38.0.0.0/8

AS174 · Cogent Communications, LLC

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Summary

Country	United States
Domain	cogentco.com
ASN	AS174
Registry	ARIN
ID	COGENT-A

WHOIS Details

NetHandle:      NET-38-0-0-0-1
OrgID:          COGC
Parent:         
NetName:        COGENT-A
NetRange:       38.0.0.0 - 38.255.255.255
NetType:        allocation
RegDate:        1991-04-16
Updated:        2025-09-23
Source:         ARIN


OrgID:          COGC
OrgName:        Cogent Communications, LLC
CanAllocate:    
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
RegDate:        2000-05-30
Updated:        2025-09-23
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgAdminHandle: IPALL-ARIN
OrgTechHandle:  IPALL-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgNOCHandle:   ZC108-ARIN
Source:         ARIN


POCHandle:      COGEN-ARIN
IsRole:         Y
LastName:       Cogent Abuse
FirstName:      
Street:         2450 N street, NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2002-11-13
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        abuse@cogentco.com
Source:         ARIN


POCHandle:      IPALL-ARIN
IsRole:         Y
LastName:       IP Allocation
FirstName:      
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2002-11-13
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        ipalloc@cogentco.com
Source:         ARIN


POCHandle:      ZC108-ARIN
IsRole:         Y
LastName:       Cogent Communications
FirstName:      
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2001-01-24
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        noc@cogentco.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 38.0.0.0/8

Range	ASN	Company	Num of IPs
38.211.255.0/24	AS329089	Konekt SP	256
38.211.26.0/24	AS146943	RackMonk Datacenters Pvt Ltd	256
38.211.26.0/24	AS146943	RackMonk Datacenters Pvt Ltd	256
38.211.26.0/24	AS174	RackMonk Datacenters Pvt Ltd	256
38.211.26.0/24	AS174	RackMonk Datacenters Pvt Ltd	256
38.211.27.0/24	AS266754	Connet SRL	256
38.52.197.0/24	AS272822	JemNetworks SRL	256
38.112.61.0/24	AS174	MR Networking, SRL	256
38.211.3.0/24	AS272281	Workeng.net Telecom LTDA	256
38.211.32.0/24	AS265798	Level Seven SRL	256
38.211.34.0/24	AS146943	RackMonk Datacenters Pvt Ltd	256
38.211.36.0/24	AS272003	CONEXION FIBRA S A S / PSE SAS	256
38.211.37.0/24	AS174	Rio Net Telecomunicações Ltda	256
38.211.38.0/24	AS11432	Telium Telecomunicações Ltda	256
38.211.39.0/24	AS272813	YERFEN Solutions SRL	256
38.112.63.0/24	AS174	J2 Lab	256
38.211.4.0/24	AS272345	Isimac Internet S.A. de C.V.	256
38.211.44.0/24	AS273265	Isga Comunicaciones SA de CV	256
38.211.45.0/24	AS174	Liberty Telecommunication Private Limited	256
38.211.46.0/24	AS273889	WISPER INTERNET INALAMBRICO S.A.S	256
38.211.47.0/24	AS20473	BYTELINK TELECOMUNICACIONES S.A.S. DE C.V.	256
38.211.50.0/24	AS393796	GBT Communications Inc.	256
38.211.51.0/24	AS270175	INIX360 S. DE R.L. DE C.V.	256
38.113.1.0/24	AS29873	Newfold Digital	256
38.211.60.0/24	AS273217	Alcome Tech SRL.	256
38.211.6.0/24	AS45410	Allo Technology Sdn Bhd	256
38.211.61.0/24	AS274036	Gbit tecnology	256
38.211.62.0/24	AS273985		256
38.211.63.0/24	AS272868	WIILD T. A . SECURITY (WILDER TOMAS ALMANZAR DE LA CRUZ)	256
38.113.114.0/24	AS174	Consumer Credit Counseling of San Francisco	256
38.113.115.0/24	AS174	Sierra Nevada Communications	256
38.52.193.0/24	AS270182	Internet Superflash	256
38.52.192.0/24	AS174	Cogent Communications - IPENG	256
38.211.98.0/24	AS211222	WE LINK DI GAGLIANO FRANCESCO	256
38.211.99.0/24	AS214776	Teliqon Communications OÜ	256
38.246.191.0/24	AS174	JunYun Limited	256
38.246.196.0/24	AS174	Cogent Communications - IPENG	256
38.246.196.0/24	AS174	Cogent Communications - IPENG	256
38.246.196.0/24	AS273230	Cogent Communications - IPENG	256
38.246.196.0/24	AS273230	Cogent Communications - IPENG	256
38.246.207.0/24	AS174	IP Boutique, Inc	256
38.41.35.0/24	AS273024	SISPROT GLOBAL FIBER, C.A.	256
38.41.34.0/24	AS273024	SISPROT GLOBAL FIBER, C.A.	256
38.246.32.0/24	AS46475	Limestone Networks	256
38.246.33.0/24	AS46475	Limestone Networks	256
38.246.34.0/24	AS46475	Limestone Networks	256
38.246.35.0/24	AS46475	Limestone Networks	256
38.246.41.0/24	AS22369	Onemind Services Llc	256
38.246.43.0/24	AS5651	GMLL CAPITAL MANAGEMENT LLC	256
38.246.44.0/24	AS398390	AX-S ANYWHERE	256

