198.251.16.0/23

AS36319 · NorthShore University HealthSystem

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Summary

Country	United States
Domain	nch.org
ASN	AS36319
Registry	ARIN
ID	NETBLK-NWCHDATCOM

WHOIS Details

NetHandle:      NET-198-251-16-0-1
OrgID:          NCH-1
Parent:         NET-198-0-0-0-0
NetName:        NETBLK-NWCHDATCOM
NetRange:       198.251.16.0 - 198.251.30.255
NetType:        allocation
RegDate:        1993-08-30
Updated:        2021-12-14
TechHandle:     DUKIC2-ARIN
AbuseHandle:    DUKIC2-ARIN
NOCHandle:      DUKIC2-ARIN
Source:         ARIN


OrgID:          NCH-1
OrgName:        Northwest Community Hospital
CanAllocate:    
Street:         800 West Central Road
City:           Arlington Heights
State/Prov:     IL
Country:        US
PostalCode:     60005
RegDate:        1993-08-30
Updated:        2025-01-08
OrgAdminHandle: DUKIC2-ARIN
OrgTechHandle:  DUKIC2-ARIN
OrgTechHandle:  MARKA51-ARIN
OrgTechHandle:  SMITH6239-ARIN
OrgAbuseHandle: DUKIC2-ARIN
OrgAbuseHandle: MARKA51-ARIN
OrgNOCHandle:   DUKIC2-ARIN
OrgNOCHandle:   MARKA51-ARIN
OrgRoutingHandle:   DUKIC2-ARIN
OrgRoutingHandle:   MARKA51-ARIN
OrgRoutingHandle:   SMITH6239-ARIN
OrgDNSHandle:   DUKIC2-ARIN
OrgDNSHandle:   MARKA51-ARIN
Source:         ARIN


POCHandle:      DUKIC2-ARIN
IsRole:         N
LastName:       Dukich
FirstName:      Paul
Street:         800 W. Central Rd
City:           Arlington Heights
State/Prov:     IL
Country:        US
PostalCode:     60005
RegDate:        2016-10-10
Updated:        2025-10-01
OfficePhone:    +1-847-618-4887
Mailbox:        [email protected]
Mailbox:        [email protected]
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      SMITH6239-ARIN
IsRole:         N
LastName:       Smith
FirstName:      Daniel
Street:         4201 Winfield Rd
City:           Warrenville
State/Prov:     IL
Country:        US
PostalCode:     60555
RegDate:        2025-01-08
Updated:        2026-01-09
OfficePhone:    +1-630-527-5663
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      MARKA51-ARIN
IsRole:         N
LastName:       Eilken
FirstName:      Mark
Street:         800 W. Central Rd.
City:           Arlington Heights
State/Prov:     IL
Country:        US
PostalCode:     60005
RegDate:        2022-11-23
Updated:        2022-11-23
OfficePhone:    +1-847-618-4834
MobilePhone:    +1-630-401-9289
Mailbox:        [email protected]
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 198.251.0.0/16

Range	ASN	Company	Num of IPs
198.251.64.0/20	AS8560	IONOS Inc.	4,096
198.251.96.0/20	AS54923	Network Communications	4,096
198.251.48.0/20	AS5769	ViaNetTV Inc	4,096
198.251.112.0/20	AS13866	Data Center West, Inc.	4,096
198.251.48.0/20	AS54198	ViaNetTV Inc	4,096
198.251.40.0/21	AS21668	ElbertonNet	2,048
198.251.92.0/22	AS14956	RouterHosting LLC	1,024
198.251.31.0/24	AS40521	Bluefin Trading, LLC	256

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address	ASN	Details
198.251.16.192	AS36319 NorthShore University HealthSystem	`122.65ms` from Tirana, AL
198.251.17.240	AS36319 NorthShore University HealthSystem	`122.62ms` from Tirana, AL

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
164.90.198.71	AS14061 DigitalOcean, LLC	`0.25ms` from Amsterdam, NL
120.211.150.7	AS24547 Hebei Mobile Communication Company Limited	`6.30ms` from Beijing, CN
52.12.237.87	AS16509 Amazon.com, Inc.	`0.15ms` from Boardman, US
184.106.226.7	AS19994 Rackspace Hosting	`1.22ms` from Chicago, US
150.95.16.7	AS131392 GMO-Z.com Runsystem Joint Stock Company	`0.91ms` from Hanoi, VN
140.248.153.87	AS54113 Fastly, Inc.	`0.05ms` from Lisbon, PT
213.105.94.71	AS5089 Virgin Media Limited	`3.48ms` from London, GB
162.231.57.23	AS7018 AT&T Enterprises, LLC	`19.03ms` from Los Angeles, US
49.151.245.183	AS9299 Philippine Long Distance Telephone Company	`6.20ms` from Manila, PH
67.220.4.7	AS10242 US Internet Corp	`0.44ms` from Minneapolis, US
36.150.243.39	AS56046 China Mobile communications corporation	`7.03ms` from Nanjing, CN
182.223.252.71	AS17858 LG POWERCOMM	`1.81ms` from Seoul, KR
221.157.150.135	AS4766 Korea Telecom	`5.12ms` from Seoul, KR
16.176.166.135	AS16509 Amazon.com, Inc.	`0.58ms` from Sydney, AU
60.4.145.199	AS4837 CHINA UNICOM China169 Backbone	`9.97ms` from Beijing, CN
73.73.201.71	AS7922 Comcast Cable Communications, LLC	`4.65ms` from Chicago, US
3.18.160.167	AS16509 Amazon.com, Inc.	`0.16ms` from Columbus, US
18.217.121.247	AS16509 Amazon.com, Inc.	`0.19ms` from Columbus, US
109.150.255.199	AS2856 British Telecommunications PLC	`6.13ms` from Erith, GB
89.169.96.39	AS213291 Nebius B.V.	`1.12ms` from Helsinki, FI
83.201.81.23	AS3215 Orange S.A.	`10.83ms` from Marseille, FR
147.162.18.231	AS137 Consortium GARR	`7.08ms` from Milan, IT
182.85.189.167	AS4134 CHINANET-BACKBONE	`1.49ms` from Nanchang, CN
94.145.161.183	AS9158 Telenor A/S	`7.32ms` from Skanderborg, DK
104.68.21.135	AS16625 Akamai Technologies, Inc.	`0.08ms` from Sydney, AU

Traceroute

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

traceroute -a -n -q1 -m5 198.251.17.1

traceroute to 198.251.17.1 (198.251.17.1): 5 hops max, 52 byte packets

1 [AS15169] 142.251.49.148 142.411 ms

2 [AS15169] 108.170.252.46 142.54 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On January 30th 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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