ASN AS12133 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS12133?

AS12133 is listed under Local Internet Service Company.

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.

AS12133 Local Internet Service Company

ASN Lookup Tool

Local Internet Service Company lisco.com

US 2 Routes

AS Data

AS12133

AS12133 – Local Internet Service Company

AS Number	12133
AS Name	LISCO
Organization	Local Internet Service Company(lsco)
Country	US
Website	lisco.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	1999-03-31

ASN Intelligence API for production workflows

Use ASN data for AS12133 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
76.76.224.0/20	AS12133	Local Internet Service Company	Local Internet Service Company	4096
69.18.0.0/18	AS12133	Local Internet Service Company	Local Internet Service Company	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:       12133
ASName:         LISCO
ASHandle:       AS12133
RegDate:        1999-03-31
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/12133


OrgName:        Local Internet Service Company
OrgId:          LSCO
Address:        607 West Broadway, Suite 101
City:           Fairfield
StateProv:      IA
PostalCode:     52556
Country:        US
RegDate:        1999-03-31
Updated:        2021-06-01
Ref:            https://rdap.arin.net/registry/entity/LSCO


OrgTechHandle: LAR12-ARIN
OrgTechName:   LISCO Abuse Report
OrgTechPhone:  +1-641-209-5400 
OrgTechEmail:  abuse@lisco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LAR12-ARIN

OrgAbuseHandle: LAR12-ARIN
OrgAbuseName:   LISCO Abuse Report
OrgAbusePhone:  +1-641-209-5400 
OrgAbuseEmail:  abuse@lisco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAR12-ARIN

RTechHandle: LY14-ARIN
RTechName:   YEDERSBERGER, LANC 
RTechPhone:  +1-515-472-5400 
RTechEmail:  LANCE@lisco.com
RTechRef:    https://rdap.arin.net/registry/entity/LY14-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
AS1239	Cogent Communications, LLC	US
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS36634	Great River Health Systems, Inc.	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS36634	Great River Health Systems, Inc.	US

Legacy Routes

63.162.80.0/20