What is ASN AS400496?

ASN AS400496 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400496?

AS400496 is listed under American Fiber Network, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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.

AS400496 American Fiber Network, Inc.

ASN Lookup Tool

American Fiber Network, Inc. forwardingplane.net

US 6 Routes

AS Data

AS400496

AS400496 – American Fiber Network, Inc.

AS Number	400496
AS Name	AMERICANFIBERNET
Organization	American Fiber Network, Inc.(afn-34)
Country	US
Website	forwardingplane.net
Number of IPv4 Routes	4
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2022-02-28

ASN Intelligence API for production workflows

Use ASN data for AS400496 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
203.23.161.0/24	AS400496	American Fiber Network, Inc.	Andrew John Howard	256
2602:fd4a::/36	AS400496	American Fiber Network, Inc.	American Fiber Network, Inc.	~5×10²⁷
23.163.113.0/24	AS400496	American Fiber Network, Inc.	American Fiber Network, Inc.	256
2602:fd4a::/32	AS400496	American Fiber Network, Inc.	American Fiber Network, Inc.	~79×10²⁷
162.255.13.0/24	AS400496	American Fiber Network, Inc.	American Fiber Network, Inc.	256
23.163.112.0/24	AS400496	American Fiber Network, Inc.	American Fiber Network, Inc.	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:       400496
ASName:         AMERICANFIBERNET
ASHandle:       AS400496
RegDate:        2022-02-28
Updated:        2022-02-28    
Ref:            https://rdap.arin.net/registry/autnum/400496


OrgName:        American Fiber Network, Inc.
OrgId:          AFN-34
Address:        111 N. Commercial Dr
City:           Teutopolis
StateProv:      IL
PostalCode:     62467
Country:        US
RegDate:        2020-01-29
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/AFN-34


OrgAbuseHandle: FORWA3-ARIN
OrgAbuseName:   ForwardingPlane-Tech
OrgAbusePhone:  +1-217-689-4254 
OrgAbuseEmail:  buraglio@forwardingplane.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FORWA3-ARIN

OrgRoutingHandle: FORWA3-ARIN
OrgRoutingName:   ForwardingPlane-Tech
OrgRoutingPhone:  +1-217-689-4254 
OrgRoutingEmail:  buraglio@forwardingplane.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/FORWA3-ARIN

OrgNOCHandle: FORWA3-ARIN
OrgNOCName:   ForwardingPlane-Tech
OrgNOCPhone:  +1-217-689-4254 
OrgNOCEmail:  buraglio@forwardingplane.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/FORWA3-ARIN

OrgTechHandle: FORWA3-ARIN
OrgTechName:   ForwardingPlane-Tech
OrgTechPhone:  +1-217-689-4254 
OrgTechEmail:  buraglio@forwardingplane.net
OrgTechRef:    https://rdap.arin.net/registry/entity/FORWA3-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
AS53610	Metro Communications Company, Inc.	US
AS7029	Windstream Communications LLC	US

Upstreams

AS Number	Description	Country
AS53610	Metro Communications Company, Inc.	US
AS7029	Windstream Communications LLC	US