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AS20105 University of Richmond

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

University of Richmond richmond.edu

US 7 Routes

AS Data

AS20105

AS20105 – University of Richmond

AS Number	20105
AS Name	URICHMOND
Organization	University of Richmond (univer-504)
Country	US
Website	richmond.edu
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2001-03-23

ASN Intelligence API for production workflows

Use ASN data for AS20105 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
141.166.0.0/16	AS20105	University of Richmond	University of Richmond	65536
141.166.128.0/20	AS20105	University of Richmond	University of Richmond	4096
141.166.144.0/20	AS20105	University of Richmond	University of Richmond	4096
141.166.32.0/19	AS20105	University of Richmond	University of Richmond	8192
141.166.224.0/19	AS20105	University of Richmond	University of Richmond	8192
141.166.160.0/19	AS20105	University of Richmond	University of Richmond	8192
141.166.96.0/19	AS20105	University of Richmond	University of Richmond	8192

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:       20105
ASName:         URICHMOND
ASHandle:       AS20105
RegDate:        2001-03-23
Updated:        2014-11-17
Ref:            https://rdap.arin.net/registry/autnum/20105


OrgName:        University of Richmond
OrgId:          UNIVER-504
Address:        410 Westhampton Way
City:           Richmond
StateProv:      VA
PostalCode:     23173
Country:        US
RegDate:        2001-03-23
Updated:        2021-03-12
Ref:            https://rdap.arin.net/registry/entity/UNIVER-504


OrgTechHandle: HOSTM256-ARIN
OrgTechName:   hostmaster
OrgTechPhone:  +1-804-289-8000 
OrgTechEmail:  hostmaster@richmond.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM256-ARIN

OrgAbuseHandle: HOSTM256-ARIN
OrgAbuseName:   hostmaster
OrgAbusePhone:  +1-804-289-8000 
OrgAbuseEmail:  hostmaster@richmond.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM256-ARIN

RTechHandle: HOSTM256-ARIN
RTechName:   hostmaster
RTechPhone:  +1-804-289-8000 
RTechEmail:  hostmaster@richmond.edu
RTechRef:    https://rdap.arin.net/registry/entity/HOSTM256-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" : "20105",
    "as_handle" : "AS20105",
    "as_name" : "URICHMOND",
    "tech_contacts" : [ "HOSTM256-ARIN", "HOSTM256-ARIN" ],
    "abuse_contacts" : [ "HOSTM256-ARIN" ],
    "date_created" : "2001-03-23",
    "date_updated" : "2014-11-17",
    "source" : "https://rdap.arin.net/registry/autnum/20105"
  } ],
  "organization" : {
    "handle" : "UNIVER-504",
    "name" : "University of Richmond",
    "address" : [ "410 Westhampton Way", "Richmond", "VA", "23173", "US" ],
    "street" : "Westhampton Way",
    "city" : "Richmond",
    "state" : "VA",
    "zip_code" : "23173",
    "country" : [ "US" ],
    "date_created" : "2001-03-23",
    "date_updated" : "2021-03-12",
    "source" : "https://rdap.arin.net/registry/entity/UNIVER-504",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HOSTM256-ARIN",
    "name" : "hostmaster",
    "email" : [ "hostmaster@richmond.edu" ],
    "phone" : [ "+1-804-289-8000" ],
    "source" : "https://rdap.arin.net/registry/entity/HOSTM256-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HOSTM256-ARIN",
    "name" : "hostmaster",
    "email" : [ "hostmaster@richmond.edu" ],
    "phone" : [ "+1-804-289-8000" ],
    "source" : "https://rdap.arin.net/registry/entity/HOSTM256-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7795	LUMOS Networks, Inc.	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS7795	LUMOS Networks, Inc.	US
AS3356	Level 3 Parent, LLC	US

Frequently Asked Questions

What is ASN AS20105?

ASN AS20105 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20105?

AS20105 is listed under University of Richmond.

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.