How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS10357 James Madison University

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

James Madison University jmu.edu

US 2 Routes

AS Data

AS10357

AS10357 – James Madison University

AS Number	10357
AS Name	JMUNET
Organization	James Madison University (jmu-z)
Country	US
Website	jmu.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1997-07-09

ASN Intelligence API for production workflows

Use ASN data for AS10357 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
134.126.253.0/24	AS10357	James Madison University	James Madison University	256
134.126.0.0/16	AS10357	James Madison University	James Madison University	65536

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       10357
ASName:         JMUNET
ASHandle:       AS10357
RegDate:        1997-07-09
Updated:        2023-07-19
Ref:            https://rdap.arin.net/registry/autnum/10357


OrgName:        James Madison University
OrgId:          JMU-Z
Address:        1031 South Main Street
Address:        JMU MSC 5735
City:           Harrisonburg
StateProv:      VA
PostalCode:     22807
Country:        US
RegDate:        2023-07-06
Updated:        2023-07-06
Ref:            https://rdap.arin.net/registry/entity/JMU-Z


OrgTechHandle: JNE99-ARIN
OrgTechName:   JMU Network Engineering
OrgTechPhone:  +1-540-568-3555 
OrgTechEmail:  network@jmu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/JNE99-ARIN

OrgAbuseHandle: JNE99-ARIN
OrgAbuseName:   JMU Network Engineering
OrgAbusePhone:  +1-540-568-3555 
OrgAbuseEmail:  network@jmu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JNE99-ARIN

RTechHandle: JNE99-ARIN
RTechName:   JMU Network Engineering
RTechPhone:  +1-540-568-3555 
RTechEmail:  network@jmu.edu
RTechRef:    https://rdap.arin.net/registry/entity/JNE99-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "10357",
    "as_handle" : "AS10357",
    "as_name" : "JMUNET",
    "tech_contacts" : [ "JNE99-ARIN", "JNE99-ARIN" ],
    "abuse_contacts" : [ "JNE99-ARIN" ],
    "date_created" : "1997-07-09",
    "date_updated" : "2023-07-19",
    "source" : "https://rdap.arin.net/registry/autnum/10357"
  } ],
  "organization" : {
    "handle" : "JMU-Z",
    "name" : "James Madison University",
    "address" : [ "1031 South Main Street", "JMU MSC 5735", "Harrisonburg", "VA", "22807", "US" ],
    "street" : "South Main Street",
    "city" : "Harrisonburg",
    "state" : "VA",
    "zip_code" : "22807",
    "country" : [ "US" ],
    "date_created" : "2023-07-06",
    "date_updated" : "2023-07-06",
    "source" : "https://rdap.arin.net/registry/entity/JMU-Z",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "JNE99-ARIN",
    "name" : "JMU Network Engineering",
    "email" : [ "network@jmu.edu" ],
    "phone" : [ "+1-540-568-3555" ],
    "source" : "https://rdap.arin.net/registry/entity/JNE99-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JNE99-ARIN",
    "name" : "JMU Network Engineering",
    "email" : [ "network@jmu.edu" ],
    "phone" : [ "+1-540-568-3555" ],
    "source" : "https://rdap.arin.net/registry/entity/JNE99-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS40220	Virginia Polytechnic Institute and State Univ.	US
AS7795	LUMOS Networks, Inc.	US

Upstreams

AS Number	Description	Country
AS40220	Virginia Polytechnic Institute and State Univ.	US
AS7795	LUMOS Networks, Inc.	US

Frequently Asked Questions

What is ASN AS10357?

ASN AS10357 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10357?

AS10357 is listed under James Madison University.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.