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AS21623 Spacelink Systems | IPGeolocation.io

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

Spacelink Systems spacelink.com

US 4 Routes

AS Data

AS21623

AS21623 – Spacelink Systems

AS Number	21623
AS Name	SPACELINK
Organization	Spacelink Systems(i2bne-1)
Country	US
Website	spacelink.com
Number of IPv4 Routes	3
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2001-05-31

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Use ASN data for AS21623 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2604:3200::/32	AS21623	Spacelink Systems	Spacelink Systems	~79×10²⁷
66.181.0.0/19	AS21623	Spacelink Systems	Spacelink, Inc	8192
65.50.224.0/19	AS21623	Spacelink Systems	Spacelink, Inc	8192
66.181.22.0/24	AS21623	Spacelink Systems	Spacelink, Inc	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:       21623
ASName:         SPACELINK
ASHandle:       AS21623
RegDate:        2001-05-31
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/21623


OrgName:        Spacelink Systems
OrgId:          I2BNE-1
Address:        8830 Complex Dr
City:           San Diego
StateProv:      CA
PostalCode:     92123
Country:        US
RegDate:        2010-02-17
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/I2BNE-1


OrgTechHandle: JF983-ARIN
OrgTechName:   Fitzgerald, Jim 
OrgTechPhone:  +1-858-715-8500 
OrgTechEmail:  jfitz@spacelink.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JF983-ARIN

OrgAbuseHandle: JF983-ARIN
OrgAbuseName:   Fitzgerald, Jim 
OrgAbusePhone:  +1-858-715-8500 
OrgAbuseEmail:  jfitz@spacelink.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JF983-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
AS1299	Arelion Sweden AB	SE
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS21623?

ASN AS21623 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21623?

AS21623 is listed under Spacelink Systems.

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.