66.99.97.0/24

AS6325 · Illinois Century Network

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Summary

Country	United States
Domain	illinois.gov
ASN	AS6325
Parent Range	66.99.0.0/16
Registry	ARIN
ID	ICN7

WHOIS Details

NetHandle:      NET-66-99-0-0-1
OrgID:          ILTN
Parent:         NET-66-0-0-0-0
NetName:        ICN7
NetRange:       66.99.0.0 - 66.99.255.255
NetType:        allocation
RegDate:        2001-04-09
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:      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:      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:      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 66.99.97.0/24

Range	ASN	Company	Num of IPs
66.99.0.0/16	AS6325	Illinois Century Network	65,536

Nearby Ranges

BGP prefixes that overlap with 66.99.0.0/16

Range	ASN	Company	Num of IPs
66.99.0.0/16	AS6325	Illinois Century Network	65,536
66.99.240.0/23	AS46286	COOK COUNTY	512
66.99.5.0/24	AS19480	HAROLD WASHINGTON LIBRARY CENTER	256
66.99.209.0/24	AS6325	PALATINE CCSD 15	256
66.99.51.0/24	AS6325	MANNHEIM SD 83	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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
15.204.162.120	AS16276 OVH SAS	`1.31ms` from Ashburn, US
86.101.36.248	AS21334 One Hungary Ltd.	`4.54ms` from Budapest, HU
52.240.176.248	AS8075 Microsoft Corporation	`0.55ms` from Chicago, US
77.105.126.8	AS42621 LPOnet Osk Anl	`1.96ms` from Helsinki, FI
47.147.63.104	AS5650 Frontier Communications of America, Inc.	`4.02ms` from Los Angeles, US
183.132.69.232	AS4134 CHINANET-BACKBONE	`3.50ms` from Ningbo, CN
119.167.62.88	AS4837 CHINA UNICOM China169 Backbone	`2.89ms` from Qingdao, CN
117.196.77.136	AS9829 National Internet Backbone	`13.37ms` from Saint Thomas Mount, IN
198.189.94.40	AS2152 CENIC	`13.45ms` from San Jose, US
110.141.97.8	AS1221 Telstra Limited	`2.79ms` from Sydney, AU
203.145.201.152	AS7539 National Center for High-performance Computing	`2.79ms` from Taichung, TW
118.80.135.248	AS4837 CHINA UNICOM China169 Backbone	`3.96ms` from Taiyuan, CN
61.120.57.88	AS2516 KDDI CORPORATION	`3.24ms` from Tokyo, JP
137.103.1.120	AS11776 Breezeline	`15.28ms` from Ashburn, US
190.85.29.152	AS14080 Telmex Colombia S.A.	`0.90ms` from Bogota, CO
190.144.3.184	AS14080 Telmex Colombia S.A.	`1.26ms` from Bogota, CO
73.103.242.248	AS7922 Comcast Cable Communications, LLC	`12.28ms` from Chicago, US
119.84.60.88	AS134420 Chongqing Telecom	`1.52ms` from Chongqing, CN
107.9.145.120	AS10796 Charter Communications Inc	`9.92ms` from Cleveland, US
18.198.246.184	AS16509 Amazon.com, Inc.	`0.13ms` from Frankfurt am Main, DE
185.75.74.72	AS198570 Stadtnetz Bamberg Gesellschaft fuer Telekommunikation mbH	`3.77ms` from Frankfurt am Main, DE
20.90.182.24	AS8075 Microsoft Corporation	`0.27ms` from London, GB
96.41.76.8	AS20115 Charter Communications LLC	`3.53ms` from Los Angeles, US
144.49.229.184	AS396982 Google LLC	`0.07ms` from Melbourne, AU
71.13.214.88	AS20115 Charter Communications LLC	`19.56ms` from Minneapolis, US

Traceroute

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

traceroute -a -n -q1 -f4 -m16 66.99.97.47

traceroute to 66.99.97.47 (66.99.97.47): 16 hops max, 52 byte packets

4 [AS3356] 4.69.133.29 117.037 ms

5 *

6 [AS7018] 32.130.89.24 119.012 ms

7 *

8 *

9 [AS7018] 32.130.107.211 119.976 ms

10 [AS7018] 12.55.246.222 121.417 ms

11 [AS6325] 206.166.127.17 122.298 ms

12 *

13 [AS6325] 206.166.9.238 121.062 ms

14 *

15 *

16 *

Measurement taken from

IPinfo ProbeNet in Zuerich, CH

On February 16th 2026

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.

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