199.21.252.0/23

AS19321 · University Medical Center

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Summary

Country	United States
Domain	umcaz.edu
ASN	AS19321
Registry	ARIN
ID	UMC-HEALTH-SYSTEM

WHOIS Details

NetHandle:      NET-199-21-252-0-1
OrgID:          LCHD
Parent:         NET-199-0-0-0-0
NetName:        UMC-HEALTH-SYSTEM
NetRange:       199.21.252.0 - 199.21.255.255
NetType:        allocation
OriginAS:       19321
RegDate:        2010-08-23
Updated:        2021-12-14
Source:         ARIN


OrgID:          LCHD
OrgName:        University Medical Center
CanAllocate:    
Street:         602 Indiana Avenue
City:           Lubbock
State/Prov:     TX
Country:        US
PostalCode:     79415
RegDate:        2010-05-14
Updated:        2021-07-26
OrgAdminHandle: NETWO9503-ARIN
OrgTechHandle:  ADMIN7527-ARIN
OrgTechHandle:  NETWO9503-ARIN
OrgAbuseHandle: NETWO9503-ARIN
OrgNOCHandle:   NETWO9503-ARIN
OrgRoutingHandle:   NETWO9503-ARIN
OrgDNSHandle:   NETWO9503-ARIN
Source:         ARIN


POCHandle:      NETWO9503-ARIN
IsRole:         Y
LastName:       NetworkTeam
FirstName:      
Street:         602 Indiana Ave
City:           Lubbock
State/Prov:     TX
Country:        US
PostalCode:     79415
RegDate:        2021-07-06
Updated:        2022-07-26
OfficePhone:    +1-806-775-9109
Mailbox:        itinfrastructurenetwork@umchealthsystem.com
Source:         ARIN


POCHandle:      ADMIN7527-ARIN
IsRole:         Y
LastName:       Admin
FirstName:      
Street:         602 Indiana Ave
City:           Lubbock
State/Prov:     TX
Country:        US
PostalCode:     79415
RegDate:        2020-07-24
Updated:        2022-07-26
OfficePhone:    +1-806-775-9538
Mailbox:        christopher.hyatt@umchealthsystem.com
Source:         ARIN

Hosted domains

There are 5 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
199.21.252.15	pnsonline.net	2
199.21.252.16	waitfromhome.com	1
199.21.252.12	umcquicklook.com	1
199.21.252.68	team-choice.com	1

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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
45.199.157.199	AS22773 Cox Communications Inc.	`1.95ms` from Ashburn, US
117.200.98.215	AS9829 National Internet Backbone	`15.09ms` from Chennai, IN
83.253.28.71	AS1257 Tele2 Sverige AB	`10.42ms` from Copenhagen, DK
75.222.64.199	AS6167 Verizon Business	`15.20ms` from Los Angeles, US
75.5.187.23	AS7018 AT&T Enterprises, LLC	`2.25ms` from Los Angeles, US
189.144.139.183	AS8151 UNINET	`1.05ms` from Mexico City, MX
65.32.197.151	AS33363 Charter Communications, Inc	`8.62ms` from Orlando, US
173.169.50.23	AS33363 Charter Communications, Inc	`8.78ms` from Orlando, US
177.76.73.119	AS26599 TELEFÔNICA BRASIL S.A	`5.76ms` from Osasco, BR
207.32.218.103	AS14315 1GSERVERS, LLC	`0.16ms` from Phoenix, US
114.218.67.151	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	`7.57ms` from Shanghai, CN
80.60.106.199	AS1136 KPN B.V.	`2.35ms` from Amsterdam, NL
37.6.181.231	AS25472 Nova Telecommunications & Media Single Member S.A	`5.63ms` from Athens, GR
64.45.179.7	AS11696 Fusion, LLC	`0.58ms` from Los Angeles, US
16.50.212.247	AS16509 Amazon.com, Inc.	`0.60ms` from Melbourne, AU
90.3.159.23	AS3215 Orange S.A.	`3.20ms` from Paris, FR
52.203.69.71	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
117.193.133.7	AS9829 National Internet Backbone	`13.49ms` from Saint Thomas Mount, IN
118.37.40.215	AS4766 Korea Telecom	`1.30ms` from Seoul, KR
1.250.217.7	AS9318 SK Broadband Co Ltd	`4.80ms` from Seoul, KR
36.230.209.215	AS3462 Data Communication Business Group	`0.76ms` from Taipei, TW
27.136.230.167	AS9824 JCOM Co., Ltd.	`12.84ms` from Tokyo, JP
1.194.217.23	AS139587 China Telecom Henan Zhengzhou Shujugang IDC network	`7.05ms` from Zhengzhou, CN
212.103.65.135	AS15576 NTS workspace AG	`0.51ms` from Zuerich, CH
139.13.85.23	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`12.18ms` from Berlin, DE

Traceroute

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

traceroute -a -n -q1 -f4 -m7 199.21.252.69

traceroute to 199.21.252.69 (199.21.252.69): 7 hops max, 52 byte packets

4 [AS63949] 139.162.64.102 0.406 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On September 5th 2025

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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