209.175.128.0/18

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 24 domain names hosted across 21 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
209.175.167.157	illinoisheartland.org	4
209.175.155.3	wside.k12.il.us	1
209.175.164.131	kinn131schools.org	1
209.175.172.6	woodland.k12.il.us	1
209.175.182.60	ileastrainingcenter.org	1
209.175.164.227	edtechreview.com	1
209.175.167.149	illshareit.com	1
209.175.181.220	sullivantech.net	1
209.175.164.70	roe20.k12.il.us	1
209.175.178.157	monticello.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

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Pingable IPs

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

IP Address	ASN	Details
209.175.144.77	AS6325 Illinois Century Network	`4.55ms` from Chicago, US
209.175.158.206	AS6325 Illinois Century Network	`7.08ms` from Chicago, US
209.175.180.14	AS6325 Illinois Century Network	`6.46ms` from Chicago, US
209.175.176.2	AS6325 Illinois Century Network	`6.35ms` from Chicago, US
209.175.131.25	AS6325 Illinois Century Network	`10.96ms` from Chicago, US
209.175.185.130	AS6325 Illinois Century Network	`5.02ms` from Chicago, US
209.175.175.1	AS23434 State Universities Retirement System	`8.58ms` from St. Louis, US
209.175.161.5	AS6325 Illinois Century Network	`7.00ms` from Chicago, US
209.175.132.230	AS6325 Illinois Century Network	`4.57ms` from Chicago, US
209.175.181.93	AS6325 Illinois Century Network	`6.42ms` from Chicago, US
209.175.177.97	AS6325 Illinois Century Network	`6.33ms` from Chicago, US
209.175.167.161	AS6325 Illinois Century Network	`6.44ms` 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
188.2.47.18	AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o.	`7.49ms` from Belgrade, RS
96.10.162.162	AS11426 Charter Communications Inc	`1.48ms` from Charlotte, US
72.135.50.18	AS10796 Charter Communications Inc	`7.49ms` from Chicago, US
12.251.209.98	AS7018 AT&T Enterprises, LLC	`6.32ms` from Columbus, US
99.80.244.2	AS16509 Amazon.com, Inc.	`0.22ms` from Dublin, IE
185.220.222.18	AS44477 PQ HOSTING PLUS S.R.L.	`0.32ms` from Frankfurt am Main, DE
93.204.153.130	AS3320 Deutsche Telekom AG	`4.47ms` from Hamburg, DE
39.63.193.130	AS17557 Pakistan Telecommunication Company Limited	`5.91ms` from Lahore, PK
221.208.91.210	AS4837 CHINA UNICOM China169 Backbone	`19.70ms` from Liaoyang, CN
8.243.104.130	AS3356 Level 3 Parent, LLC	`0.21ms` from Lima, PE
86.169.53.2	AS2856 British Telecommunications PLC	`4.18ms` from London, GB
47.156.144.98	AS5650 Frontier Communications of America, Inc.	`1.73ms` from Los Angeles, US
34.8.0.98	AS396982 Google LLC	`0.07ms` from Melbourne, AU
207.162.114.2	AS376 Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)	`0.81ms` from Montreal, CA
73.190.160.162	AS7922 Comcast Cable Communications, LLC	`13.74ms` from Murfreesboro, US
92.170.135.178	AS3215 Orange S.A.	`2.83ms` from Paris, FR
38.32.188.242	AS174 Cogent Communications	`0.25ms` from Richardson, US
208.99.198.50	AS18530 Isomedia, Inc.	`1.05ms` from Seattle, US
192.126.143.114	AS397731 EliteWork LLC	`1.08ms` from Seattle, US
90.144.90.66	AS1257 Tele2 Sverige AB	`1.15ms` from Stockholm, SE
57.180.124.194	AS16509 Amazon.com, Inc.	`0.20ms` from Tokyo, JP
161.35.94.130	AS14061 DigitalOcean, LLC	`0.20ms` from Amsterdam, NL
69.138.226.2	AS7922 Comcast Cable Communications, LLC	`11.77ms` from Ashburn, US
170.117.216.2	AS394542 MS Fiber, LLC	`9.12ms` from Atlanta, US
173.46.65.66	AS6461 Zayo Bandwidth	`0.31ms` from Atlanta, US

Traceroute

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

traceroute -a -n -q1 -m8 209.175.148.50

traceroute to 209.175.148.50 (209.175.148.50): 8 hops max, 52 byte packets

1 [AS15169] 172.253.65.182 15.094 ms

2 [AS15169] 192.178.249.238 14.209 ms

3 [AS7029] 208.115.136.22 15.061 ms

4 [AS6325] 206.166.35.65 19.731 ms

5 [AS6325] 206.166.9.74 19.502 ms

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Measurement taken from

IPinfo ProbeNet in Ashburn, US

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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