What is ASN AS400517?

ASN AS400517 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400517?

AS400517 is listed under Linespeed.

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.

AS400517 Linespeed | IPGeolocation.io

ASN Lookup Tool

Linespeed linespeed.io

US 2 Routes

AS Data

AS400517

AS400517 – Linespeed

AS Number	400517
AS Name	LINESPEED
Organization	Linespeed(lel-77)
Country	US
Website	linespeed.io
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2022-03-09

ASN Intelligence API for production workflows

Use ASN data for AS400517 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.133.184.0/24	AS400517	Linespeed	Linespeed	256
2602:fba9::/40	AS400517	Linespeed	Linespeed	~309×10²⁴

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:       400517
ASName:         LINESPEED
ASHandle:       AS400517
RegDate:        2022-03-09
Updated:        2025-05-27    
Ref:            https://rdap.arin.net/registry/autnum/400517


OrgName:        Linespeed
OrgId:          LEL-77
Address:        10 Old Lyme Road
City:           Pittsford
StateProv:      NY
PostalCode:     14534
Country:        US
RegDate:        2022-02-23
Updated:        2022-03-03
Ref:            https://rdap.arin.net/registry/entity/LEL-77


OrgRoutingHandle: REILL116-ARIN
OrgRoutingName:   Reilly, Con 
OrgRoutingPhone:  +1-714-833-7230 
OrgRoutingEmail:  con@linespeed.io
OrgRoutingRef:    https://rdap.arin.net/registry/entity/REILL116-ARIN

OrgTechHandle: REILL116-ARIN
OrgTechName:   Reilly, Con 
OrgTechPhone:  +1-714-833-7230 
OrgTechEmail:  con@linespeed.io
OrgTechRef:    https://rdap.arin.net/registry/entity/REILL116-ARIN

OrgAbuseHandle: REILL116-ARIN
OrgAbuseName:   Reilly, Con 
OrgAbusePhone:  +1-714-833-7230 
OrgAbuseEmail:  con@linespeed.io
OrgAbuseRef:    https://rdap.arin.net/registry/entity/REILL116-ARIN

OrgDNSHandle: REILL116-ARIN
OrgDNSName:   Reilly, Con 
OrgDNSPhone:  +1-714-833-7230 
OrgDNSEmail:  con@linespeed.io
OrgDNSRef:    https://rdap.arin.net/registry/entity/REILL116-ARIN

OrgNOCHandle: REILL116-ARIN
OrgNOCName:   Reilly, Con 
OrgNOCPhone:  +1-714-833-7230 
OrgNOCEmail:  con@linespeed.io
OrgNOCRef:    https://rdap.arin.net/registry/entity/REILL116-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
AS33490	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33490	Comcast Cable Communications, LLC	US