50.21.0.0/20

AS20473 · The Constant Company, LLC

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Summary

Country	United States
Domain	1512.io
ASN	AS20473
Registry	ARIN
ID	NRG-TRANSPORT

WHOIS Details

NetHandle:      NET-50-21-0-0-1
OrgID:          SCL-530
Parent:         NET-50-0-0-0-0
NetName:        NRG-TRANSPORT
NetRange:       50.21.0.0 - 50.21.15.255
NetType:        allocation
RegDate:        2022-10-13
Updated:        2022-10-13
Source:         ARIN


OrgID:          SCL-530
OrgName:        1512 Research, LLC
CanAllocate:    
Street:         Bluebonnet Ln
City:           Austin
State/Prov:     TX
Country:        US
PostalCode:     78704
RegDate:        2022-08-13
Updated:        2022-10-24
OrgAdminHandle: NETWO9771-ARIN
OrgTechHandle:  NETWO9771-ARIN
OrgAbuseHandle: NETWO9771-ARIN
Source:         ARIN


POCHandle:      NETWO9771-ARIN
IsRole:         Y
LastName:       Network Operations
FirstName:      
Street:         Bluebonnet Ln
City:           Austin
State/Prov:     TX
Country:        US
PostalCode:     78704
RegDate:        2022-10-15
Updated:        2025-10-14
OfficePhone:    +1-512-593-2081
Mailbox:        admin@1512.io
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 50.21.0.0/16

Range	ASN	Company	Num of IPs
50.21.128.0/20	AS14102	Transvision Reseau Inc.	4,096
50.21.112.0/20	AS19045	Direct Communications Cedar Valley, LLC	4,096
50.21.240.0/20	AS22645	Blinn College	4,096
50.21.144.0/20	AS27338	GoNetSpeed	4,096
50.21.160.0/20	AS29909	Metro Optic	4,096
50.21.192.0/20	AS4181	TDS TELECOM	4,096
50.21.176.0/20	AS8560	IONOS Inc.	4,096
50.21.80.0/20	AS9471	ONATI	4,096
50.21.104.0/21	AS397005	Central Virginia Services, INC	2,048
50.21.72.0/21	AS26097	Labyrinth Solutions Inc	2,048
50.21.16.0/21	AS21949	Beanfield Technologies Inc.	2,048
50.21.64.0/21	AS21949	Beanfield Technologies Inc.	2,048
50.21.24.0/22	AS62624	Nucleus	1,024
50.21.28.0/22	AS216306	MAX IT Finance LTD	1,024
50.21.96.0/22	AS397016	Hawkeye Telephone Company	1,024
50.21.224.0/23	AS852	Mascon Cable Systems Inc.	512
50.21.227.0/24	AS852	Mascon Cable Systems Inc.	256
50.21.166.0/24	AS29909	Connect4Clouds	256
50.21.168.0/24	AS29909	Storage Pipe Solutions	256
50.21.169.0/24	AS398216	Sichuun	256
50.21.237.0/24	AS852	Mascon Cable Systems Inc.	256
50.21.226.0/24	AS852	Mascon Cable Systems Inc.	256
50.21.236.0/24	AS852	Mascon Cable Systems Inc.	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
50.21.15.253	AS20473 The Constant Company, LLC	`0.18ms` from Chicago, 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
79.228.214.20	AS3320 Deutsche Telekom AG	`9.30ms` from Berlin, DE
35.84.76.36	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
212.172.254.68	AS12312 ecotel communication ag	`0.59ms` from Frankfurt am Main, DE
37.24.223.132	AS3209 Vodafone GmbH	`5.32ms` from Frankfurt am Main, DE
194.9.145.228	AS51964 ORANGE BUSINESS SERVICES U.S. Inc.	`1.49ms` from Frankfurt am Main, DE
185.17.109.100	AS15547 netplus.ch SA	`3.42ms` from Geneve, CH
79.159.65.148	AS3352 TELEFONICA DE ESPANA S.A.U.	`12.13ms` from Madrid, ES
94.102.133.52	AS47217 Planetel SPA	`1.42ms` from Milan, IT
45.162.255.244	AS268600 GiroNet Provedor de Internet e Telecom	`0.15ms` from Osasco, BR
94.239.178.100	AS5410 Bouygues Telecom SA	`2.21ms` from Paris, FR
79.183.210.164	AS8551 Bezeq International Ltd.	`2.64ms` from Petaẖ Tiqva, IL
77.137.246.36	AS49902 SOCIETE REUNIONNAISE DU RADIOTELEPHONE SCS	`2.11ms` from Saint-Denis, RE
20.247.255.84	AS8075 Microsoft Corporation	`0.63ms` from Singapore, SG
87.116.105.228	AS29667 Atlantis Net Ltd.	`1.56ms` from Sofia, BG
97.92.225.212	AS20115 Charter Communications LLC	`6.35ms` from St. Louis, US
23.206.198.4	AS20940 Akamai International B.V.	`0.41ms` from Sydney, AU
111.254.77.244	AS3462 Data Communication Business Group	`4.64ms` from Taichung, TW
38.174.193.196	AS398993 PEG TECH INC	`0.90ms` from Tokyo, JP
102.25.10.84	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	`9.46ms` from Tunis, TN
84.195.161.196	AS6848 Telenet BV	`5.56ms` from Brussels, BE
81.82.189.244	AS6848 Telenet BV	`4.79ms` from Brussels, BE
84.183.108.196	AS3320 Deutsche Telekom AG	`4.62ms` from Hamburg, DE
167.37.28.4	AS2675 Shared Services Canada	`4.90ms` from Montreal, CA
177.66.56.132	AS28198 SEMPRE TELECOMUNICACOES LTDA	`5.27ms` from Osasco, BR
90.90.114.212	AS3215 Orange S.A.	`2.53ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 -m9 50.21.0.150

traceroute to 50.21.0.150 (50.21.0.150): 9 hops max, 52 byte packets

1 [AS15169] 108.170.238.83 8.87 ms

2 [] 208.115.137.46 18.754 ms

3 *

4 *

5 *

6 [AS20473] 207.148.15.90 9.951 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Columbus, US

On February 27th 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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