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AS21787
CERIDIAN·
IP address details
AS21787
CERIDIAN·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS21787
  • Org Name
    CERIDIAN
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    20th June 2001
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    7
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 7 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States170.153.140.0/22
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.141.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.142.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
170.153.144.0/24
--
United States170.153.96.0/22
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.97.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.98.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
  • 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 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 3 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
United StatesAS13335
Cloudflare, Inc.
true
United StatesAS174
Cogent Communications
true
United StatesAS6461
Zayo Bandwidth
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 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
United StatesAS13335
Cloudflare, Inc.
true
United StatesAS174
Cogent Communications
true
United StatesAS6461
Zayo Bandwidth
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

AS21787 Combined Upstream Graph AS21787 AS21787 AS174 AS174 AS21787->AS174 AS6461 AS6461 AS21787->AS6461 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS2914 AS2914 AS174->AS2914 AS1239 AS1239 AS174->AS1239 AS7018 AS7018 AS174->AS7018 AS6461->AS174 AS6461->AS3356 AS6461->AS1299 AS6461->AS2497 AS6461->AS3257 AS6461->AS2914 AS6461->AS1239 AS6461->AS7018 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209
AS21787 Combined Upstream Graph AS21787 AS21787 AS174 AS174 AS21787->AS174 AS6461 AS6461 AS21787->AS6461 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS2914 AS2914 AS174->AS2914 AS1239 AS1239 AS174->AS1239 AS7018 AS7018 AS174->AS7018 AS6461->AS174 AS6461->AS3356 AS6461->AS1299 AS6461->AS2497 AS6461->AS3257 AS6461->AS2914 AS6461->AS1239 AS6461->AS7018 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: 21787
ASName: CERIDIAN
ASHandle: AS21787
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/autnum/21787


OrgName: CERIDIAN
OrgId: CERIDI-3
Address: 300 EMBASSY ROW
City: ATLANTA
StateProv: GA
PostalCode: 30328
Country: US
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/entity/CERIDI-3


OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN

OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-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: 21787
ASName: CERIDIAN
ASHandle: AS21787
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/autnum/21787


OrgName: CERIDIAN
OrgId: CERIDI-3
Address: 300 EMBASSY ROW
City: ATLANTA
StateProv: GA
PostalCode: 30328
Country: US
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/entity/CERIDI-3


OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN

OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-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
AS21787
CERIDIAN·
IP address details
AS21787
CERIDIAN·

Summary

  • As Number
    AS21787
  • Org Name
    CERIDIAN
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    20th June 2001
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    7
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 7 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States170.153.140.0/22
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.141.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.142.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
170.153.144.0/24
--
United States170.153.96.0/22
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.97.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
United States170.153.98.0/24
Ceridian Employer Services
170.153.0.0/16ARIN
  • 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 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 3 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
United StatesAS13335
Cloudflare, Inc.
true
United StatesAS174
Cogent Communications
true
United StatesAS6461
Zayo Bandwidth
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 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
United StatesAS13335
Cloudflare, Inc.
true
United StatesAS174
Cogent Communications
true
United StatesAS6461
Zayo Bandwidth
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

AS21787 Combined Upstream Graph AS21787 AS21787 AS174 AS174 AS21787->AS174 AS6461 AS6461 AS21787->AS6461 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS2914 AS2914 AS174->AS2914 AS1239 AS1239 AS174->AS1239 AS7018 AS7018 AS174->AS7018 AS6461->AS174 AS6461->AS3356 AS6461->AS1299 AS6461->AS2497 AS6461->AS3257 AS6461->AS2914 AS6461->AS1239 AS6461->AS7018 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209
AS21787 Combined Upstream Graph AS21787 AS21787 AS174 AS174 AS21787->AS174 AS6461 AS6461 AS21787->AS6461 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS2497 AS2497 AS174->AS2497 AS3257 AS3257 AS174->AS3257 AS2914 AS2914 AS174->AS2914 AS1239 AS1239 AS174->AS1239 AS7018 AS7018 AS174->AS7018 AS6461->AS174 AS6461->AS3356 AS6461->AS1299 AS6461->AS2497 AS6461->AS3257 AS6461->AS2914 AS6461->AS1239 AS6461->AS7018 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: 21787
ASName: CERIDIAN
ASHandle: AS21787
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/autnum/21787


OrgName: CERIDIAN
OrgId: CERIDI-3
Address: 300 EMBASSY ROW
City: ATLANTA
StateProv: GA
PostalCode: 30328
Country: US
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/entity/CERIDI-3


OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN

OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-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: 21787
ASName: CERIDIAN
ASHandle: AS21787
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/autnum/21787


OrgName: CERIDIAN
OrgId: CERIDI-3
Address: 300 EMBASSY ROW
City: ATLANTA
StateProv: GA
PostalCode: 30328
Country: US
RegDate: 2001-06-20
Updated: 2012-10-17
Ref: https://rdap.arin.net/registry/entity/CERIDI-3


OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN

OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-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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  • AS21781
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    Plateau Telecommunications Incorporated
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  • AS21785
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  • AS21789
    Lowe's Companies, Inc.
  • AS21790
    The Church at Brook Hills
  • AS21791
    HUNTSVILLE MEMORIAL HOSPITAL
  • AS21792
    Flagler Hospital, Inc
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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