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  2. 38.0.0.0/8
  3. AS174  | 38.0.0.0/8

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:      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


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:      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

Overlapping Ranges

BGP prefixes that are contained by 38.0.0.0/8

Range ASN Company Num of IPs
38.99.138.0/24 AS397468 Think On Inc. 256
38.111.223.0/24 AS1008 GANJINGWORLD CORPORATION 256
38.246.126.0/24 AS1008 Ganjingworld Corporation 256
38.246.81.0/24 AS1008 Ganjingworld Corporation 256
38.69.152.0/24 AS10099 China Unicom (Hong Kong) Operations Limited 256
38.111.220.0/24 AS10111 Zeofast Network / Flarespeed Technology Co Ltd 256
38.111.221.0/24 AS10111 Zeofast Network / Flarespeed Technology Co Ltd 256
38.124.249.0/24 AS10886 University of Maryland/Mid-Atlantic Crossroads (MAX) 256
38.99.168.0/24 AS1100 Ravand CyberTech Inc 256
38.117.75.0/24 AS11077 XBASE Technologies Corp. 256
38.69.130.0/24 AS11077 XBASE Technologies Corp. 256
38.92.53.0/24 AS11085 NCS Technologies 256
38.105.33.0/24 AS11088 IConnect Inc. 256
38.64.74.0/24 AS11160 COSTAR GROUP INC 256
38.115.1.0/24 AS11361 Boscov's Department Store LLC 256
38.211.38.0/24 AS11432 Telium Telecomunicações Ltda 256
38.52.204.0/24 AS11432 Telium Telecomunicações Ltda 256
38.105.7.0/24 AS11457 Digital Realty Trust 256
38.71.70.0/24 AS11586 Johnson Outdoors Inc. 256
38.99.129.0/24 AS11636 MServices Limited Partnership 256
38.29.170.0/24 AS11686 Education Networks of America 256
38.27.118.0/24 AS11713 Congruity 256
38.79.75.0/24 AS11775 Clougix 256
38.105.166.0/24 AS11903 Lincolnshire Management Inc 256
38.111.11.0/24 AS174 HEI Cambridge, LLC d/b/a Le Meridien Cambridge 256
38.111.113.0/24 AS174 Ventum Financial Corp. 256
38.111.115.0/24 AS174 Bells & Whistles Communications, Inc. 256
38.111.149.0/24 AS174 The Presidio Trust 256
38.111.157.0/24 AS174 California Nurses Association 256
38.111.16.0/24 AS174 Massachusetts Convention Center Authority 256
38.111.161.0/24 AS174 Surge Staffing 256
38.111.163.0/24 AS174 SelectUS Consulting 256
38.111.17.0/24 AS174 Cogent Communications - IPENG 256
38.111.18.0/24 AS174 Guang Xun Yong Yao Limited 256
38.111.181.0/24 AS174 Porter Wright Morris & Arthur LLP 256
38.111.192.0/24 AS174 OpsRamp Inc 256
38.111.193.0/24 AS174 Cogent communications - IPENG 256
38.111.195.0/24 AS174 Altair Engineering, Inc 256
38.111.197.0/24 AS174 Security Centric 256
38.111.206.0/24 AS174 SlashNext, Inc. 256
38.111.207.0/24 AS174 City of Long Beach, Harbor Department 256
38.111.219.0/24 AS174 KAOPU CLOUD HK LIMITED 256
38.111.248.0/24 AS174 1547 CSR-South Bend, LLC 256
38.111.252.0/24 AS174 enFocus 256
38.111.56.0/24 AS174 Cisco Systems Inc 256
38.111.61.0/24 AS174 Guang Xun Yong Yao Limited 256
38.111.96.0/24 AS174 Bells & Whistles Communications, Inc. 256
38.111.98.0/24 AS174 Teranet Inc. 256
38.112.60.0/24 AS174 J2 Lab 256
38.112.61.0/24 AS174 MR Networking, SRL 256

Hosted domains

There are 4,820,427 domain names hosted across 836,512 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
38.64.166.13 laredorealestatehomes.com 2112
38.45.65.152 propertiesandrealestate.com 2080
38.88.82.220 focuslinkglobal.com 2054
38.45.122.29 68841.ge 1676
38.162.114.157 xthaosheng.com 1385
38.162.114.171 lydrw.com 1384
38.45.18.203 silvercommvoip.solutions 1226
38.109.251.135 youth.cn 1180
38.70.16.72 edhelper.com 1025
38.45.122.28 786669.cc 1024
38.88.82.216 flatearth101.com 845
38.88.82.62 hobbizine.com 781
38.88.82.214 coralhearts.com 777
38.190.187.101 inverflordebelen.com 770
38.88.82.217 uncloakedmystics.com 737
38.88.82.218 sunnionlineradio.com 716
38.45.122.30 479826.cc 716
38.88.82.215 gngpublications.com 677
38.40.244.238 jiajudg.com 606
38.88.82.58 bravestores.com 591

