38.72.129.0/24

AS174 · Cogent Communications, LLC

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Summary

Country	United States
Domain
ASN	AS174
Parent Range	38.0.0.0/8
Registry	RWHOIS
ID	NET4-2648810018

WHOIS Details

No whois details available for this network

Overlapping Ranges

BGP prefixes that contain 38.72.129.0/24

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

Nearby Ranges

BGP prefixes that overlap with 38.72.0.0/16

Range	ASN	Company	Num of IPs
38.0.0.0/8	AS174	Cogent Communications, LLC	16,777,216
38.0.0.0/8	AS7029	Cogent Communications, LLC	16,777,216
38.72.160.0/19	AS3257	GEUS	8,192
38.72.80.0/21	AS135600	Whiz Communications Pte Ltd	2,048
38.72.72.0/23	AS16468	AirFiber WISP LLC	512
38.72.148.0/23	AS174	Chengdu Yanling Technology Co., Ltd.	512
38.72.116.0/23	AS174	Travel Tripper LLC d/b/a Pegasus	512
38.72.138.0/23	AS151704	Cogent Communications - IPENG	512
38.72.126.0/24	AS174	Aurelius Solutions, LLC	256
38.72.130.0/24	AS174	NCSi Inc	256
38.72.131.0/24	AS174	Zenlayer Inc	256
38.72.106.0/24	AS174	RooR, Inc	256
38.72.143.0/24	AS174	Zenlayer Inc	256
38.72.152.0/24	AS174	Zenlayer Inc	256
38.72.157.0/24	AS174	Zenlayer Inc	256
38.72.195.0/24	AS174	Wavestreet	256
38.72.76.0/24	AS54620	Generic Networks Systems	256
38.72.132.0/24	AS63023	GLOBALTELEHOST CORP.	256
38.72.142.0/24	AS174	Zenlayer Inc	256
38.72.109.0/24	AS174	RooR, Inc	256
38.72.118.0/24	AS174	Civanonet LLC	256
38.72.121.0/24	AS174	New Horizons Technologies, LLC	256

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

IP Address	ASN	Details
38.72.129.134	AS174 Cogent Communications, LLC	`0.41ms` from Seattle, 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
82.163.45.248	AS59521 Stichting Kabeltelevisie Pijnacker	`6.41ms` from Amsterdam, NL
123.120.15.120	AS4808 China Unicom Beijing Province Network	`3.53ms` from Beijing, CN
93.87.207.136	AS8400 TELEKOM SRBIJA a.d.	`3.85ms` from Belgrade, RS
35.205.32.216	AS396982 Google LLC	`0.14ms` from Brussels, BE
76.112.28.232	AS7922 Comcast Cable Communications, LLC	`9.20ms` from Flint, US
5.146.84.8	AS3209 Vodafone GmbH	`11.27ms` from Frankfurt am Main, DE
217.87.110.184	AS3320 Deutsche Telekom AG	`8.91ms` from Frankfurt am Main, DE
81.154.229.184	AS2856 British Telecommunications PLC	`3.42ms` from London, GB
90.204.66.168	AS5607 Sky UK Limited	`6.45ms` from London, GB
31.189.218.40	AS24608 WIND TRE S.P.A.	`11.45ms` from Rome, IT
45.82.106.40	AS61149 Playtika LTD	`1.94ms` from San Jose, US
52.160.136.40	AS8075 Microsoft Corporation	`0.58ms` from San Jose, US
218.150.126.104	AS4766 Korea Telecom	`3.37ms` from Seoul, KR
37.157.116.8	AS3249 Telia Eesti AS	`6.53ms` from Tallinn, EE
153.159.162.104	AS4713 NTT DOCOMO BUSINESS,Inc.	`19.71ms` from Tokyo, JP
196.130.202.120	AS24835 Vodafone Data	`7.73ms` from Cairo, EG
3.143.244.88	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
130.211.194.8	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
35.222.55.216	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
84.129.21.184	AS3320 Deutsche Telekom AG	`6.30ms` from Frankfurt am Main, DE
91.248.219.200	AS9145 EWE TEL GmbH	`6.39ms` from Hamburg, DE
14.163.243.248	AS45899 VNPT Corp	`5.75ms` from Hanoi, VN
63.250.184.136	AS3300 British Telecommunications PLC	`0.19ms` from Miami, US
45.186.161.216	AS269500 LAGARES TECNOLOGIA E COMUNICAÇÃO LTDA	`12.06ms` from Osasco, BR
24.188.124.152	AS6128 Cablevision Systems Corp.	`2.60ms` from Piscataway, 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 38.72.129.134

traceroute to 38.72.129.134 (38.72.129.134): 64 hops max, 52 byte packets

3 [AS174] 154.24.18.9 0.98 ms

4 [AS174] 38.72.129.134 0.536 ms

Measurement taken from

IPinfo ProbeNet in Seattle, 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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