ASN AS21632 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21632?

AS21632 is listed under Cybernet1.

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?

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.

AS21632 Cybernet1 | IPGeolocation.io

ASN Lookup Tool

Cybernet1 grizzlybb.com

US 12 Routes

AS Data

AS21632

AS21632 – Cybernet1

AS Number	21632
AS Name	CYBERNET1
Organization	Cybernet1 (gbl-53)
Country	US
Website	grizzlybb.com
Number of IPv4 Routes	12
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2012-01-12

ASN Intelligence API for production workflows

Use ASN data for AS21632 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
66.62.93.0/24	AS21632	Cybernet1	Cybernet	256
66.62.113.0/24	AS21632	Cybernet1	Cybernet	256
66.62.166.0/24	AS21632	Cybernet1	Cybernet	256
216.166.148.0/24	AS21632	Cybernet1	Cybernet	256
108.174.112.0/20	AS21632	Cybernet1	Cybernet	4096
66.62.89.0/24	AS21632	Cybernet1	Cybernet	256
66.62.122.0/24	AS21632	Cybernet1	Cybernet	256
66.62.121.0/24	AS21632	Cybernet1	Cybernet	256
66.62.95.0/24	AS21632	Cybernet1	Cybernet	256
66.62.126.0/24	AS21632	Cybernet1	Cybernet	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:       21632
ASName:         CYBERNET1
ASHandle:       AS21632
RegDate:        2012-01-12
Updated:        2018-03-22
Ref:            https://rdap.arin.net/registry/autnum/21632


OrgName:        Cybernet1
OrgId:          GBL-53
Address:        222 N 2nd St
City:           Hamilton
StateProv:      MT
PostalCode:     59840
Country:        US
RegDate:        2018-02-21
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/GBL-53


OrgAbuseHandle: ABUSE8442-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-406-363-2183 
OrgAbuseEmail:  abuse@grizzlybb.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8442-ARIN

OrgNOCHandle: PALAC25-ARIN
OrgNOCName:   Palacek, Christian 
OrgNOCPhone:  +1-406-363-2183 
OrgNOCEmail:  christian@grizzlybb.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/PALAC25-ARIN

OrgTechHandle: PALAC25-ARIN
OrgTechName:   Palacek, Christian 
OrgTechPhone:  +1-406-363-2183 
OrgTechEmail:  christian@grizzlybb.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PALAC25-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" : "21632",
    "as_handle" : "AS21632",
    "as_name" : "CYBERNET1",
    "tech_contacts" : [ "PALAC25-ARIN" ],
    "abuse_contacts" : [ "ABUSE8442-ARIN" ],
    "date_created" : "2012-01-12",
    "date_updated" : "2018-03-22",
    "source" : "https://rdap.arin.net/registry/autnum/21632"
  } ],
  "organization" : {
    "handle" : "GBL-53",
    "name" : "Cybernet1",
    "address" : [ "222 N 2nd St", "Hamilton", "MT", "59840", "US" ],
    "street" : "N 2nd St",
    "city" : "Hamilton",
    "state" : "MT",
    "zip_code" : "59840",
    "country" : [ "US" ],
    "date_created" : "2018-02-21",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/GBL-53",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "PALAC25-ARIN",
    "name" : "Palacek, Christian",
    "email" : [ "christian@grizzlybb.com" ],
    "phone" : [ "+1-406-363-2183" ],
    "source" : "https://rdap.arin.net/registry/entity/PALAC25-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE8442-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@grizzlybb.com" ],
    "phone" : [ "+1-406-363-2183" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE8442-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS401703	Ordinal Advisors LLC	US
AS9002	RETN Limited	GB
AS34927	iFog GmbH	CH
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US
AS4474	TCT West, Inc.	US
AS3701	University of Oregon	US
AS205329	Kai-Jung Chen	TW