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

2,685,743 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
38.17.15.13 AS52419 CESOP 6.11ms from Buenos Aires, AR
38.17.8.42 AS52419 CESOP 6.13ms from Buenos Aires, AR
38.18.1.100 AS174 Cogent Communications, LLC 0.77ms from Los Angeles, US
38.17.128.225 AS272122 TELECOMUNICACIONES G-NETWORK, C.A. 29.46ms from Miami, US
38.17.177.246 AS272122 TELECOMUNICACIONES G-NETWORK, C.A. 29.87ms from Miami, US
38.17.46.116 AS397373 H4Y Technologies LLC 0.10ms from Monticello, US
38.18.89.15 AS54936 Wyyerd Group 3.47ms from Phoenix, US
38.17.40.5 AS174 Cogent Communications, LLC 2.11ms from San Jose, US
38.15.234.182 AS27611 Starry, Inc. 0.90ms from Secaucus, US
38.18.28.106 AS174 Cogent Communications, LLC 0.76ms from Los Angeles, US
38.18.3.123 AS174 Cogent Communications, LLC 0.76ms from Los Angeles, US
38.15.217.126 AS395354 Starry, Inc. 7.34ms from Los Angeles, US
38.17.157.71 AS272122 TELECOMUNICACIONES G-NETWORK, C.A. 29.47ms from Miami, US
38.17.134.12 AS272122 TELECOMUNICACIONES G-NETWORK, C.A. 29.70ms from Miami, US
38.17.171.69 AS272122 TELECOMUNICACIONES G-NETWORK, C.A. 29.58ms from Miami, US
38.15.232.191 AS27611 Starry, Inc. 10.96ms from New York City, US
38.18.88.1 AS54936 Wyyerd Group 2.64ms from Phoenix, US
38.15.199.237 AS27611 Starry, Inc. 2.10ms from Secaucus, US
38.18.105.234 AS32277 TBayTel 14.84ms from Toronto, CA
38.18.101.69 AS32277 TBayTel 15.47ms from Toronto, CA
38.17.12.20 AS52419 CESOP 5.98ms from Buenos Aires, AR
38.15.203.52 AS395354 Starry, Inc. 2.53ms from Denver, US
38.18.18.205 AS174 Cogent Communications, LLC 0.76ms from Los Angeles, US
38.18.9.102 AS174 Cogent Communications, LLC 0.76ms from Los Angeles, US
38.15.214.234 AS395354 Starry, Inc. 3.90ms from Los Angeles, 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
49.231.241.120 AS45458 SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX 2.58ms from Bangkok, TH
190.211.215.40 AS27833 BVNET S.A. 7.65ms from Buenos Aires, AR
16.28.53.184 AS16509 Amazon.com, Inc. 0.43ms from Cape Town, ZA
128.104.136.8 AS59 University of Wisconsin Madison 5.53ms from Chicago, US
38.178.213.72 AS35986 Vyve Broadband 7.07ms from Dallas, US
177.158.126.40 AS18881 TELEFÔNICA BRASIL S.A 19.87ms from Fortaleza, BR
122.186.250.168 AS9498 BHARTI Airtel Ltd. 1.76ms from Kolkata, IN
85.91.222.248 AS6789 CRELCOM LLC 10.70ms from Krasnodar, RU
161.49.82.184 AS17639 Converge ICT Solutions Inc. 0.74ms from Manila, PH
87.4.133.232 AS3269 Telecom Italia S.p.A. 3.28ms from Milan, IT
162.220.106.168 AS17378 TierPoint, LLC 2.48ms from New York City, US
72.88.146.120 AS701 Verizon Business 1.44ms from New York City, US
198.57.194.232 AS46606 Unified Layer 2.01ms from Salt Lake City, US
211.229.132.104 AS4766 Korea Telecom 6.06ms from Seoul, KR
87.195.183.56 AS12414 Solcon Internetdiensten B.V. 6.47ms from Amsterdam, NL
70.191.162.248 AS22773 Cox Communications Inc. 18.03ms from Atlanta, US
58.131.158.24 AS4847 China Networks Inter-Exchange 5.55ms from Beijing, CN
46.214.107.184 AS48161 NEXTGEN COMMUNICATIONS SRL 4.81ms from Bucharest, RO
63.160.93.40 AS174 Cogent Communications, LLC 5.46ms from Detroit, US
176.249.22.104 AS5607 Sky UK Limited 2.31ms from Erith, GB
76.139.219.232 AS7922 Comcast Cable Communications, LLC 9.22ms from Flint, US
14.183.0.104 AS45899 VNPT Corp 5.57ms from Ho Chi Minh City, VN
195.3.197.56 AS31072 Municipal Enterprise "City Information Centre" 0.81ms from Kharkiv, UA
94.102.122.8 AS29124 Iskratelecom JSC 0.96ms from Moscow, RU
180.43.106.152 AS4713 NTT DOCOMO BUSINESS,Inc. 11.57ms 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 -f3 38.43.77.187
traceroute to 38.43.77.187 (38.43.77.187): 64 hops max, 52 byte packets
3 [AS3549] 200.189.213.162 172.401 ms
4 [AS3549] 204.199.0.54 173.098 ms
5 *
6 [AS272005] 38.43.77.187 172.268 ms
Measurement taken from IPinfo ProbeNet in Dallas, US
On

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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.

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