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.

AS397903 Springcom | 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

Springcom cniteam.com

US 3 Routes

AS Data

AS397903

AS397903 – Springcom

AS Number	397903
AS Name	SPRINGCOM-01
Organization	Springcom(sprin-146)
Country	US
Website	cniteam.com
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2019-09-04

ASN Intelligence API for production workflows

Use ASN data for AS397903 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
172.83.249.0/24	AS397903	Springcom	Springcom	256
137.220.8.0/21	AS397903	Springcom	Springcom	2048
2607:5040::/32	AS397903	Springcom	Springcom	~79×10²⁷

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:       397903
ASName:         SPRINGCOM-01
ASHandle:       AS397903
RegDate:        2019-09-04
Updated:        2019-09-04    
Ref:            https://rdap.arin.net/registry/autnum/397903


OrgName:        Springcom
OrgId:          SPRIN-146
Address:        400 E. Main St.
Address:        PO Box 208
City:           Springport
StateProv:      MI
PostalCode:     49284
Country:        US
RegDate:        2018-04-10
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/SPRIN-146


OrgTechHandle: NOC2367-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-419-739-3165 
OrgTechEmail:  noc@cniteam.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN

OrgTechHandle: BEILF-ARIN
OrgTechName:   Beilfuss, Janet 
OrgTechPhone:  +1-517-857-3100 
OrgTechEmail:  jsbeilfuss@gmail.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEILF-ARIN

OrgAbuseHandle: BEILF-ARIN
OrgAbuseName:   Beilfuss, Janet 
OrgAbusePhone:  +1-517-857-3100 
OrgAbuseEmail:  jsbeilfuss@gmail.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BEILF-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
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS397903?

ASN AS397903 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397903?

AS397903 is listed under Springcom.

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.