72.215.136.0/21

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-AT-CBS-72-215-136-0

WHOIS Details

NetHandle:      NET-72-215-136-0-1
OrgID:          C01597024
Parent:         NET-72-192-0-0-1
NetName:        NETBLK-AT-CBS-72-215-136-0
NetRange:       72.215.136.0 - 72.215.143.255
NetType:        reassignment
RegDate:        2007-03-19
Updated:        2007-03-19
Source:         ARIN


OrgID:          C01597024
OrgName:        Cox Communications
CanAllocate:    
Street:         1400 Lake Hearn Dr.
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30319
RegDate:        2007-03-19
Updated:        2011-03-19
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 72.215.136.0/21

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	AS63182	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 72.215.0.0/16

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	AS63182	Cox Communications Inc.	2,097,152
72.192.0.0/11	AS64019	Cox Communications Inc.	2,097,152
72.215.160.0/19	AS22773	Cox Communications	8,192
72.215.192.0/20	AS22773	Cox Communications	4,096
72.215.32.0/20	AS22773	Cox Communications	4,096
72.215.144.0/20	AS22773	Cox Communications Inc.	4,096
72.215.248.0/21	AS22773	Cox Communications	2,048
72.215.48.0/21	AS22773	Cox Communications	2,048
72.215.216.0/21	AS22773	Cox Communications	2,048
72.215.232.0/21	AS22773	Cox Communications	2,048
72.215.240.0/21	AS22773	Cox Communications	2,048
72.215.128.0/21	AS22773	Cox Communications Inc.	2,048
72.215.228.0/22	AS22773	Cox Communications	1,024
72.215.212.0/22	AS22773	Cox Communications	1,024
72.215.210.0/23	AS22773	Cox Communications	512
72.215.56.0/23	AS22773	Cox Communications Inc.	512
72.215.62.0/23	AS22773	Cox Communications Inc.	512
72.215.226.0/24	AS32830	Connecticut Computer Service, 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
72.215.139.234	thegreenbranch.org	1
72.215.137.207	floydconstructionofnwf.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

Read more

Pingable IPs

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

IP Address	ASN	Details
72.215.139.81	AS22773 Cox Communications Inc.	`15.04ms` from Atlanta, US
72.215.140.97	AS22773 Cox Communications Inc.	`15.10ms` from Atlanta, US
72.215.141.81	AS22773 Cox Communications Inc.	`15.06ms` from Atlanta, US
72.215.137.145	AS22773 Cox Communications Inc.	`15.04ms` from Atlanta, 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
4.16.67.37	AS3356 Level 3 Parent, LLC	`0.53ms` from Ashburn, US
108.20.174.37	AS701 Verizon Business	`1.44ms` from Boston, US
41.237.104.117	AS8452 TE-AS	`6.92ms` from Cairo, EG
162.157.181.149	AS852 TELUS Communications Inc.	`8.63ms` from Calgary, CA
144.91.241.53	AS53828 NETWORK INNOVATIONS, LLC	`0.51ms` from Chicago, US
94.79.191.85	AS3209 Vodafone GmbH	`3.98ms` from Frankfurt am Main, DE
92.134.113.5	AS3215 Orange S.A.	`16.72ms` from Frankfurt am Main, DE
86.219.162.197	AS3215 Orange S.A.	`10.96ms` from Frankfurt am Main, DE
78.70.133.213	AS3301 Telia Company AB	`0.77ms` from Goeteborg, SE
67.164.168.245	AS7922 Comcast Cable Communications, LLC	`6.78ms` from Greenwood Village, US
76.143.213.37	AS7922 Comcast Cable Communications, LLC	`7.98ms` from Houston, US
198.2.57.197	AS20001 Charter Communications Inc	`2.24ms` from Los Angeles, US
83.54.26.101	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.40ms` from Madrid, ES
168.151.25.5	AS397408 iperceptions inc.	`0.76ms` from Montreal, CA
4.8.5.197	AS3356 Level 3 Parent, LLC	`0.61ms` from New York City, US
191.121.220.197	AS26615 TIM S/A	`18.66ms` from Osasco, BR
217.108.81.133	AS3215 Orange S.A.	`3.37ms` from Paris, FR
216.87.134.37	AS30060 VeriSign Infrastructure & Operations	`1.12ms` from Philadelphia, US
24.190.76.149	AS6128 Cablevision Systems Corp.	`9.55ms` from Piscataway, US
96.64.107.197	AS7922 Comcast Cable Communications, LLC	`6.67ms` from Piscataway, US
217.11.226.5	AS21430 WIA spol. s.r.o.	`0.70ms` from Prague, CZ
121.161.235.37	AS4766 Korea Telecom	`1.06ms` from Seoul, KR
54.65.59.21	AS16509 Amazon.com, Inc.	`0.18ms` from Tokyo, JP
217.164.198.165	AS5384 Emirates Internet	`2.64ms` from Al Fujairah City, AE
54.243.37.245	AS14618 Amazon.com, Inc.	`0.58ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 -f3 72.215.140.135

traceroute to 72.215.140.135 (72.215.140.135): 64 hops max, 52 byte packets

3 [AS3257] 76.74.24.18 8.435 ms

4 [AS3257] 141.136.111.138 0.532 ms

5 [AS3257] 209.120.152.214 0.511 ms

6 [AS22773] 68.1.1.99 15.247 ms

7 [AS22773] 72.215.140.135 24.354 ms

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On December 28th 2025

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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