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AS400947 Shannon Medical Center

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

Shannon Medical Center shannonhealth.org

US 1 Routes

AS Data

AS400947

AS400947 – Shannon Medical Center

AS Number	400947
AS Name	SMC-ASN
Organization	Shannon Medical Center(smc-560)
Country	US
Website	shannonhealth.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2024-04-03

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Use ASN data for AS400947 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.76.173.0/24	AS400947	Shannon Medical Center	Optimum	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:       400947
ASName:         SMC-ASN
ASHandle:       AS400947
RegDate:        2024-04-03
Updated:        2024-04-03    
Ref:            https://rdap.arin.net/registry/autnum/400947


OrgName:        Shannon Medical Center
OrgId:          SMC-560
Address:        120 E. Harris Ave.
City:           San Angelo
StateProv:      TX
PostalCode:     76903
Country:        US
RegDate:        2024-01-19
Updated:        2024-03-21
Ref:            https://rdap.arin.net/registry/entity/SMC-560


OrgTechHandle: FRAUS6-ARIN
OrgTechName:   Frausto, Manuel 
OrgTechPhone:  +1-325-747-8639 
OrgTechEmail:  manuelfrausto@shannonhealth.org
OrgTechRef:    https://rdap.arin.net/registry/entity/FRAUS6-ARIN

OrgAbuseHandle: FRAUS6-ARIN
OrgAbuseName:   Frausto, Manuel 
OrgAbusePhone:  +1-325-747-8639 
OrgAbuseEmail:  manuelfrausto@shannonhealth.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FRAUS6-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
AS19108	Optimum	US
AS32505	Conterra	US

Upstreams

AS Number	Description	Country
AS19108	Optimum	US
AS32505	Conterra	US

Frequently Asked Questions

What is ASN AS400947?

ASN AS400947 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400947?

AS400947 is listed under Shannon Medical Center.

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.