72.217.16.0/21

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 72.217.16.0/21

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 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
72.217.18.222	gagogra.com	1
72.217.18.19	parroquiasjesusnazarenoysanjose.es	1

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

1,506 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
72.217.23.196	AS22773 Cox Communications Inc.	`7.37ms` from Phoenix, US
72.217.16.1	AS22773 Cox Communications Inc.	`3.88ms` from Phoenix, US
72.217.21.31	AS22773 Cox Communications Inc.	`7.52ms` from Phoenix, US
72.217.22.120	AS22773 Cox Communications Inc.	`7.42ms` from Phoenix, US
72.217.18.18	AS22773 Cox Communications Inc.	`7.65ms` from Phoenix, US
72.217.19.129	AS22773 Cox Communications Inc.	`7.84ms` from Phoenix, US
72.217.17.230	AS22773 Cox Communications Inc.	`7.50ms` from Phoenix, US
72.217.20.48	AS22773 Cox Communications Inc.	`7.29ms` 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
212.34.66.69	AS12316 Finanz Informatik Technologie Service GmbH & Co. KG	`17.70ms` from Amsterdam, NL
212.61.68.85	AS8426 ClaraNET LTD	`3.60ms` from Amsterdam, NL
61.49.131.5	AS4808 China Unicom Beijing Province Network	`3.13ms` from Beijing, CN
75.247.142.37	AS6167 Verizon Business	`16.84ms` from Chicago, US
77.12.167.165	AS6805 Telefonica Germany GmbH & Co.OHG	`2.60ms` from Frankfurt am Main, DE
122.157.99.133	AS4837 CHINA UNICOM China169 Backbone	`5.26ms` from Harbin, CN
69.250.90.37	AS7922 Comcast Cable Communications, LLC	`4.63ms` from Herndon, US
58.65.143.5	AS23674 Nayatel (Pvt) Ltd	`2.45ms` from Islamabad, PK
205.215.21.85	AS4609 Companhia de Telecomunicacoes de Macau SARL	`1.52ms` from Macau, MO
189.226.0.21	AS8151 UNINET	`1.45ms` from Mexico City, MX
82.134.240.5	AS30848 UNIDATA S.p.A.	`0.18ms` from Milan, IT
64.227.25.85	AS14061 DigitalOcean, LLC	`0.30ms` from New York City, US
72.80.244.85	AS701 Verizon Business	`2.42ms` from New York City, US
203.179.192.37	AS7679 QTnet,Inc.	`8.01ms` from Osaka, JP
8.34.191.133	AS3356 Level 3 Parent, LLC	`0.68ms` from Philadelphia, US
144.123.97.117	AS4134 CHINANET BACKBONE	`6.16ms` from Qingdao, CN
24.199.78.165	AS14061 DigitalOcean, LLC	`0.19ms` from Santa Clara, US
115.13.168.165	AS4766 Korea Telecom	`5.39ms` from Seoul, KR
47.107.208.229	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.73ms` from Shenzhen, CN
3.0.91.37	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
79.100.239.133	AS8866 Vivacom Bulgaria EAD	`0.68ms` from Sofia, BG
23.223.17.133	AS20940 Akamai International B.V.	`0.10ms` from Toronto, CA
24.57.24.101	AS7992 Cogeco Connexion Inc.	`12.57ms` from Toronto, CA
178.115.249.149	AS25255 ==> TELE2 AUSTRIA <==	`8.63ms` from Vienna, AT
178.112.197.69	AS25255 ==> TELE2 AUSTRIA <==	`10.60ms` from Vienna, AT

Traceroute

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

traceroute -a -n -q1 72.217.22.137

traceroute to 72.217.22.137 (72.217.22.137): 64 hops max, 52 byte packets

1 [AS15169] 142.251.252.23 9.99 ms

2 [AS15169] 192.178.107.120 10.029 ms

3 *

4 [AS22773] 72.217.22.137 23.876 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On April 24th 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.

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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