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IP address details
AS9
Carnegie Mellon University·
IP address details
AS9
Carnegie Mellon University·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS9
  • Org Name
    Carnegie Mellon University
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    17th April 1984
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    8
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    6
  • Ipv6 Peers
    2
  • Ipv4 Upstreams
    4
  • Ipv6 Upstreams
    2

Prefixes

There are 8 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States128.2.0.0/16
Carnegie Mellon University
--ARIN
United States128.237.0.0/16
Carnegie Mellon University
--ARIN
United States192.12.32.0/24
Carnegie Mellon University
--ARIN
United States192.5.146.0/24
Carnegie Mellon University
--ARIN
United States192.58.107.0/24
Carnegie Mellon University
--ARIN
United States192.80.210.0/24
Carnegie Mellon University
--ARIN
United States204.194.28.0/22
Carnegie Mellon University
--ARIN
United States209.129.244.0/23
California State University, Office of the Chancellor
209.129.0.0/16ARIN
  • 1
IP Ranges API
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IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
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Peers

There are 6 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS2153
CENIC
false
AS3356
false
AS399855
Keystone REN, LLC
true
AS46887
false
AS5050
Pittsburgh Supercomputing Center
true
AS6461
false
  • 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 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

Upstream

There are 4 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS3356
false
AS399855
Keystone REN, LLC
true
AS46887
false
AS6461
false
  • 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 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

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 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

Graphs

AS9 Combined Upstream Graph AS9 AS9 AS174 AS174 AS9->AS174 AS2828 AS2828 AS9->AS2828 AS3356 AS3356 AS9->AS3356 AS133981 AS133981 AS9->AS133981 AS174->AS3356 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS1299 AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS7018 AS7018 AS174->AS7018 AS701 AS701 AS174->AS701 AS2828->AS1299 AS2828->AS2914 AS2828->AS7018 AS3356->AS174 AS3356->AS2497 AS3356->AS3257 AS3356->AS1239 AS3356->AS1299 AS3356->AS2914 AS3356->AS7018 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS6461 AS6461 AS3356->AS6461 AS9498 AS9498 AS133981->AS9498 AS6762 AS6762 AS9498->AS6762 AS7473 AS7473 AS9498->AS7473 AS7473->AS6461
AS9 Combined Upstream Graph AS9 AS9 AS174 AS174 AS9->AS174 AS2828 AS2828 AS9->AS2828 AS3356 AS3356 AS9->AS3356 AS133981 AS133981 AS9->AS133981 AS174->AS3356 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS1299 AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS7018 AS7018 AS174->AS7018 AS701 AS701 AS174->AS701 AS2828->AS1299 AS2828->AS2914 AS2828->AS7018 AS3356->AS174 AS3356->AS2497 AS3356->AS3257 AS3356->AS1239 AS3356->AS1299 AS3356->AS2914 AS3356->AS7018 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS6461 AS6461 AS3356->AS6461 AS9498 AS9498 AS133981->AS9498 AS6762 AS6762 AS9498->AS6762 AS7473 AS7473 AS9498->AS7473 AS7473->AS6461

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: 9
ASName: CMU-ROUTER
ASHandle: AS9
RegDate: 1984-04-17
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/9


OrgName: Carnegie Mellon University
OrgId: CARNEG-Z
Address: Cyert Hall 215
Address: 5000 Forbes Avenue
City: Pittsburgh
StateProv: PA
PostalCode: 15213
Country: US
RegDate: 2009-12-01
Updated: 2020-03-27
Ref: https://rdap.arin.net/registry/entity/CARNEG-Z


OrgTechHandle: CH4-ORG-ARIN
OrgTechName: Carnegie Mellon Hostmaster
OrgTechPhone: +1-412-268-4357
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName: Carnegie Mellon Hostmaster
OrgNOCPhone: +1-412-268-4357
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgAbuseHandle: CMA3-ARIN
OrgAbuseName: Carnegie Mellon Abuse
OrgAbusePhone: +1-412-268-4357
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CMA3-ARIN

RTechHandle: CH4-ORG-ARIN
RTechName: Carnegie Mellon Hostmaster
RTechPhone: +1-412-268-4357
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-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: 9
ASName: CMU-ROUTER
ASHandle: AS9
RegDate: 1984-04-17
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/9


OrgName: Carnegie Mellon University
OrgId: CARNEG-Z
Address: Cyert Hall 215
Address: 5000 Forbes Avenue
City: Pittsburgh
StateProv: PA
PostalCode: 15213
Country: US
RegDate: 2009-12-01
Updated: 2020-03-27
Ref: https://rdap.arin.net/registry/entity/CARNEG-Z


OrgTechHandle: CH4-ORG-ARIN
OrgTechName: Carnegie Mellon Hostmaster
OrgTechPhone: +1-412-268-4357
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName: Carnegie Mellon Hostmaster
OrgNOCPhone: +1-412-268-4357
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgAbuseHandle: CMA3-ARIN
OrgAbuseName: Carnegie Mellon Abuse
OrgAbusePhone: +1-412-268-4357
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CMA3-ARIN

RTechHandle: CH4-ORG-ARIN
RTechName: Carnegie Mellon Hostmaster
RTechPhone: +1-412-268-4357
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-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
AS9
Carnegie Mellon University·
IP address details
AS9
Carnegie Mellon University·

