ASN AS16643 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16643?

AS16643 is listed under Virginia Commonwealth University.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

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AS16643 Virginia Commonwealth University

ASN Lookup Tool

Virginia Commonwealth University vcu.edu

US 4 Routes

AS Data

AS16643

AS16643 – Virginia Commonwealth University

AS Number	16643
AS Name	VCU-ASN1
Organization	Virginia Commonwealth University (vcu)
Country	US
Website	vcu.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2000-05-30

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
128.172.64.0/18	AS16643	Virginia Commonwealth University	Virginia Commonwealth University	16384
128.172.0.0/18	AS16643	Virginia Commonwealth University	Virginia Commonwealth University	16384
128.172.192.0/18	AS16643	Virginia Commonwealth University	Virginia Commonwealth University	16384
128.172.128.0/18	AS16643	Virginia Commonwealth University	Virginia Commonwealth University	16384

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:       16643
ASName:         VCU-ASN1
ASHandle:       AS16643
RegDate:        2000-05-30
Updated:        2025-03-06
Ref:            https://rdap.arin.net/registry/autnum/16643


OrgName:        Virginia Commonwealth University
OrgId:          VCU
Address:        707 West Broad Street
Address:        PO Box 843059
City:           Richmond
StateProv:      VA
PostalCode:     23284
Country:        US
RegDate:        1986-10-21
Updated:        2026-03-05
Ref:            https://rdap.arin.net/registry/entity/VCU


OrgAbuseHandle: JAC487-ARIN
OrgAbuseName:   Craig, J Adam
OrgAbusePhone:  +1-804-828-4886 
OrgAbuseEmail:  jacraig@vcu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JAC487-ARIN

OrgTechHandle: PATEL2882-ARIN
OrgTechName:   Patel, Kush 
OrgTechPhone:  +1-804-827-0627 
OrgTechEmail:  patelkr2@vcu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

OrgAbuseHandle: LAMMD7-ARIN
OrgAbuseName:   Lamm, David 
OrgAbusePhone:  +1-804-828-3909 
OrgAbuseEmail:  lammd2@vcu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

OrgNOCHandle: PATEL2882-ARIN
OrgNOCName:   Patel, Kush 
OrgNOCPhone:  +1-804-827-0627 
OrgNOCEmail:  patelkr2@vcu.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

OrgTechHandle: LAMMD7-ARIN
OrgTechName:   Lamm, David 
OrgTechPhone:  +1-804-828-3909 
OrgTechEmail:  lammd2@vcu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

OrgNOCHandle: LAMMD7-ARIN
OrgNOCName:   Lamm, David 
OrgNOCPhone:  +1-804-828-3909 
OrgNOCEmail:  lammd2@vcu.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

OrgDNSHandle: JAC487-ARIN
OrgDNSName:   Craig, J Adam
OrgDNSPhone:  +1-804-828-4886 
OrgDNSEmail:  jacraig@vcu.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/JAC487-ARIN

OrgAbuseHandle: PATEL2882-ARIN
OrgAbuseName:   Patel, Kush 
OrgAbusePhone:  +1-804-827-0627 
OrgAbuseEmail:  patelkr2@vcu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

OrgTechHandle: JAC487-ARIN
OrgTechName:   Craig, J Adam
OrgTechPhone:  +1-804-828-4886 
OrgTechEmail:  jacraig@vcu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/JAC487-ARIN

OrgDNSHandle: LAMMD7-ARIN
OrgDNSName:   Lamm, David 
OrgDNSPhone:  +1-804-828-3909 
OrgDNSEmail:  lammd2@vcu.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

OrgDNSHandle: PATEL2882-ARIN
OrgDNSName:   Patel, Kush 
OrgDNSPhone:  +1-804-827-0627 
OrgDNSEmail:  patelkr2@vcu.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

OrgRoutingHandle: PATEL2882-ARIN
OrgRoutingName:   Patel, Kush 
OrgRoutingPhone:  +1-804-827-0627 
OrgRoutingEmail:  patelkr2@vcu.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

OrgRoutingHandle: LAMMD7-ARIN
OrgRoutingName:   Lamm, David 
OrgRoutingPhone:  +1-804-828-3909 
OrgRoutingEmail:  lammd2@vcu.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

RNOCHandle: LAMMD7-ARIN
RNOCName:   Lamm, David 
RNOCPhone:  +1-804-828-3909 
RNOCEmail:  lammd2@vcu.edu
RNOCRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

RTechHandle: LAMMD7-ARIN
RTechName:   Lamm, David 
RTechPhone:  +1-804-828-3909 
RTechEmail:  lammd2@vcu.edu
RTechRef:    https://rdap.arin.net/registry/entity/LAMMD7-ARIN

RNOCHandle: PATEL2882-ARIN
RNOCName:   Patel, Kush 
RNOCPhone:  +1-804-827-0627 
RNOCEmail:  patelkr2@vcu.edu
RNOCRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

