AS38 University of Illinois

UIUC

IPv4 Addresses: 212,992

Number of Peers: 4

Number of Prefixes: 13

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois

AS38 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Not Disclosed

AS38 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

abuse@illinois.edu

dns-admin@illinois.edu

Abuse Contacts:

abuse@illinois.edu

Address:

1120 DCL,

MC-256,

1304 West Springfield Avenue,

Urbana,

IL,

61801,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
72.36.64.0/18	University of Illinois	72.36.64.0/18	ARIN
72.36.80.0/23	University of Illinois	72.36.64.0/18	ARIN
72.36.84.0/22	University of Illinois	72.36.64.0/18	ARIN
72.36.88.0/24	University of Illinois	72.36.64.0/18	ARIN
72.36.96.0/24	University of Illinois	69.49.64.0/19	ARIN
72.36.96.0/20	University of Illinois	72.36.64.0/18	ARIN
72.36.100.0/22	University of Illinois	72.36.64.0/18	ARIN
72.36.104.0/21	University of Illinois	72.36.64.0/18	ARIN
128.174.0.0/16	University of Illinois	128.174.0.0/16	ARIN
130.126.0.0/16	University of Illinois	130.126.0.0/16	ARIN
192.17.0.0/16	University of Illinois	192.17.0.0/16	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2620:0:e00::/48	University of Illinois		2620:0:df8::/45	ARIN
	2620:0:e01::/48	University of Illinois		2620:0:e00::/44	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS11537	INTERNET2-RESEARCH-EDU	Internet2
	AS40387	UI-ICCN	University of Illinois

Country	ASN	Name	Description	IPv4
	AS11537	INTERNET2-RESEARCH-EDU	Internet2
	AS40387	UI-ICCN	University of Illinois

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS40387	UI-ICCN	University of Illinois

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS40387	UI-ICCN	University of Illinois

IPv6 Upstream Graph

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       38
ASName:         UIUC
ASHandle:       AS38
RegDate:        1985-01-24
Updated:        2022-02-23    
Ref:            https://rdap.arin.net/registry/autnum/38


OrgName:        University of Illinois
OrgId:          UIUC-Z
Address:        1120 DCL, MC-256
Address:        1304 West Springfield Avenue
City:           Urbana
StateProv:      IL
PostalCode:     61801
Country:        US
RegDate:        2021-11-03
Updated:        2021-11-03
Ref:            https://rdap.arin.net/registry/entity/UIUC-Z


OrgAbuseHandle: UIUCS-ARIN
OrgAbuseName:   UIUC Security
OrgAbusePhone:  +1-217-265-0000 
OrgAbuseEmail:  abuse@illinois.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UIUCS-ARIN

OrgTechHandle: HOSTM159-ARIN
OrgTechName:   Hostmgr
OrgTechPhone:  +1-217-244-1000 
OrgTechEmail:  dns-admin@illinois.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM159-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

Country	IX	Name	IPv4	IPv6	Port Speed