72.203.200.0/21

AS22773  ·  Cox Communications Inc.

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Summary

Country United States
Domain cox.com
ASN AS22773
Parent Range 72.192.0.0/11
Registry ARIN
ID NETBLK-COX-ATLANTA-11

WHOIS Details

NetHandle:      NET-72-192-0-0-1
OrgID:          CXA
Parent:         NET-72-0-0-0-0
NetName:        NETBLK-COX-ATLANTA-11
NetRange:       72.192.0.0 - 72.223.255.255
NetType:        allocation
Comment:        For legal requests/assistance please use the following contact information:
Comment:        Cox Subpoena Phone: 404-269-0100
Comment:        Cox Subpoena Info: http://www.cox.com/policy/leainformation/default.asp
RegDate:        2005-08-03
Updated:        2012-03-02
TechHandle:     SHACK-ARIN
Source:         ARIN


OrgID:          CXA
OrgName:        Cox Communications Inc.
CanAllocate:    
Street:         1400 Lake Hearn Dr.
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30319
Comment:        For legal requests/assistance please use the
Comment:        following contact information:
Comment:        Cox Subpoena Info: https://www.cox.com/aboutus/policies/law-enforcement-and-subpoenas-information.html
RegDate:        1970-01-01
Updated:        2025-02-06
OrgAdminHandle: BERUB3-ARIN
OrgTechHandle:  BERUB3-ARIN
OrgTechHandle:  DMALL1-ARIN
OrgTechHandle:  GARCI1592-ARIN
OrgTechHandle:  MEROL3-ARIN
OrgTechHandle:  TECH1516-ARIN
OrgAbuseHandle: IC146-ARIN
OrgRoutingHandle:   GARCI1592-ARIN
Source:         ARIN


POCHandle:      MEROL3-ARIN
IsRole:         N
LastName:       Merola
FirstName:      Cari
Street:         6305-A Peachtree Dunwoody Rd
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30328
RegDate:        2017-05-10
Updated:        2025-07-10
OfficePhone:    +1-404-269-4416
Mailbox:        cari.merola@cox.com
Source:         ARIN


POCHandle:      IC146-ARIN
IsRole:         Y
LastName:       Cox Communications Inc
FirstName:      
Street:         1400 Lake Hearn Drive
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30319
RegDate:        2002-02-12
Updated:        2024-10-16
OfficePhone:    +1-866-272-5111
Mailbox:        abuse@cox.com
Source:         ARIN


POCHandle:      SHACK-ARIN
IsRole:         N
LastName:       Shackelford
FirstName:      Scott
Street:         1400 Lake Hearn Dr.
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30319
RegDate:        2002-09-12
Updated:        2009-09-27
OfficePhone:    +1-404-269-7626
Mailbox:        scott.shackelford@cox.com
Source:         ARIN


POCHandle:      BERUB3-ARIN
IsRole:         N
LastName:       Berube
FirstName:      Tori
Street:         6305-A Peachtree Dunwoody Road,
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30328
RegDate:        2014-03-18
Updated:        2025-05-29
OfficePhone:    +1-404-269-4416
Mailbox:        tori.berube@cox.com
Source:         ARIN


POCHandle:      GARCI1592-ARIN
IsRole:         N
LastName:       Garcia
FirstName:      Jacob
Street:         11505 W Dodge Rd
City:           Omaha
State/Prov:     NE
Country:        US
PostalCode:     68154
RegDate:        2021-12-01
Updated:        2025-03-31
OfficePhone:    +1-404-269-4416
Mailbox:        jacob.garcia@cox.com
Source:         ARIN


POCHandle:      DMALL1-ARIN
IsRole:         Y
LastName:       DMALLA
FirstName:      
Street:         6205-B Peachtree Dunwoody Road NE 
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30328
RegDate:        2025-02-06
Updated:        2025-02-06
OfficePhone:    +1-602-694-4429
Mailbox:        deependra.malla@cox.com
Source:         ARIN


POCHandle:      TECH1516-ARIN
IsRole:         Y
LastName:       Tech
FirstName:      
Street:         6205-B Peachtree Dunwoody Road NE
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30328
RegDate:        2025-02-06
Updated:        2025-02-06
OfficePhone:    +1-404-269-4416
Mailbox:        NOCEngineer@cox.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 72.203.200.0/21

Range ASN Company Num of IPs
72.192.0.0/11 AS22773 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS395883 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS396389 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS62957 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS64019 Cox Communications Inc. 2,097,152

