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.

AS399986 St. Peter's Health | 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

St. Peter's Health sphealth.org

US 1 Routes

AS Data

AS399986

AS399986 – St. Peter's Health

AS Number	399986
AS Name	SPH-HELENA-MT-01
Organization	St. Peter's Health(sph-56)
Country	US
Website	sphealth.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-08-25

ASN Intelligence API for production workflows

Use ASN data for AS399986 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
208.99.47.0/24	AS399986	St. Peters Health	St. Peter's Health	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:       399986
ASName:         SPH-HELENA-MT-01
ASHandle:       AS399986
RegDate:        2021-08-25
Updated:        2021-08-25    
Ref:            https://rdap.arin.net/registry/autnum/399986


OrgName:        St. Peter's Health
OrgId:          SPH-56
Address:        2475 E Broadway Street
City:           Helena
StateProv:      MT
PostalCode:     59601
Country:        US
RegDate:        2021-07-26
Updated:        2025-08-07
Ref:            https://rdap.arin.net/registry/entity/SPH-56


OrgTechHandle: PJA55-ARIN
OrgTechName:   Atherton, Parris Jacob
OrgTechPhone:  +1-406-495-6525 
OrgTechEmail:  patherton@sphealth.org
OrgTechRef:    https://rdap.arin.net/registry/entity/PJA55-ARIN

OrgAbuseHandle: RICKE98-ARIN
OrgAbuseName:   Ricketts, Brandon 
OrgAbusePhone:  +1-406-495-6523 
OrgAbuseEmail:  bricketts@sphealth.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RICKE98-ARIN

OrgAbuseHandle: PJA55-ARIN
OrgAbuseName:   Atherton, Parris Jacob
OrgAbusePhone:  +1-406-495-6525 
OrgAbuseEmail:  patherton@sphealth.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PJA55-ARIN

OrgTechHandle: RICKE98-ARIN
OrgTechName:   Ricketts, Brandon 
OrgTechPhone:  +1-406-495-6523 
OrgTechEmail:  bricketts@sphealth.org
OrgTechRef:    https://rdap.arin.net/registry/entity/RICKE98-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
AS4043	Montana Internet Corporation	US

Upstreams

AS Number	Description	Country
AS4043	Montana Internet Corporation	US

Frequently Asked Questions

What is ASN AS399986?

ASN AS399986 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399986?

AS399986 is listed under St. Peter's Health.

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.