72.217.87.0/24

AS22773 · Cox Communications Inc.

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Summary

Country	United States
Domain	cox.com
ASN	AS22773
Parent Range	72.217.64.0/18
Registry	ARIN
ID	NETBLK-PH-RES-72-217-64-0

WHOIS Details

NetHandle:      NET-72-217-64-0-1
OrgID:          C06853511
Parent:         NET-72-192-0-0-1
NetName:        NETBLK-PH-RES-72-217-64-0
NetRange:       72.217.64.0 - 72.217.127.255
NetType:        reassignment
RegDate:        2017-12-14
Updated:        2017-12-14
Source:         ARIN


OrgID:          C06853511
OrgName:        Cox Communications Inc.
CanAllocate:    
Street:         1400 Lake Hearn DR.
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30319
RegDate:        2017-12-14
Updated:        2017-12-14
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 72.217.87.0/24

Range	ASN	Company	Num of IPs
72.217.64.0/18	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	AS22773	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	AS63182	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS395883	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

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

IP Address	ASN	Details
72.217.87.1	AS22773 Cox Communications Inc.	`1.83ms` 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
37.138.8.152	AS9145 EWE TEL GmbH	`4.80ms` from Amsterdam, NL
209.239.46.136	AS399837 Altamaha Fiber	`12.44ms` from Atlanta, US
68.142.63.232	AS12282 Selectronics Corp.	`8.90ms` from Boston, US
136.115.176.88	AS396982 Google LLC	`0.15ms` from Council Bluffs, US
76.186.175.248	AS11427 Charter Communications Inc	`5.25ms` from Dallas, US
219.124.181.56	AS7522 STNet, Incorporated	`6.88ms` from Osaka, JP
72.216.186.216	AS22773 Cox Communications Inc.	`5.64ms` from Phoenix, US
51.20.251.168	AS16509 Amazon.com, Inc.	`0.14ms` from Stockholm, SE
193.219.31.152	AS20681 Saxo Bank A/S	`9.63ms` from Stockholm, SE
57.153.214.56	AS8075 Microsoft Corporation	`0.22ms` from Amsterdam, NL
172.3.21.24	AS7018 AT&T Enterprises, LLC	`5.11ms` from Atlanta, US
34.213.111.232	AS16509 Amazon.com, Inc.	`0.15ms` from Boardman, US
223.241.116.120	AS4134 CHINANET BACKBONE	`6.19ms` from Huainan, CN
118.42.74.216	AS4766 Korea Telecom	`3.41ms` from Incheon, KR
79.154.158.104	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.33ms` from Madrid, ES
2.98.141.104	AS13285 TalkTalk Communications Limited	`1.92ms` from Manchester, GB
158.160.67.120	AS200350 Yandex.Cloud LLC	`2.70ms` from Moscow, RU
98.247.150.200	AS7922 Comcast Cable Communications, LLC	`7.39ms` from Seattle, US
59.23.234.184	AS4766 Korea Telecom	`6.27ms` from Seoul, KR
220.129.83.248	AS3462 Data Communication Business Group	`1.52ms` from Taipei, TW
94.75.115.216	AS9141 P4 Sp. z o.o.	`1.06ms` from Warsaw, PL
80.218.74.88	AS6730 Sunrise GmbH	`5.39ms` from Zuerich, CH
135.222.0.8	AS8075 Microsoft Corporation	`0.43ms` from Ashburn, US
71.239.30.40	AS7922 Comcast Cable Communications, LLC	`5.31ms` from Chicago, US
39.171.58.232	AS56041 China Mobile communications corporation	`4.85ms` from Hangzhou, CN

Traceroute

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

traceroute -a -n -q1 72.217.87.35

traceroute to 72.217.87.35 (72.217.87.35): 64 hops max, 52 byte packets

1 [AS15169] 142.251.252.23 23.61 ms

2 [AS15169] 192.178.110.238 23.82 ms

3 *

4 [AS22773] 72.217.87.35 37.615 ms

Measurement taken from

IPinfo ProbeNet in Dallas, 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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