Hosted domains

There are 4,955,645 domain names hosted across 852,318 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
38.45.18.203	makelogoonlinefree.com	2718
38.45.65.152	instantnofaxpayday.com	2080
38.88.82.220	focuslinkglobal.com	2062
38.64.166.13	laredorealestatehomes.com	2055
38.70.16.72	edhelper.com	1027
38.88.82.216	flatearth101.com	859
38.88.82.62	hobbizine.com	797
38.88.82.214	clinthillery.com	789
38.88.82.217	bleacherbumband.com	740
38.190.187.101	sabasfit.com	731
38.45.18.201	basecent.com	727
38.88.82.218	sunnionlineradio.com	720
38.88.82.215	gngpublications.com	682
38.40.244.238	hotelsanskar.com	619
38.45.18.202	hotelboquete.com	612
38.63.68.228	zhangdanc.top	573
38.88.82.58	contentswithincontext.com	573
38.88.82.223	greatsoutherntruckmounts.com	540
38.88.82.224	l-ecs.com	537
38.47.222.160	wguig.top	515

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

2,535,699 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
38.27.107.192	AS174 Cogent Communications, LLC	`0.20ms` from Ashburn, US
38.25.235.88	AS61461 Airtek Solutions C.A.	`31.73ms` from Miami, US
38.25.192.95	AS61461 Airtek Solutions C.A.	`31.75ms` from Miami, US
38.25.228.93	AS61461 Airtek Solutions C.A.	`31.21ms` from Miami, US
38.25.227.201	AS61461 Airtek Solutions C.A.	`31.47ms` from Miami, US
38.25.193.100	AS61461 Airtek Solutions C.A.	`31.73ms` from Miami, US
38.27.129.49	AS40545 Empire Access	`9.84ms` from New York City, US
38.27.124.13	AS14277 GiGstreem	`0.73ms` from Orlando, US
38.26.22.193	AS53338 ITCI Corporation	`0.39ms` from Toronto, CA
38.25.199.195	AS61461 Airtek Solutions C.A.	`31.30ms` from Miami, US
38.25.144.47	AS61461 Airtek Solutions C.A.	`31.68ms` from Miami, US
38.25.183.100	AS61461 Airtek Solutions C.A.	`31.98ms` from Miami, US
38.25.234.9	AS61461 Airtek Solutions C.A.	`31.51ms` from Miami, US
38.27.135.165	AS40545 Empire Access	`10.04ms` from New York City, US
38.27.98.62	AS23114 Critical Hub Networks	`0.59ms` from San Juan, PR
38.28.20.15	AS174 Cogent Communications, LLC	`0.66ms` from Santiago, CL
38.27.112.8	AS14277 GiGstreem	`0.20ms` from Ashburn, US
38.27.105.74	AS397596 Assured DP	`0.21ms` from Ashburn, US
38.25.225.253	AS61461 Airtek Solutions C.A.	`31.37ms` from Miami, US
38.25.156.111	AS61461 Airtek Solutions C.A.	`31.09ms` from Miami, US
38.25.238.121	AS61461 Airtek Solutions C.A.	`31.48ms` from Miami, US
38.25.204.30	AS61461 Airtek Solutions C.A.	`31.42ms` from Miami, US
38.27.132.3	AS40545 Empire Access	`7.71ms` from New York City, US
38.25.133.212	AS61461 Airtek Solutions C.A.	`31.64ms` from Miami, US
