ASN AS19636 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19636?

AS19636 is listed under FORMFACTOR, 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.

AS19636 FORMFACTOR, INC | IPGeolocation.io

ASN Lookup Tool

FORMFACTOR, INC formfactor.com

US 1 Routes

AS Data

AS19636

AS19636 – FORMFACTOR, INC

AS Number	19636
AS Name	FORMFACTOR
Organization	FORMFACTOR, INC(formf-1)
Country	US
Website	formfactor.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-12-26

ASN Intelligence API for production workflows

Use ASN data for AS19636 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.85.244.0/23	AS19636	FORMFACTOR, INC	FORMFACTOR, INC	512

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:       19636
ASName:         FORMFACTOR
ASHandle:       AS19636
RegDate:        2007-12-26
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/19636


OrgName:        FORMFACTOR, INC
OrgId:          FORMF-1
Address:        7005 Southfront Rd.
City:           Livermore
StateProv:      CA
PostalCode:     94551
Country:        US
RegDate:        2003-03-20
Updated:        2008-01-03
Ref:            https://rdap.arin.net/registry/entity/FORMF-1


OrgAbuseHandle: DNSAD207-ARIN
OrgAbuseName:   dnsadmin
OrgAbusePhone:  +1-925-290-4999 
OrgAbuseEmail:  dnsadmin@formfactor.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD207-ARIN

OrgNOCHandle: DNSAD207-ARIN
OrgNOCName:   dnsadmin
OrgNOCPhone:  +1-925-290-4999 
OrgNOCEmail:  dnsadmin@formfactor.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DNSAD207-ARIN

OrgTechHandle: DNSAD207-ARIN
OrgTechName:   dnsadmin
OrgTechPhone:  +1-925-290-4999 
OrgTechEmail:  dnsadmin@formfactor.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD207-ARIN

RNOCHandle: DNSAD207-ARIN
RNOCName:   dnsadmin
RNOCPhone:  +1-925-290-4999 
RNOCEmail:  dnsadmin@formfactor.com
RNOCRef:    https://rdap.arin.net/registry/entity/DNSAD207-ARIN

RTechHandle: DNSAD207-ARIN
RTechName:   dnsadmin
RTechPhone:  +1-925-290-4999 
RTechEmail:  dnsadmin@formfactor.com
RTechRef:    https://rdap.arin.net/registry/entity/DNSAD207-ARIN

RAbuseHandle: DNSAD207-ARIN
RAbuseName:   dnsadmin
RAbusePhone:  +1-925-290-4999 
RAbuseEmail:  dnsadmin@formfactor.com
RAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD207-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US