205.143.254.0/24

AS53598 · National Jewish Medical and Research Center Corporation

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Summary

Country	United States
Domain	nationaljewish.org
ASN	AS53598
Registry	ARIN
ID	NJCMC

WHOIS Details

NetHandle:      NET-205-143-248-0-1
OrgID:          NJRC-Z
Parent:         NET-205-0-0-0-0
NetName:        NJCMC
NetRange:       205.143.248.0 - 205.143.255.255
NetType:        allocation
RegDate:        1995-06-15
Updated:        2023-09-06
Source:         ARIN


OrgID:          NJRC-Z
OrgName:        National Jewish Medical and Research Center Corporation
CanAllocate:    
Street:         1400 Jackson Street
City:           Denver
State/Prov:     CO
Country:        US
PostalCode:     80206
RegDate:        2023-09-06
Updated:        2023-09-06
OrgAdminHandle: BG72-ORG-ARIN
OrgTechHandle:  BG72-ORG-ARIN
OrgAbuseHandle: BG72-ORG-ARIN
Source:         ARIN


POCHandle:      BG72-ORG-ARIN
IsRole:         Y
LastName:       NJH Admin
FirstName:      
Street:         1400 Jackson st
City:           Denver
State/Prov:     CO
Country:        US
PostalCode:     80206
RegDate:        1970-01-01
Updated:        2024-04-01
OfficePhone:    +1-303-270-2050
OfficePhone:    +1-303-398-1698
OfficePhone:    +1-303-398-1848
FaxPhone:       +1-303-270-2150
Mailbox:        hardwickj@njhealth.org
Mailbox:        mccarthyj@njhealth.org
Mailbox:        weaklyr@njhealth.org
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 205.143.0.0/16

Range	ASN	Company	Num of IPs
205.143.72.0/21	AS6998	InterVoice, Inc.	2,048
205.143.208.0/21	AS9009	Delta One	2,048
205.143.120.0/21	AS30022	Gemological Institute of America	2,048
205.143.0.0/21	AS30404	Blue Stream	2,048
205.143.224.0/21	AS1798	State of Oregon	2,048
205.143.136.0/21	AS396334	Oral Roberts University	2,048
205.143.216.0/21	AS5078	Oklahoma Christian University of Science and Arts	2,048
205.143.47.0/24	AS393238	ImOn Communications, LLC	256
205.143.46.0/24	AS15085	Integral Solutions Group	256

Hosted domains

There are no domains currently hosted on this ASN.

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Pingable IPs

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

IP Address	ASN	Details
205.143.254.1	AS53598 National Jewish Medical and Research Center Corporation	`0.37ms` from Denver, 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
45.202.89.200	AS20326 TeraSwitch Networks Inc.	`0.21ms` from Amsterdam, NL
41.204.120.56	AS328411 Gulfsat Madagascar	`0.02ms` from Antananarivo, MG
47.135.193.56	AS20115 Charter Communications LLC	`7.44ms` from Atlanta, US
179.36.97.184	AS22927 Telefonica de Argentina	`14.44ms` from Buenos Aires, AR
96.173.99.168	AS53297 Comcast Cable Communications, LLC	`0.05ms` from Chicago, US
192.162.209.168	AS197738 PP "Zastava Plus"	`3.48ms` from Chisinau, MD
64.112.211.104	AS13728 D&P Communications, Inc.	`2.72ms` from Detroit, US
95.223.62.56	AS3209 Vodafone GmbH	`11.67ms` from Frankfurt am Main, DE
67.180.179.200	AS7922 Comcast Cable Communications, LLC	`6.03ms` from Fremont, US
112.111.12.216	AS4837 CHINA UNICOM China169 Backbone	`2.72ms` from Fuzhou, CN
27.68.18.88	AS7552 Viettel Group	`2.81ms` from Ho Chi Minh City, VN
89.81.138.8	AS5410 Bouygues Telecom SA	`7.69ms` from Marseille, FR
174.18.81.8	AS209 CenturyLink Communications, LLC	`4.00ms` from Phoenix, US
183.97.150.56	AS4766 Korea Telecom	`1.67ms` from Seoul, KR
99.170.158.24	AS7018 AT&T Enterprises, LLC	`16.12ms` from Atlanta, US
123.56.110.232	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.00ms` from Beijing, CN
34.211.166.40	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
135.18.164.184	AS8075 Microsoft Corporation	`0.21ms` from Boydton, US
66.80.26.184	AS30058 FDCservers.net	`0.30ms` from Frankfurt am Main, DE
80.144.44.248	AS3320 Deutsche Telekom AG	`7.98ms` from Frankfurt am Main, DE
116.108.160.72	AS7552 Viettel Group	`1.25ms` from Ho Chi Minh City, VN
211.242.14.104	AS152199 Kakao Corp	`1.28ms` from Incheon, KR
200.165.114.152	AS7738 V tal	`3.73ms` from Rio de Janeiro, BR
23.43.7.168	AS16625 Akamai Technologies, Inc.	`5.65ms` from Sioux Falls, US
177.152.106.136	AS270587 figueiredo provedores eireli	`6.97ms` from Belo Horizonte, BR

Traceroute

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

traceroute -a -n -q1 -f5 205.143.254.131

traceroute to 205.143.254.131 (205.143.254.131): 64 hops max, 52 byte packets

5 [AS3356] 4.8.250.114 37.626 ms

6 *

7 [AS53598] 205.143.254.131 40.79 ms

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On January 18th 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.

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