Summary

  • As Number
    AS9
  • Org Name
    Carnegie Mellon University
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    17th April 1984
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    8
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    6
  • Ipv6 Peers
    2
  • Ipv4 Upstreams
    4
  • Ipv6 Upstreams
    2

Prefixes

There are 8 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States128.2.0.0/16
Carnegie Mellon University
--ARIN
United States128.237.0.0/16
Carnegie Mellon University
--ARIN
United States192.12.32.0/24
Carnegie Mellon University
--ARIN
United States192.5.146.0/24
Carnegie Mellon University
--ARIN
United States192.58.107.0/24
Carnegie Mellon University
--ARIN
United States192.80.210.0/24
Carnegie Mellon University
--ARIN
United States204.194.28.0/22
Carnegie Mellon University
--ARIN
United States209.129.244.0/23
California State University, Office of the Chancellor
209.129.0.0/16ARIN
  • 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 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

Peers

There are 6 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS2153
CENIC
false
AS3356
false
AS399855
Keystone REN, LLC
true
AS46887
false
AS5050
Pittsburgh Supercomputing Center
true
AS6461
false
  • 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 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

Upstream

There are 4 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS3356
false
AS399855
Keystone REN, LLC
true
AS46887
false
AS6461
false
  • 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 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

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 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

Graphs

AS9 Combined Upstream Graph AS9 AS9 AS174 AS174 AS9->AS174 AS2828 AS2828 AS9->AS2828 AS3356 AS3356 AS9->AS3356 AS133981 AS133981 AS9->AS133981 AS174->AS3356 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS1299 AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS7018 AS7018 AS174->AS7018 AS701 AS701 AS174->AS701 AS2828->AS1299 AS2828->AS2914 AS2828->AS7018 AS3356->AS174 AS3356->AS2497 AS3356->AS3257 AS3356->AS1239 AS3356->AS1299 AS3356->AS2914 AS3356->AS7018 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS6461 AS6461 AS3356->AS6461 AS9498 AS9498 AS133981->AS9498 AS6762 AS6762 AS9498->AS6762 AS7473 AS7473 AS9498->AS7473 AS7473->AS6461
AS9 Combined Upstream Graph AS9 AS9 AS174 AS174 AS9->AS174 AS2828 AS2828 AS9->AS2828 AS3356 AS3356 AS9->AS3356 AS133981 AS133981 AS9->AS133981 AS174->AS3356 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS1299 AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS7018 AS7018 AS174->AS7018 AS701 AS701 AS174->AS701 AS2828->AS1299 AS2828->AS2914 AS2828->AS7018 AS3356->AS174 AS3356->AS2497 AS3356->AS3257 AS3356->AS1239 AS3356->AS1299 AS3356->AS2914 AS3356->AS7018 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS6461 AS6461 AS3356->AS6461 AS9498 AS9498 AS133981->AS9498 AS6762 AS6762 AS9498->AS6762 AS7473 AS7473 AS9498->AS7473 AS7473->AS6461

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: 9
ASName: CMU-ROUTER
ASHandle: AS9
RegDate: 1984-04-17
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/9


OrgName: Carnegie Mellon University
OrgId: CARNEG-Z
Address: Cyert Hall 215
Address: 5000 Forbes Avenue
City: Pittsburgh
StateProv: PA
PostalCode: 15213
Country: US
RegDate: 2009-12-01
Updated: 2020-03-27
Ref: https://rdap.arin.net/registry/entity/CARNEG-Z


OrgTechHandle: CH4-ORG-ARIN
OrgTechName: Carnegie Mellon Hostmaster
OrgTechPhone: +1-412-268-4357
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName: Carnegie Mellon Hostmaster
OrgNOCPhone: +1-412-268-4357
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgAbuseHandle: CMA3-ARIN
OrgAbuseName: Carnegie Mellon Abuse
OrgAbusePhone: +1-412-268-4357
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CMA3-ARIN

RTechHandle: CH4-ORG-ARIN
RTechName: Carnegie Mellon Hostmaster
RTechPhone: +1-412-268-4357
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-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: 9
ASName: CMU-ROUTER
ASHandle: AS9
RegDate: 1984-04-17
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/9


OrgName: Carnegie Mellon University
OrgId: CARNEG-Z
Address: Cyert Hall 215
Address: 5000 Forbes Avenue
City: Pittsburgh
StateProv: PA
PostalCode: 15213
Country: US
RegDate: 2009-12-01
Updated: 2020-03-27
Ref: https://rdap.arin.net/registry/entity/CARNEG-Z


OrgTechHandle: CH4-ORG-ARIN
OrgTechName: Carnegie Mellon Hostmaster
OrgTechPhone: +1-412-268-4357
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName: Carnegie Mellon Hostmaster
OrgNOCPhone: +1-412-268-4357
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgAbuseHandle: CMA3-ARIN
OrgAbuseName: Carnegie Mellon Abuse
OrgAbusePhone: +1-412-268-4357
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CMA3-ARIN

RTechHandle: CH4-ORG-ARIN
RTechName: Carnegie Mellon Hostmaster
RTechPhone: +1-412-268-4357
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-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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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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