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AS31991 Platte River Power Authority

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

Platte River Power Authority prpa.org

US 1 Routes

AS Data

AS31991

AS31991 – Platte River Power Authority

AS Number	31991
AS Name	PRPA
Organization	Platte River Power Authority(prpa-1)
Country	US
Website	prpa.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2004-02-05

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Use ASN data for AS31991 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
129.19.6.0/24	AS31991	Platte River Power Authority	Colorado State University	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:       31991
ASName:         PRPA
ASHandle:       AS31991
RegDate:        2004-02-05
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/31991


OrgName:        Platte River Power Authority
OrgId:          PRPA-1
Address:        2000 East Horsetooth Road
City:           Fort Collins
StateProv:      CO
PostalCode:     80525
Country:        US
RegDate:        2004-01-14
Updated:        2025-11-18
Ref:            https://rdap.arin.net/registry/entity/PRPA-1


OrgTechHandle: TUCKD3-ARIN
OrgTechName:   Tuck, Daniel 
OrgTechPhone:  +1-970-229-4825 
OrgTechEmail:  tuckd@prpa.org
OrgTechRef:    https://rdap.arin.net/registry/entity/TUCKD3-ARIN

OrgAbuseHandle: TUCKD3-ARIN
OrgAbuseName:   Tuck, Daniel 
OrgAbusePhone:  +1-970-229-4825 
OrgAbuseEmail:  tuckd@prpa.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TUCKD3-ARIN

OrgTechHandle: ISE16-ARIN
OrgTechName:   IT System Engineer
OrgTechPhone:  +1-970-266-7900 
OrgTechEmail:  DL-ITSysEng@prpa.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ISE16-ARIN

OrgAbuseHandle: ISE16-ARIN
OrgAbuseName:   IT System Engineer
OrgAbusePhone:  +1-970-266-7900 
OrgAbuseEmail:  DL-ITSysEng@prpa.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISE16-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
AS12145	Colorado State University	US

Upstreams

AS Number	Description	Country
AS12145	Colorado State University	US

Frequently Asked Questions

What is ASN AS31991?

ASN AS31991 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31991?

AS31991 is listed under Platte River Power Authority.

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.