38.25.210.50	AS61461 Airtek Solutions C.A.	`31.75ms` from Miami, 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
75.191.139.56	AS11426 Charter Communications Inc	`8.29ms` from Charlotte, US
88.240.197.136	AS9121 Turk Telekomunikasyon Anonim Sirketi	`12.55ms` from Denizli, TR
3.249.172.72	AS16509 Amazon.com, Inc.	`0.46ms` from Dublin, IE
191.121.23.216	AS26615 TIM S/A	`13.48ms` from Fortaleza, BR
163.165.213.40	AS31705 Europaischen Organisation fuer die Nutzung Meteorologischen Satelliten (Eumetsat)	`1.31ms` from Frankfurt am Main, DE
72.60.48.216	AS47583 Hostinger International Limited	`0.41ms` from Osasco, BR
52.4.182.248	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
178.69.69.120	AS12389 PJSC Rostelecom	`10.75ms` from Saint Petersburg, RU
177.81.111.152	AS28573 Claro NXT Telecomunicacoes Ltda	`5.74ms` from Sao Paulo, BR
52.74.36.104	AS16509 Amazon.com, Inc.	`0.10ms` from Singapore, SG
103.142.253.88	AS56308 TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD	`0.38ms` from Singapore, SG
35.229.171.136	AS396982 Google LLC	`2.98ms` from Taipei, TW
126.217.170.168	AS17676 SoftBank Corp.	`3.16ms` from Tokyo, JP
114.17.68.72	AS2516 KDDI CORPORATION	`8.47ms` from Tokyo, JP
92.243.58.248	AS44385 NA-NET Communications GmbH	`0.32ms` from Vienna, AT
52.34.2.248	AS16509 Amazon.com, Inc.	`0.21ms` from Boardman, US
71.234.142.104	AS7922 Comcast Cable Communications, LLC	`6.14ms` from Boston, US
175.152.38.216	AS4837 CHINA UNICOM China169 Backbone	`3.17ms` from Chengdu, CN
101.70.30.200	AS4837 CHINA UNICOM China169 Backbone	`11.56ms` from Hangzhou, CN
104.85.246.216	AS16625 Akamai Technologies, Inc.	`0.59ms` from Los Angeles, US
66.122.10.8	AS7018 AT&T Enterprises, LLC	`4.66ms` from Los Angeles, US
99.157.197.248	AS7018 AT&T Enterprises, LLC	`19.27ms` from Miami, US
76.128.28.24	AS7922 Comcast Cable Communications, LLC	`9.35ms` from Miami, US
112.26.47.56	AS9808 China Mobile Communications Group Co., Ltd.	`5.33ms` from Nanjing, CN
153.176.218.24	AS4713 NTT Communications Corporation	`17.16ms` from Osaka, JP

Traceroute

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

traceroute -a -n -q1 -f4 -m12 38.1.75.138

traceroute to 38.1.75.138 (38.1.75.138): 12 hops max, 52 byte packets

4 [AS30456] 23.136.28.203 9.729 ms

5 *

6 *

7 *

8 *

9 [AS174] 154.54.29.134 35.076 ms

10 *

11 *

12 *

Measurement taken from

IPinfo ProbeNet in Charlotte, US

On October 3rd 2025

What are IP address ranges?

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