AS number details

AS19923

Shenandoah University  ·  su.edu

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AS19923 – Shenandoah University

Field Value
Country United States
Website su.edu
Hosted domains 0
Number of IPv4 2,048
Number of IPv6 0
ASN type Education
Registry arin
Allocated 25 years ago on Mar 02, 2001
Updated 13 days ago on Nov 12, 2025
Netblock Company Num of IPs
204.154.80.0/24 Shenandoah University 256
204.154.81.0/24 Shenandoah University 256
204.154.82.0/24 Shenandoah University 256
204.154.83.0/24 Shenandoah University 256
204.154.84.0/24 Shenandoah University 256
204.154.85.0/24 Shenandoah University 256
204.154.86.0/24 Shenandoah University 256
204.154.87.0/24 Shenandoah University 256

There are no known IPv6 addresses belonging to this network

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IP Ranges API

WHOIS Details


                                                ASHandle:       AS19923
                                                OrgID:          AS19923
                                                ASName:         AS19923
                                                ASNumber:       AS19923
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are no domains currently hosted on this ASN.

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Useful for Cybersecurity

Peers

There are 2 peers for this ASN.

Peers Name
AS21508 Comcast Cable Communications, LLC
AS4922 Shenandoah Cable Television LLC
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS21508 Comcast Cable Communications, LLC
AS4922 Shenandoah Cable Television LLC
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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
204.154.87.1 AS19923 Shenandoah University 0.90ms from Berkeley Springs, US
204.154.81.1 AS19923 Shenandoah University 6.44ms from Ashburn, 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
52.41.30.35 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
41.222.137.3 AS37049 South African Digital Villages (Pty) Ltd 0.80ms from Cape Town, ZA
152.188.48.35 AS701 Verizon Business 5.63ms from Dallas, US
91.97.24.131 AS9145 EWE TEL GmbH 6.14ms from Hamburg, DE
183.129.176.195 AS4134 CHINANET-BACKBONE 4.75ms from Hangzhou, CN
95.12.70.51 AS47331 TTNet A.S. 16.78ms from Istanbul, TR
58.57.179.19 AS4134 CHINANET-BACKBONE 5.75ms from Jinan, CN
38.209.33.243 AS393442 United Electric Cooperative 3.46ms from Kansas City, US
109.154.120.115 AS2856 British Telecommunications PLC 3.75ms from London, GB
76.176.223.83 AS20001 Charter Communications Inc 5.57ms from Los Angeles, US
41.210.240.67 AS37081 Movicel Telecomunicacoes S.A. 0.51ms from Luanda, AO
82.148.230.3 AS25376 Netnorth Limited 0.71ms from Manchester, GB
52.73.236.147 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
82.134.64.3 AS8542 Eviny Fiber AS 7.76ms from Sandefjord, NO
132.247.117.67 AS278 Universidad Nacional Autonoma de Mexico 4.01ms from Santiago de Queretaro, MX
125.181.179.83 AS17858 LG POWERCOMM 2.69ms from Seoul, KR
119.206.42.51 AS4766 Korea Telecom 5.13ms from Seoul, KR
115.44.142.147 AS17962 ShenZhen Topway Video Communication Co. Ltd 3.60ms from Shenzhen, CN
118.78.64.243 AS4837 CHINA UNICOM China169 Backbone 7.37ms from Taiyuan, CN
80.61.97.115 AS1136 KPN B.V. 1.42ms from Amsterdam, NL
207.50.193.3 AS19901 Brightspeed 0.69ms from Ashburn, US
192.84.36.211 AS19871 Network Solutions, LLC 0.76ms from Atlanta, US
222.155.194.227 AS4771 Spark New Zealand Trading Ltd. 6.26ms from Auckland, NZ
170.232.229.227 AS21833 Trinity Health Corporation 0.78ms from Chicago, US
60.187.202.19 AS4134 CHINANET-BACKBONE 6.81ms from Hangzhou, CN

Traceroute

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

$
traceroute -a -n -q1 -f4 204.154.81.1
traceroute to 204.154.81.1 (204.154.81.1): 64 hops max, 52 byte packets
5 *
6 [AS7922] 96.110.32.173 2.659 ms
7 [AS7922] 96.110.42.134 2.755 ms
8 [AS7922] 96.110.203.234 13.888 ms
10 [AS7922] 96.110.202.154 6.856 ms
11 [AS19923] 204.154.81.1 6.439 ms
Measurement taken from IPinfo ProbeNet in Ashburn, 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 AS19923 at robtex.

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