ASN Lookup Tool

The RAND Corporation rand.org US US 10 Routes

AS Data

AS21

AS21The RAND Corporation

AS Number 21
AS Name RAND
Organization The RAND Corporation(theran-z)
Country US
Website rand.org
Number of IPv4 Routes 10
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 1984-07-30

ASN Intelligence API for production workflows

Use ASN data for AS21 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
130.154.33.0/24 256
130.154.1.0/24 256
130.154.0.0/24 256
130.154.11.0/24 256
166.67.240.0/24 256
130.154.30.0/24 256
192.5.14.0/24 256
130.154.111.0/24 256
130.154.3.0/24 256
130.154.113.0/24 256

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:       21
ASName:         RAND
ASHandle:       AS21
RegDate:        1984-07-30
Updated:        2021-03-23    
Ref:            https://rdap.arin.net/registry/autnum/21


OrgName:        The RAND Corporation
OrgId:          THERAN-Z
Address:        1776 Main St.
City:           Santa Monica
StateProv:      CA
PostalCode:     90407-2138
Country:        US
RegDate:        2021-03-08
Updated:        2021-03-08
Ref:            https://rdap.arin.net/registry/entity/THERAN-Z


OrgAbuseHandle: ZT72-ARIN
OrgAbuseName:   The RAND Corporation
OrgAbusePhone:  +1-310-393-0411 
OrgAbuseEmail:  Whois_Admins@rand.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZT72-ARIN

OrgTechHandle: ZT72-ARIN
OrgTechName:   The RAND Corporation
OrgTechPhone:  +1-310-393-0411 
OrgTechEmail:  Whois_Admins@rand.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ZT72-ARIN

RTechHandle: ZT72-ARIN
RTechName:   The RAND Corporation
RTechPhone:  +1-310-393-0411 
RTechEmail:  Whois_Admins@rand.org
RTechRef:    https://rdap.arin.net/registry/entity/ZT72-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

Peers

AS Number Description Country
AS7046 Verizon Business US
AS46887 Crown Castle Fiber LLC US
AS5650 Frontier Communications of America, Inc. US
AS7016 Comcast Cable Communications, LLC US

Upstreams

AS Number Description Country
AS7046 Verizon Business US
AS46887 Crown Castle Fiber LLC US
AS5650 Frontier Communications of America, Inc. US
AS7016 Comcast Cable Communications, LLC US

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Frequently Asked Questions

ASN AS21 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21 is listed under The RAND Corporation.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.