38.247.21.0/24

AS174 · Cogent Communications, LLC

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Summary

Country	United States
Domain	cogentco.com
ASN	AS174
Parent Range	38.0.0.0/8
Registry	RWHOIS
ID	NET4-26F7150018

WHOIS Details

No whois details available for this network

Overlapping Ranges

BGP prefixes that contain 38.247.21.0/24

Range	ASN	Company	Num of IPs
38.0.0.0/8	AS174	Cogent Communications, LLC	16,777,216
38.0.0.0/8	AS205384	Cogent Communications, LLC	16,777,216
38.0.0.0/8	AS7029	Cogent Communications, LLC	16,777,216

Nearby Ranges

BGP prefixes that overlap with 38.247.0.0/16

Range	ASN	Company	Num of IPs
38.0.0.0/8	AS205384	Cogent Communications, LLC	16,777,216
38.0.0.0/8	AS174	Cogent Communications, LLC	16,777,216
38.0.0.0/8	AS7029	Cogent Communications, LLC	16,777,216
38.247.48.0/20	AS20335	United Data Technologies, Inc.	4,096
38.247.8.0/21	AS8796	Guangdong BullCloud Network Technology Co., Ltd.	2,048
38.247.8.0/21	AS174	Guangdong BullCloud Network Technology Co., Ltd.	2,048
38.247.4.0/22	AS274022	Sucrenet	1,024
38.247.88.0/22	AS273866	Telecable Sanchez SRL	1,024
38.247.72.0/22	AS174	DEEPSAFE SOFTWARE COMPANY LIMITED	1,024
38.247.40.0/22	AS174	Cogent Communications - IPENG	1,024
38.247.116.0/22	AS55068		1,024
38.247.82.0/23	AS174	Node Orbit	512
38.247.18.0/23	AS400704	NewConnect, LLC	512
38.247.2.0/24	AS212406		256
38.247.123.0/24	AS26225	Think On Inc.	256
38.247.92.0/24	AS274068	WNM CONEXION Y SEGURIDAD DE DATOS, S.R.L.	256
38.247.44.0/24	AS395201	Allnodes Inc.	256
38.247.45.0/24	AS395201	Allnodes Inc.	256
38.247.95.0/24	AS396123	ACN Communication Services, LLC	256
38.247.65.0/24	AS40055	THE DOUGLAS STEWART COMPANY	256
38.247.125.0/24	AS401397	Mercury Radio Arts, Inc.	256
38.247.85.0/24	AS174	Accessium Group Inc	256
38.247.127.0/24	AS13767	Etelligenthost.com LLC	256
38.247.81.0/24	AS138456	Oceanblue Network Technology Limited	256
38.247.23.0/24	AS14310	Safra National Bank of New York	256
38.247.87.0/24	AS17145	The Energy Authority, Inc	256
38.247.0.0/24	AS174	IP Boutique, Inc	256
38.247.126.0/24	AS174	Cogent Communications - IPENG	256
38.247.20.0/24	AS174	TechDuck Inc. (Mogotech)	256
38.247.28.0/24	AS174	E-NET CORP	256
38.247.31.0/24	AS174	Cogent Communications - IPENG	256
38.247.66.0/24	AS174	Cogent Communications - IPENG	256
38.247.67.0/24	AS131274	Cypress Telecom Limited / CypressTel	256

Hosted domains

There are no domains currently hosted on this ASN.

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
101.23.237.184	AS4837 CHINA UNICOM China169 Backbone	`8.65ms` from Beijing, CN
54.188.142.216	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
98.220.46.136	AS7922 Comcast Cable Communications, LLC	`7.44ms` from Chicago, US
93.210.13.24	AS3320 Deutsche Telekom AG	`9.33ms` from Frankfurt am Main, DE
99.56.49.56	AS7018 AT&T Enterprises, LLC	`5.85ms` from Miami, US
60.77.108.120	AS17676 SoftBank Corp.	`4.38ms` from Tokyo, JP
138.2.0.120	AS31898 Oracle Corporation	`0.34ms` from Tokyo, JP
118.15.9.168	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.39ms` from Tokyo, JP
83.111.209.72	AS5384 Emirates Internet	`1.10ms` from Al Fujairah City, AE
183.173.229.120	AS4538 China Education and Research Network Center	`7.25ms` from Beijing, CN
45.36.89.200	AS11426 Charter Communications Inc	`8.80ms` from Charlotte, US
18.119.32.136	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
112.17.252.184	AS56041 China Mobile communications corporation	`4.66ms` from Hangzhou, CN
86.130.104.120	AS2856 British Telecommunications PLC	`6.53ms` from London, GB
97.170.62.56	AS6167 Verizon Business	`12.62ms` from Los Angeles, US
72.111.128.184	AS6167 Verizon Business	`14.61ms` from Los Angeles, US
185.179.82.104	AS12406 Business Network Ltd	`1.06ms` from Minsk, BY
27.221.229.88	AS4837 CHINA UNICOM China169 Backbone	`8.60ms` from Qingdao, CN
98.81.5.136	AS14618 Amazon.com, Inc.	`0.57ms` from Reston, US
172.185.240.248	AS8075 Microsoft Corporation	`0.65ms` from San Jose, US
71.212.121.56	AS209 CenturyLink Communications, LLC	`2.01ms` from Seattle, US
218.145.160.232	AS4766 Korea Telecom	`0.79ms` from Seoul, KR
13.113.225.24	AS16509 Amazon.com, Inc.	`0.17ms` from Tokyo, JP
195.76.74.200	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.47ms` from Zaragoza, ES
24.49.49.8	AS14291 Antietam Broadband	`2.71ms` 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 -m6 38.247.21.204

traceroute to 38.247.21.204 (38.247.21.204): 6 hops max, 52 byte packets

3 [AS174] 199.100.4.170 12.543 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Osasco, BR

On January 19th 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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