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.

AS398030 ATF, INC. | 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

ATF, INC. atf-inc.com

US 1 Routes

AS Data

AS398030

AS398030 – ATF, INC.

AS Number	398030
AS Name	ATFBGP-LIN
Organization	ATF, INC.(atfin-6)
Country	US
Website	atf-inc.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-10-09

ASN Intelligence API for production workflows

Use ASN data for AS398030 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
50.231.45.0/24	AS398030	ATF, INC.	Comcast Cable Communications, LLC	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:       398030
ASName:         ATFBGP-LIN
ASHandle:       AS398030
RegDate:        2019-10-09
Updated:        2019-10-09    
Ref:            https://rdap.arin.net/registry/autnum/398030


OrgName:        ATF, INC.
OrgId:          ATFIN-6
Address:        3550 W. Pratt
City:           Lincolnwood
StateProv:      IL
PostalCode:     60712
Country:        US
RegDate:        2016-04-19
Updated:        2016-04-19
Ref:            https://rdap.arin.net/registry/entity/ATFIN-6


OrgAbuseHandle: TUREK11-ARIN
OrgAbuseName:   Turek, Robin 
OrgAbusePhone:  +1-847-933-8560 
OrgAbuseEmail:  rturek@atf-inc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TUREK11-ARIN

OrgTechHandle: TUREK11-ARIN
OrgTechName:   Turek, Robin 
OrgTechPhone:  +1-847-933-8560 
OrgTechEmail:  rturek@atf-inc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TUREK11-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
AS33491	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS398030?

ASN AS398030 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398030?

AS398030 is listed under ATF, INC..

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.