RAbuseHandle: PATEL2882-ARIN
RAbuseName:   Patel, Kush 
RAbusePhone:  +1-804-827-0627 
RAbuseEmail:  patelkr2@vcu.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

RTechHandle: PATEL2882-ARIN
RTechName:   Patel, Kush 
RTechPhone:  +1-804-827-0627 
RTechEmail:  patelkr2@vcu.edu
RTechRef:    https://rdap.arin.net/registry/entity/PATEL2882-ARIN

RAbuseHandle: LAMMD7-ARIN
RAbuseName:   Lamm, David 
RAbusePhone:  +1-804-828-3909 
RAbuseEmail:  lammd2@vcu.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/LAMMD7-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" : "16643",
    "as_handle" : "AS16643",
    "as_name" : "VCU-ASN1",
    "admin_contacts" : [ "JAC487-ARIN", "LAMMD7-ARIN", "PATEL2882-ARIN" ],
    "tech_contacts" : [ "PATEL2882-ARIN", "LAMMD7-ARIN", "JAC487-ARIN", "PATEL2882-ARIN", "LAMMD7-ARIN", "LAMMD7-ARIN", "PATEL2882-ARIN" ],
    "abuse_contacts" : [ "JAC487-ARIN", "LAMMD7-ARIN", "PATEL2882-ARIN", "PATEL2882-ARIN", "LAMMD7-ARIN" ],
    "date_created" : "2000-05-30",
    "date_updated" : "2025-03-06",
    "source" : "https://rdap.arin.net/registry/autnum/16643"
  } ],
  "organization" : {
    "handle" : "VCU",
    "name" : "Virginia Commonwealth University",
    "address" : [ "707 West Broad Street", "PO Box 843059", "Richmond", "VA", "23284", "US" ],
    "street" : "West Broad Street",
    "city" : "Richmond",
    "state" : "VA",
    "zip_code" : "23284",
    "country" : [ "US" ],
    "date_created" : "1986-10-21",
    "date_updated" : "2026-03-05",
    "source" : "https://rdap.arin.net/registry/entity/VCU",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "JAC487-ARIN",
    "name" : "Craig, J Adam",
    "email" : [ "jacraig@vcu.edu" ],
    "phone" : [ "+1-804-828-4886" ],
    "source" : "https://rdap.arin.net/registry/entity/JAC487-ARIN"
  }, {
    "handle" : "LAMMD7-ARIN",
    "name" : "Lamm, David",
    "email" : [ "lammd2@vcu.edu" ],
    "phone" : [ "+1-804-828-3909" ],
    "source" : "https://rdap.arin.net/registry/entity/LAMMD7-ARIN"
  }, {
    "handle" : "PATEL2882-ARIN",
    "name" : "Patel, Kush",
    "email" : [ "patelkr2@vcu.edu" ],
    "phone" : [ "+1-804-827-0627" ],
    "source" : "https://rdap.arin.net/registry/entity/PATEL2882-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "PATEL2882-ARIN",
    "name" : "Patel, Kush",
    "email" : [ "patelkr2@vcu.edu" ],
    "phone" : [ "+1-804-827-0627" ],
    "source" : "https://rdap.arin.net/registry/entity/PATEL2882-ARIN"
  }, {
    "handle" : "LAMMD7-ARIN",
    "name" : "Lamm, David",
    "email" : [ "lammd2@vcu.edu" ],
    "phone" : [ "+1-804-828-3909" ],
    "source" : "https://rdap.arin.net/registry/entity/LAMMD7-ARIN"
  }, {
    "handle" : "JAC487-ARIN",
    "name" : "Craig, J Adam",
    "email" : [ "jacraig@vcu.edu" ],
    "phone" : [ "+1-804-828-4886" ],
    "source" : "https://rdap.arin.net/registry/entity/JAC487-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JAC487-ARIN",
    "name" : "Craig, J Adam",
    "email" : [ "jacraig@vcu.edu" ],
    "phone" : [ "+1-804-828-4886" ],
    "source" : "https://rdap.arin.net/registry/entity/JAC487-ARIN"
  }, {
    "handle" : "LAMMD7-ARIN",
    "name" : "Lamm, David",
    "email" : [ "lammd2@vcu.edu" ],
    "phone" : [ "+1-804-828-3909" ],
    "source" : "https://rdap.arin.net/registry/entity/LAMMD7-ARIN"
  }, {
    "handle" : "PATEL2882-ARIN",
    "name" : "Patel, Kush",
    "email" : [ "patelkr2@vcu.edu" ],
    "phone" : [ "+1-804-827-0627" ],
    "source" : "https://rdap.arin.net/registry/entity/PATEL2882-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS40220	Virginia Polytechnic Institute and State Univ.	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS40220	Virginia Polytechnic Institute and State Univ.	US
AS3356	Level 3 Parent, LLC	US