ASN AS21646 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21646?

AS21646 is listed under Fisher Investments 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.

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AS21646 Fisher Investments Inc.

ASN Lookup Tool

Fisher Investments Inc. fi.com

US 13 Routes

AS Data

AS21646

AS21646 – Fisher Investments Inc.

AS Number	21646
AS Name	FISHER
Organization	Fisher Investments Inc.(fisher-57)
Country	US
Website	fi.com
Number of IPv4 Routes	13
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-06-04

ASN Intelligence API for production workflows

Use ASN data for AS21646 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
8.47.20.0/24	AS21646	Fisher Investments Inc.	Fisher Investments Inc.	256
63.156.165.0/24	AS21646	Fisher Investments Inc.	FISHER INVESTMENTS	256
63.159.249.0/24	AS21646	Fisher Investments Inc.	Fisher Investments Inc.	256
63.151.180.0/24	AS21646	Fisher Investments Inc.	FISHER INVESTMENTS	256
204.107.250.0/24	AS21646	Fisher Investments Inc.	Fisher Investments Inc.	256
207.214.127.0/24	AS21646	Fisher Investments Inc.	Fisher Investments	256
207.210.64.0/24	AS21646	Fisher Investments Inc.	Fisher Investments Inc.	256
207.210.73.0/24	AS21646	Fisher Investments Inc.	Fisher Investments Inc.	256
172.87.40.0/24	AS21646	Fisher Investments Inc.	Fisher Investments Inc.	256
207.210.70.0/24	AS21646	Fisher Investments Inc.	Fisher Investments 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:       21646
ASName:         FISHER
ASHandle:       AS21646
RegDate:        2001-06-04
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/21646


OrgName:        Fisher Investments Inc.
OrgId:          FISHER-57
Address:        13100 Skyline Blvd.
City:           Woodside
StateProv:      CA
PostalCode:     94062
Country:        US
RegDate:        2001-06-04
Updated:        2026-02-12
Ref:            https://rdap.arin.net/registry/entity/FISHER-57


OrgAbuseHandle: JAW71-ARIN
OrgAbuseName:   Wolfe, Jon August
OrgAbusePhone:  +1-469-718-4716 
OrgAbuseEmail:  jo.wolfe@fi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JAW71-ARIN

OrgTechHandle: ZF56-ARIN
OrgTechName:   Fisher Investments Inc
OrgTechPhone:  +1-415-851-6314 
OrgTechEmail:  s.wai@fi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZF56-ARIN

OrgTechHandle: LEEJO123-ARIN
OrgTechName:   Lee, Joseph 
OrgTechPhone:  +1-650-350-3423 
OrgTechEmail:  jose.lee@fi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEEJO123-ARIN

OrgAbuseHandle: ZF56-ARIN
OrgAbuseName:   Fisher Investments Inc
OrgAbusePhone:  +1-415-851-6314 
OrgAbuseEmail:  s.wai@fi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZF56-ARIN

OrgTechHandle: JAW71-ARIN
OrgTechName:   Wolfe, Jon August
OrgTechPhone:  +1-469-718-4716 
OrgTechEmail:  jo.wolfe@fi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JAW71-ARIN

OrgTechHandle: POPOV33-ARIN
OrgTechName:   Popov, Val 
OrgTechPhone:  +1-360-835-4300 
OrgTechEmail:  v.popov@fi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/POPOV33-ARIN

RTechHandle: ZF56-ARIN
RTechName:   Fisher Investments Inc
RTechPhone:  +1-415-851-6314 
RTechEmail:  s.wai@fi.com
RTechRef:    https://rdap.arin.net/registry/entity/ZF56-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
AS7018	AT&T Enterprises, LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3549	Level 3 Parent, LLC	US
AS262197	MILLICOM CABLE COSTA RICA S.A.	CR
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS3549	Level 3 Parent, LLC	US
AS262197	MILLICOM CABLE COSTA RICA S.A.	CR
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US