72.217.32.0/21

AS22773 · Cox Communications Inc.

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Summary

Country	United States
Domain	cox.com
ASN	AS22773
Parent Range	72.217.0.0/18
Registry	ARIN
ID	NETBLK-PH-RES-72-217-0-0

WHOIS Details

NetHandle:      NET-72-217-0-0-1
OrgID:          C07383159
Parent:         NET-72-192-0-0-1
NetName:        NETBLK-PH-RES-72-217-0-0
NetRange:       72.217.0.0 - 72.217.63.255
NetType:        reassignment
RegDate:        2019-07-10
Updated:        2019-07-10
Source:         ARIN


OrgID:          C07383159
OrgName:        Cox Communications Inc.
CanAllocate:    
Street:         1400 Lake Hearn DR.
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30319
RegDate:        2019-07-10
Updated:        2019-07-10
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 72.217.32.0/21

Range	ASN	Company	Num of IPs
72.217.0.0/18	AS22773	Cox Communications Inc.	16,384
72.192.0.0/11	AS395883	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS22773	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS62957	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS63182	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS64019	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS396389	Cox Communications Inc.	2,097,152

Nearby Ranges

BGP prefixes that overlap with 72.217.0.0/16

Range	ASN	Company	Num of IPs
72.192.0.0/11	AS64019	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS62957	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS63182	Cox Communications Inc.	2,097,152
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
72.217.128.0/17	AS22773	Cox Communications Inc.	32,768
72.217.0.0/18	AS22773	Cox Communications Inc.	16,384
72.217.64.0/18	AS22773	Cox Communications Inc.	16,384

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

1,482 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
72.217.39.216	AS22773 Cox Communications Inc.	`6.41ms` from Phoenix, US
72.217.36.45	AS22773 Cox Communications Inc.	`7.35ms` from Phoenix, US
72.217.32.1	AS22773 Cox Communications Inc.	`4.23ms` from Phoenix, US
72.217.37.72	AS22773 Cox Communications Inc.	`7.34ms` from Phoenix, US
72.217.33.123	AS22773 Cox Communications Inc.	`7.37ms` from Phoenix, US
72.217.34.58	AS22773 Cox Communications Inc.	`7.33ms` from Phoenix, US
72.217.35.197	AS22773 Cox Communications Inc.	`7.27ms` from Phoenix, US
72.217.38.101	AS22773 Cox Communications Inc.	`7.04ms` from Phoenix, 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
172.240.153.117	AS7979 Servers.com, Inc.	`0.17ms` from Ashburn, US
46.136.172.213	AS12430 VODAFONE ESPANA S.A.U.	`3.81ms` from Barcelona, ES
91.127.75.149	AS6855 Slovak Telekom, a.s.	`1.65ms` from Bratislava, SK
217.238.178.69	AS3320 Deutsche Telekom AG	`8.47ms` from Frankfurt am Main, DE
27.3.147.5	AS45543 SaiGon Tourist cable Televition Company	`19.93ms` from Hong Kong, HK
76.143.191.117	AS7922 Comcast Cable Communications, LLC	`7.44ms` from Houston, US
88.3.146.85	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.31ms` from Madrid, ES
186.200.233.53	AS10429 TELEFÔNICA BRASIL S.A	`1.06ms` from Osasco, BR
86.244.108.69	AS3215 Orange S.A.	`6.63ms` from Paris, FR
75.50.82.85	AS7018 AT&T Enterprises, LLC	`19.45ms` from San Jose, US
121.113.1.117	AS4713 NTT DOCOMO BUSINESS,Inc.	`10.84ms` from Tokyo, JP
210.20.167.245	AS9824 JCOM Co., Ltd.	`13.44ms` from Tokyo, JP
27.32.223.5	AS7545 TPG Telecom Limited	`11.04ms` from Adelaide, AU
108.249.83.37	AS7018 AT&T Enterprises, LLC	`9.53ms` from Atlanta, US
114.112.25.21	AS23724 IDC, China Telecommunications Corporation	`0.54ms` from Beijing, CN
146.86.154.21	AS398203 MidSouth Fiber	`8.44ms` from Dallas, US
181.224.128.149	AS55293 A2 Hosting, Inc.	`0.13ms` from Detroit, US
218.15.167.197	AS4134 CHINANET-BACKBONE	`7.66ms` from Guangzhou, CN
119.17.219.197	AS24173 Netnam Company	`0.98ms` from Hanoi, VN
47.121.195.149	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.45ms` from Heyuan, CN
107.85.181.69	AS20057 AT&T Enterprises, LLC	`3.54ms` from Manassas, US
34.120.75.213	AS396982 Google LLC	`0.07ms` from Melbourne, AU
76.64.142.5	AS577 Bell Canada	`4.57ms` from Montreal, CA
60.106.36.85	AS17676 SoftBank Corp.	`10.09ms` from Osaka, JP
39.88.1.229	AS4837 CHINA UNICOM China169 Backbone	`3.50ms` from Qingdao, CN

Traceroute

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

traceroute -a -n -q1 72.217.38.239

traceroute to 72.217.38.239 (72.217.38.239): 64 hops max, 52 byte packets

1 [AS15169] 142.251.252.23 9.726 ms

2 [AS15169] 192.178.107.120 9.664 ms

3 *

4 [AS22773] 72.217.38.239 24.24 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On January 30th 2026

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.

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