205.242.184.0/21

AS6428 · CDM

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Summary

Country	United States
Domain	primary.net
ASN	AS6428
Parent Range	205.240.0.0/13
Registry	ARIN
ID	SPRINT-CDF2B0-1

WHOIS Details

NetHandle:      NET-205-242-176-0-1
OrgID:          PRME
Parent:         NET-205-240-0-0-1
NetName:        SPRINT-CDF2B0-1
NetRange:       205.242.176.0 - 205.242.191.255
NetType:        reallocation
RegDate:        1999-05-25
Updated:        2001-06-14
TechHandle:     CM553-ARIN
Source:         ARIN


OrgID:          PRME
OrgName:        Primary Network
CanAllocate:    
Street:         11756 Borman Dr, 220
City:           St. Louis
State/Prov:     MO
Country:        US
PostalCode:     63146
RegDate:        1998-11-25
Updated:        2021-11-29
OrgAdminHandle: PIA3-ARIN
OrgTechHandle:  PIA3-ARIN
OrgAbuseHandle: PIA3-ARIN
Source:         ARIN


POCHandle:      CM553-ARIN
IsRole:         N
LastName:       Malone
FirstName:      Chris
Street:         CDM On-Line dba Primary Network
Street:         11756 Borman Dr
City:           St Louis
State/Prov:     MO
Country:        US
PostalCode:     63146-
RegDate:        1995-09-07
Updated:        2022-12-04
OfficePhone:    +1-314-216-2043
FaxPhone:       +1-314-991-1564
Mailbox:        clmalone@primary.net
Source:         ARIN


POCHandle:      PIA3-ARIN
IsRole:         Y
LastName:       Primary IP Admin
FirstName:      
Street:         11756 Borman Drive
Street:         Suite 100
City:           St. Louis
State/Prov:     MO
Country:        US
PostalCode:     63146
RegDate:        2002-10-05
Updated:        2025-09-30
OfficePhone:    +1-314-695-3500
Mailbox:        ipadmin@primary.net
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 205.242.184.0/21

Range	ASN	Company	Num of IPs
205.240.0.0/13	AS13676	Cogent Communications, LLC	524,288
205.240.0.0/13	AS174	Cogent Communications, LLC	524,288
205.240.0.0/13	AS26077	Cogent Communications, LLC	524,288
205.240.0.0/13	AS40508	Cogent Communications, LLC	524,288
205.240.0.0/13	AS6062	Cogent Communications, LLC	524,288

BGP prefixes that are contained by 205.242.184.0/21

Range	ASN	Company	Num of IPs
205.242.190.0/24	AS6428	National Benevolent Association	256
205.242.189.0/24	AS6428	Midwest Medical Supply	256

Nearby Ranges

BGP prefixes that overlap with 205.242.0.0/16

Range	ASN	Company	Num of IPs
205.240.0.0/13	AS13676	Cogent Communications, LLC	524,288
205.240.0.0/13	AS174	Cogent Communications, LLC	524,288
205.240.0.0/13	AS26077	Cogent Communications, LLC	524,288
205.240.0.0/13	AS40508	Cogent Communications, LLC	524,288
205.240.0.0/13	AS6062	Cogent Communications, LLC	524,288
205.242.92.0/23	AS6428	Primary Network	512
205.242.20.0/23	AS174	Cogent Communications - IPENG	512
205.242.189.0/24	AS6428	Midwest Medical Supply	256
205.242.190.0/24	AS6428	National Benevolent Association	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
205.242.187.1	AS6428 CDM	`0.84ms` from St. Louis, US
205.242.191.254	AS6428 CDM	`0.86ms` from St. Louis, 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
84.84.19.85	AS1136 KPN B.V.	`1.46ms` from Amsterdam, NL
20.161.236.85	AS8075 Microsoft Corporation	`0.23ms` from Boydton, US
201.31.15.245	AS4230 CLARO S.A.	`0.50ms` from Curitiba, BR
71.218.105.53	AS209 CenturyLink Communications, LLC	`1.90ms` from Denver, US
20.233.85.149	AS8075 Microsoft Corporation	`1.36ms` from Dubai, AE
186.225.32.149	AS28368 SOBRALNET SERVICOS E TELECOMUNICACOES LTDA - ME	`0.29ms` from Fortaleza, BR
160.202.169.21	AS135357 HONG KONG KOWLOON TELECOMMUNICATIONS CO.,LIMITED	`1.17ms` from Hong Kong, HK
128.65.49.85	AS42772 Unitary enterprise A1	`11.66ms` from Minsk, BY
184.61.119.213	AS4181 TDS TELECOM	`12.87ms` from New York City, US
112.90.76.229	AS17816 China Unicom IP network China169 Guangdong province	`0.11ms` from Shenzhen, CN
161.232.39.5	AS207266 Identity Digital Limited	`0.09ms` from Sydney, AU
72.95.197.213	AS701 Verizon Business	`14.22ms` from Ashburn, US
68.143.14.197	AS7029 Windstream Communications LLC	`15.97ms` from Chicago, US
23.52.126.21	AS16625 Akamai Technologies, Inc.	`0.41ms` from London, GB
89.241.37.245	AS13285 TalkTalk Communications Limited	`2.50ms` from Manchester, GB
201.152.133.181	AS8151 UNINET	`7.44ms` from Monterrey, MX
92.188.240.37	AS8362 NordNet SA	`12.23ms` from Paris, FR
34.229.50.229	AS14618 Amazon.com, Inc.	`0.54ms` from Reston, US
4.194.90.229	AS8075 Microsoft Corporation	`0.61ms` from Singapore, SG
79.103.140.5	AS1241 Forthnet	`9.71ms` from Sofia, BG
223.107.96.21	AS56046 China Mobile communications corporation	`3.08ms` from Suzhou, CN
203.66.23.5	AS3462 Data Communication Business Group	`1.11ms` from Taipei, TW
223.71.93.85	AS56048 China Mobile Communicaitons Corporation	`2.31ms` from Beijing, CN
198.175.150.149	AS399250 Name Hero, LLC	`12.81ms` from Dallas, US
73.161.31.117	AS7922 Comcast Cable Communications, LLC	`9.14ms` from Flint, US

Traceroute

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

traceroute -a -n -q1 -f5 -m12 205.242.188.49

traceroute to 205.242.188.49 (205.242.188.49): 12 hops max, 52 byte packets

5 [AS6939] 184.105.27.98 27.381 ms

6 [AS15164] 173.244.140.67 33.65 ms

7 [AS15164] 173.244.140.113 33.674 ms

8 [AS15164] 173.244.140.106 33.921 ms

9 [AS6428] 216.87.40.98 30.817 ms

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Measurement taken from

IPinfo ProbeNet in New York City, US

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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