Nearby Ranges

BGP prefixes that overlap with 72.203.0.0/16

Range ASN Company Num of IPs
72.192.0.0/11 AS22773 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS395883 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS396389 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS62957 Cox Communications Inc. 2,097,152
72.192.0.0/11 AS64019 Cox Communications Inc. 2,097,152
72.203.64.0/18 AS22773 Cox Communications Inc. 16,384
72.203.0.0/18 AS22773 Cox Communications Inc. 16,384
72.203.128.0/19 AS22773 Cox Communications 8,192
72.203.176.0/20 AS22773 Cox Communications Inc. 4,096
72.203.160.0/20 AS22773 Cox Communications 4,096
72.203.208.0/21 AS22773 Cox Communications Inc. 2,048
72.203.228.0/22 AS22773 Cox Communications Inc. 1,024
72.203.192.0/22 AS22773 Cox Communications Inc. 1,024
72.203.236.0/23 AS22773 Cox Communications 512
72.203.232.0/23 AS22773 Cox Communications Inc. 512
72.203.222.0/24 AS393991 ONE NEVADA CREDIT UNION 256
72.203.197.0/24 AS22773 Cox Communications Inc. 256

Hosted domains

There are 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
72.203.204.235 nationalrtcc.com 1
72.203.205.78 olafsolutions.com 1
72.203.204.237 ecoponline.com 1

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

Pingable IPs

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

IP Address ASN Details
72.203.203.201 AS22773 Cox Communications Inc. 11.86ms from Dallas, US
72.203.204.229 AS22773 Cox Communications Inc. 12.03ms from Dallas, US
72.203.202.153 AS22773 Cox Communications Inc. 12.04ms from Dallas, US
72.203.207.193 AS22773 Cox Communications Inc. 12.11ms from Dallas, US
72.203.206.1 AS22773 Cox Communications Inc. 12.11ms from Dallas, US
72.203.205.117 AS22773 Cox Communications Inc. 11.99ms from Dallas, US
72.203.200.221 AS22773 Cox Communications Inc. 12.00ms from Dallas, US
72.203.201.209 AS22773 Cox Communications Inc. 12.07ms from Dallas, 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
63.151.211.21 AS209 CenturyLink Communications, LLC 2.10ms from Atlanta, US
88.157.79.197 AS1897 NOS COMUNICACOES, S.A. 0.40ms from Braga, PT
190.175.18.133 AS22927 Telefonica de Argentina 1.61ms from Buenos Aires, AR
98.26.91.181 AS11426 Charter Communications Inc 16.43ms from Charlotte, US
183.220.102.21 AS9808 China Mobile Communications Group Co., Ltd. 2.18ms from Chengdu, CN
18.203.237.213 AS16509 Amazon.com, Inc. 0.50ms from Dublin, IE
186.69.236.5 AS14522 SERVICIOS DE TELECOMUNICACIONES SETEL S.A. (XTRIM EC) 1.46ms from Guayaquil, EC
146.158.63.229 AS61390 Garant-G Ltd. 8.47ms from Kazan, RU
39.61.60.101 AS17557 Pakistan Telecommunication Company Limited 2.97ms from Lahore, PK
47.151.193.85 AS5650 Frontier Communications of America, Inc. 8.77ms from Los Angeles, US
73.185.170.133 AS7922 Comcast Cable Communications, LLC 5.85ms from Minneapolis, US
202.137.189.133 AS17698 COMMUNITY NETWORK CENTER INCORPORATED. 5.21ms from Osaka, JP
90.55.119.197 AS3215 Orange S.A. 17.43ms from Paris, FR
199.101.76.5 AS54370 SKYWEST AIRLINES, INC. 6.25ms from Salt Lake City, US
219.228.125.69 AS4538 China Education and Research Network Center 1.72ms from Shanghai, CN
140.92.254.5 AS1659 Taiwan Academic Network (TANet) Information Center 2.04ms from Taipei, TW
70.39.170.37 AS3257 GTT Communications Inc. 0.51ms from Ashburn, US
97.200.146.53 AS6167 Verizon Business 8.30ms from Atlanta, US
40.177.62.197 AS16509 Amazon.com, Inc. 1.44ms from Calgary, CA
123.147.246.245 AS4837 CHINA UNICOM China169 Backbone 1.48ms from Chongqing, CN
45.171.12.133 AS268177 D & B TELECOMUNICAÇÕES LTDA 13.59ms from Fortaleza, BR
3.127.116.165 AS16509 Amazon.com, Inc. 0.14ms from Frankfurt am Main, DE
82.52.58.149 AS3269 Telecom Italia S.p.A. 3.56ms from Milan, IT
129.211.217.69 AS45090 Shenzhen Tencent Computer Systems Company Limited 0.92ms from Nanjing, CN
112.1.81.117 AS56046 China Mobile communications corporation 3.19ms from Nanjing, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f5 72.203.207.236
traceroute to 72.203.207.236 (72.203.207.236): 64 hops max, 52 byte packets
5 [AS22773] 68.1.2.139 12.472 ms
Measurement taken from IPinfo ProbeNet in Dallas, US
On

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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