AS number details

AS21666

OSF Healthcare System  ·  osfhealthcare.org

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AS21666 – OSF Healthcare System

Field Value
Country United States
Website osfhealthcare.org
Hosted domains 1
Number of IPv4 512
Number of IPv6 0
ASN type Business
Registry arin
Allocated 3 years ago on Aug 30, 2022
Updated 3 years ago on Aug 30, 2022
Netblock Company Num of IPs
198.246.176.0/24 OSF Healthcare System 256
204.238.189.0/24 OSF Healthcare System 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS21666
                                                OrgID:          AS21666
                                                ASName:         AS21666
                                                ASNumber:       AS21666
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

IP Address Domain Domains on this IP
204.238.189.184 ██████████ 1

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Useful for Cybersecurity

Peers

There are 2 peers for this ASN.

Peers Name
AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
198.246.176.17 AS21666 OSF Healthcare System 0.46ms from Chicago, US
204.238.189.212 AS21666 OSF Healthcare System 0.53ms from Chicago, US

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Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
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54.87.40.130 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
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129.211.127.194 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.38ms from Shanghai, CN
103.76.30.2 AS133622 Bottomline Technologies Pte. Ltd. 0.92ms from Singapore, SG
118.81.6.226 AS4837 CHINA UNICOM China169 Backbone 3.44ms from Taiyuan, CN
113.156.127.130 AS2516 KDDI CORPORATION 1.36ms from Tokyo, JP
52.124.78.2 AS11260 EastLink 5.31ms from Toronto, CA
195.176.78.242 AS559 SWITCH 2.65ms from Zuerich, CH
131.106.154.130 AS6079 RCN 8.90ms from Ashburn, US
50.215.236.210 AS7922 Comcast Cable Communications, LLC 4.40ms from Atlanta, US
120.11.136.34 AS4837 CHINA UNICOM China169 Backbone 6.35ms from Beijing, CN
195.149.194.18 AS39377 Samostalna Zanatska i Trgovinska Radnja Intercom Computers Goran Stojkovic Preduzetnik Krusar 3.30ms from Belgrade, RS

Traceroute

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

$
traceroute -a -n -q1 198.246.176.16
traceroute to 198.246.176.16 (198.246.176.16): 64 hops max, 52 byte packets
1 [AS202422] 37.9.35.3 0.499 ms
3 *
4 *
5 *
6 [AS174] 154.54.29.66 0.983 ms
7 [AS174] 38.142.64.226 6.435 ms
Measurement taken from IPinfo ProbeNet in Chicago, US
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS21666 at robtex.

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