 CHICAGO STATE UNIVERSITY	`8.64ms` from Chicago, US
209.175.73.24	AS1702 CHICAGO STATE UNIVERSITY	`8.65ms` from Chicago, US
209.175.26.193	AS6325 Illinois Century Network	`2.64ms` from Chicago, US
209.175.44.67	AS1416 Chicago Public Schools	`2.79ms` from Chicago, US
209.175.93.33	AS6325 Illinois Century Network	`6.28ms` 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
62.194.139.1	AS33915 Vodafone Libertel B.V.	`3.59ms` from Amsterdam, NL
137.71.177.1	AS20258 Analog Devices, Inc.	`0.20ms` from Ashburn, US
64.38.213.241	AS20454 SECURED SERVERS LLC	`0.38ms` from Ashburn, US
24.151.225.241	AS20115 Charter Communications LLC	`18.75ms` from Atlanta, US
27.145.193.1	AS17552 True Online	`2.55ms` from Bangkok, TH
73.17.180.1	AS7922 Comcast Cable Communications, LLC	`2.60ms` from Boston, US
20.7.171.113	AS8075 Microsoft Corporation	`0.38ms` from Boydton, US
52.247.16.241	AS8075 Microsoft Corporation	`0.19ms` from Boydton, US
147.175.68.1	AS2607 Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET	`0.38ms` from Bratislava, SK
89.35.160.17	AS31554 LANSOFT DATA SRL	`0.57ms` from Bucharest, RO
181.96.193.1	AS7303 Telecom Argentina S.A.	`1.74ms` from Buenos Aires, AR
174.108.208.241	AS11426 Charter Communications Inc	`0.53ms` from Charlotte, US
125.65.20.1	AS4134 CHINANET-BACKBONE	`6.23ms` from Chengdu, CN
66.78.191.1	AS18474 Aeneas Internet Services	`12.78ms` from Chicago, US
173.81.39.193	AS19108 Optimum	`18.37ms` from Chicago, US
173.189.243.81	AS7029 Windstream Communications LLC	`8.10ms` from Chicago, US
131.164.210.1	AS3292 TDC Holding A/S	`4.73ms` from Copenhagen, DK
38.56.206.1	AS46315 Blossom Telephone Company	`4.21ms` from Dallas, US
183.239.247.97	AS9808 China Mobile Communications Group Co., Ltd.	`12.13ms` from Guangzhou, CN
114.135.66.81	AS4134 CHINANET-BACKBONE	`2.32ms` from Guiyang, CN
112.14.44.1	AS56041 China Mobile communications corporation	`7.96ms` from Hangzhou, CN
105.233.232.1	AS36874 Cybersmart	`0.72ms` from Johannesburg, ZA
196.209.100.1	AS3741 Dimension Data	`1.25ms` from Johannesburg, ZA
217.177.161.1	AS11492 CABLE ONE, INC.	`19.42ms` from Kansas City, US
182.72.58.209	AS9498 BHARTI Airtel Ltd.	`1.43ms` from Lohogaon, IN

Traceroute

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

traceroute -a -n -q1 -m5 209.175.40.2

traceroute to 209.175.40.2 (209.175.40.2): 5 hops max, 52 byte packets

1 [AS15169] 172.253.65.182 114.769 ms

2 [AS15169] 192.178.249.226 115.118 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Hamina, FI

On August 22nd 2025

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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