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AS38
University of Illinois·
IP address details
AS38
University of Illinois·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS38
  • Org Name
    University of Illinois
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    24th January 1985
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    10
  • Ipv6 Prefixes
    2
  • Ipv4 Peers
    2
  • Ipv6 Peers
    2
  • Ipv4 Upstreams
    1
  • Ipv6 Upstreams
    1

Prefixes

There are 10 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States128.174.0.0/16
University of Illinois
--ARIN
United States130.126.0.0/16
University of Illinois
--ARIN
United States192.17.0.0/16
University of Illinois
--ARIN
United States72.36.100.0/22
University of Illinois
72.36.64.0/18ARIN
United States72.36.64.0/18
University of Illinois
--ARIN
United States72.36.80.0/23
University of Illinois
72.36.64.0/18ARIN
United States72.36.84.0/22
University of Illinois
72.36.64.0/18ARIN
United States72.36.88.0/24
University of Illinois
72.36.64.0/18ARIN
United States72.36.96.0/20
University of Illinois
72.36.64.0/18ARIN
United States72.36.96.0/24
University of Illinois
72.36.64.0/18ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 2 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS11537
Internet2
true
AS40387
University of Illinois
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 1 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS40387
University of Illinois
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS38 Combined Upstream Graph AS38 AS38 AS40387 AS40387 AS38->AS40387 AS23473 AS23473 AS40387->AS23473 AS1299 AS1299 AS40387->AS1299 AS2914 AS2914 AS23473->AS2914 AS3257 AS3257 AS1299->AS3257 AS3356 AS3356 AS1299->AS3356 AS7018 AS7018 AS1299->AS7018 AS2497 AS2497 AS1299->AS2497 AS701 AS701 AS1299->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209
AS38 Combined Upstream Graph AS38 AS38 AS40387 AS40387 AS38->AS40387 AS23473 AS23473 AS40387->AS23473 AS1299 AS1299 AS40387->AS1299 AS2914 AS2914 AS23473->AS2914 AS3257 AS3257 AS1299->AS3257 AS3356 AS3356 AS1299->AS3356 AS7018 AS7018 AS1299->AS7018 AS2497 AS2497 AS1299->AS2497 AS701 AS701 AS1299->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209

World Map

WHOIS Details


#
# 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: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UIUCS-ARIN

OrgTechHandle: HOSTM159-ARIN
OrgTechName: Hostmgr
OrgTechPhone: +1-217-244-1000
OrgTechEmail: [email protected]
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.
#

#
# 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: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UIUCS-ARIN

OrgTechHandle: HOSTM159-ARIN
OrgTechName: Hostmgr
OrgTechPhone: +1-217-244-1000
OrgTechEmail: [email protected]
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.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
IP.CC
Search
IP address details
AS38
University of Illinois·
IP address details
AS38
University of Illinois·

Summary

  • As Number
    AS38
  • Org Name
    University of Illinois
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    24th January 1985
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    10
  • Ipv6 Prefixes
    2
  • Ipv4 Peers
    2
  • Ipv6 Peers
    2
  • Ipv4 Upstreams
    1
  • Ipv6 Upstreams
    1

Prefixes

There are 10 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States128.174.0.0/16
University of Illinois
--ARIN
United States130.126.0.0/16
University of Illinois
--ARIN
United States192.17.0.0/16
University of Illinois
--ARIN
United States72.36.100.0/22
University of Illinois
72.36.64.0/18ARIN
United States72.36.64.0/18
University of Illinois
--ARIN
United States72.36.80.0/23
University of Illinois
72.36.64.0/18ARIN
United States72.36.84.0/22
University of Illinois
72.36.64.0/18ARIN
United States72.36.88.0/24
University of Illinois
72.36.64.0/18ARIN
United States72.36.96.0/20
University of Illinois
72.36.64.0/18ARIN
United States72.36.96.0/24
University of Illinois
72.36.64.0/18ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 2 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS11537
Internet2
true
AS40387
University of Illinois
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 1 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS40387
University of Illinois
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS38 Combined Upstream Graph AS38 AS38 AS40387 AS40387 AS38->AS40387 AS23473 AS23473 AS40387->AS23473 AS1299 AS1299 AS40387->AS1299 AS2914 AS2914 AS23473->AS2914 AS3257 AS3257 AS1299->AS3257 AS3356 AS3356 AS1299->AS3356 AS7018 AS7018 AS1299->AS7018 AS2497 AS2497 AS1299->AS2497 AS701 AS701 AS1299->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209
AS38 Combined Upstream Graph AS38 AS38 AS40387 AS40387 AS38->AS40387 AS23473 AS23473 AS40387->AS23473 AS1299 AS1299 AS40387->AS1299 AS2914 AS2914 AS23473->AS2914 AS3257 AS3257 AS1299->AS3257 AS3356 AS3356 AS1299->AS3356 AS7018 AS7018 AS1299->AS7018 AS2497 AS2497 AS1299->AS2497 AS701 AS701 AS1299->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209

World Map

WHOIS Details


#
# 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: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UIUCS-ARIN

OrgTechHandle: HOSTM159-ARIN
OrgTechName: Hostmgr
OrgTechPhone: +1-217-244-1000
OrgTechEmail: [email protected]
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.
#

#
# 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: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UIUCS-ARIN

OrgTechHandle: HOSTM159-ARIN
OrgTechName: Hostmgr
OrgTechPhone: +1-217-244-1000
OrgTechEmail: [email protected]
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.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
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    DoD Network Information Center
  • AS40
    Massachusetts Institute of Technology
  • AS41
    National Aeronautics and Space Administration
  • AS43
    Brookhaven National Laboratory
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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