72.36.96.0/20

AS38 · University of Illinois

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Summary

Country	United States
Domain	illinois.edu
ASN	AS38
Parent Range	72.36.64.0/18
Registry	ARIN
ID	UIUC-CAMPUS-D

WHOIS Details

NetHandle:      NET-72-36-64-0-1
OrgID:          UIUC
Parent:         NET-72-0-0-0-0
NetName:        UIUC-CAMPUS-D
NetRange:       72.36.64.0 - 72.36.127.255
NetType:        allocation
RegDate:        2006-06-21
Updated:        2021-12-14
Source:         ARIN


OrgID:          UIUC
OrgName:        University of Illinois
CanAllocate:    
Street:         1120 DCL, MC-256
Street:         1304 West Springfield Avenue
City:           Urbana
State/Prov:     IL
Country:        US
PostalCode:     61801
RegDate:        1970-01-01
Updated:        2014-12-02
OrgAdminHandle: HOSTM159-ARIN
OrgTechHandle:  HOSTM159-ARIN
OrgAbuseHandle: UIUCS-ARIN
Source:         ARIN


POCHandle:      HOSTM159-ARIN
IsRole:         Y
LastName:       Hostmgr
FirstName:      
Street:         1304 West Springfield Avenue
City:           Urbana
State/Prov:     IL
Country:        US
PostalCode:     61801
RegDate:        2003-01-17
Updated:        2025-04-21
OfficePhone:    +1-217-244-1000
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      UIUCS-ARIN
IsRole:         Y
LastName:       UIUC Security
FirstName:      
Street:         1304 West Springfield Avenue
Street:         2222 DCL, MC-256
City:           Urbana
State/Prov:     IL
Country:        US
PostalCode:     61801
RegDate:        2003-12-16
Updated:        2025-03-06
OfficePhone:    +1-217-265-0000
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 72.36.96.0/20

Range	ASN	Company	Num of IPs
72.36.64.0/18	AS38	University of Illinois	16,384
72.36.64.0/18	AS40387	University of Illinois	16,384

Nearby Ranges

BGP prefixes that overlap with 72.36.0.0/16

Range	ASN	Company	Num of IPs
72.36.0.0/18	AS30110	Advanced Communications Technology	16,384
72.36.64.0/18	AS38	University of Illinois	16,384
72.36.64.0/18	AS40387	University of Illinois	16,384
72.36.4.0/24	AS14487	Wind River Internet	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

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Pingable IPs

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

IP Address	ASN	Details
72.36.97.1	AS38 University of Illinois	`3.95ms` 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
77.173.195.164	AS1136 KPN B.V.	`2.21ms` from Amsterdam, NL
191.81.65.132	AS22927 Telefonica de Argentina	`1.93ms` from Buenos Aires, AR
46.223.27.68	AS3209 Vodafone GmbH	`9.22ms` from Frankfurt am Main, DE
108.81.22.68	AS7018 AT&T Enterprises, LLC	`17.09ms` from Los Angeles, US
217.73.208.196	AS8612 Tiscali Italia S.P.A.	`16.05ms` from Milan, IT
133.55.114.52	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`6.09ms` from Osaka, JP
125.56.122.196	AS7679 QTnet,Inc.	`10.22ms` from Osaka, JP
186.225.139.84	AS262761 Sinal Br Telecom Ltda	`0.34ms` from Sao Jose do Rio Preto, BR
54.180.67.148	AS16509 Amazon.com, Inc.	`0.32ms` from Seoul, KR
115.12.67.20	AS4766 Korea Telecom	`5.97ms` from Seoul, KR
222.222.48.212	AS4134 CHINANET-BACKBONE	`1.36ms` from Shijiazhuang, CN
8.214.43.4	AS45102 Alibaba (US) Technology Co., Ltd.	`1.04ms` from Singapore, SG
36.226.127.20	AS3462 Data Communication Business Group	`1.49ms` from Taipei, TW
116.64.86.68	AS9824 JCOM Co., Ltd.	`11.02ms` from Tokyo, JP
99.251.37.52	AS812 Rogers Communications Canada Inc.	`5.90ms` from Toronto, CA
71.136.149.68	AS7018 AT&T Enterprises, LLC	`10.08ms` from Atlanta, US
75.69.1.4	AS7922 Comcast Cable Communications, LLC	`13.59ms` from Boston, US
196.115.165.228	AS36925 MEDITELECOM	`3.32ms` from Casablanca, MA
104.186.208.36	AS7018 AT&T Enterprises, LLC	`4.72ms` from Chicago, US
42.115.131.196	AS18403 FPT Telecom Company	`1.30ms` from Hanoi, VN
204.239.149.132	AS398983 Interior Health	`1.06ms` from Kelowna, CA
65.128.178.228	AS209 CenturyLink Communications, LLC	`1.52ms` from Minneapolis, US
80.136.12.196	AS3320 Deutsche Telekom AG	`5.41ms` from Nuernberg, DE
180.43.103.148	AS4713 NTT DOCOMO BUSINESS,Inc.	`5.11ms` from Osaka, JP
24.185.62.228	AS6128 Cablevision Systems Corp.	`9.21ms` from Piscataway, 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 -m7 72.36.109.140

traceroute to 72.36.109.140 (72.36.109.140): 7 hops max, 52 byte packets

4 [AS6939] 184.104.196.251 18.609 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Tirana, AL

On December 6th 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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