ASN AS26805 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26805?

AS26805 is listed under Federal Home Loan Bank of San Francisco.

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.

AS26805 Federal Home Loan Bank of San Francisco

ASN Lookup Tool

Federal Home Loan Bank of San Francisco fhlbsf.com

US 3 Routes

AS Data

AS26805

AS26805 – Federal Home Loan Bank of San Francisco

AS Number	26805
AS Name	FHLBSF
Organization	Federal Home Loan Bank of San Francisco(fhlbsf)
Country	US
Website	fhlbsf.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2002-11-22

ASN Intelligence API for production workflows

Use ASN data for AS26805 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.126.124.0/24	AS26805	Federal Home Loan Bank of San Francisco	Federal Home Loan Bank of San Francisco	256
204.126.125.0/24	AS26805	Federal Home Loan Bank of San Francisco	Federal Home Loan Bank of San Francisco	256
64.129.227.0/24	AS26805	Federal Home Loan Bank of San Francisco	Federal Home Loan Bank of San Francisco	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:       26805
ASName:         FHLBSF
ASHandle:       AS26805
RegDate:        2002-11-22
Updated:        2018-07-31    
Ref:            https://rdap.arin.net/registry/autnum/26805


OrgName:        Federal Home Loan Bank of San Francisco
OrgId:          FHLBSF
Address:        333 Bush Street
City:           San Francisco
StateProv:      CA
PostalCode:     94104
Country:        US
RegDate:        1994-12-27
Updated:        2019-11-18
Ref:            https://rdap.arin.net/registry/entity/FHLBSF


OrgTechHandle: FNT4-ARIN
OrgTechName:   FHLBSF Network Team
OrgTechPhone:  +1-415-616-2828 
OrgTechEmail:  tsstisnetwork@fhlbsf.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FNT4-ARIN

OrgNOCHandle: FNT4-ARIN
OrgNOCName:   FHLBSF Network Team
OrgNOCPhone:  +1-415-616-2828 
OrgNOCEmail:  tsstisnetwork@fhlbsf.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/FNT4-ARIN

OrgAbuseHandle: FNT4-ARIN
OrgAbuseName:   FHLBSF Network Team
OrgAbusePhone:  +1-415-616-2828 
OrgAbuseEmail:  tsstisnetwork@fhlbsf.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FNT4-ARIN

RNOCHandle: FNT4-ARIN
RNOCName:   FHLBSF Network Team
RNOCPhone:  +1-415-616-2828 
RNOCEmail:  tsstisnetwork@fhlbsf.com
RNOCRef:    https://rdap.arin.net/registry/entity/FNT4-ARIN

RAbuseHandle: FNT4-ARIN
RAbuseName:   FHLBSF Network Team
RAbusePhone:  +1-415-616-2828 
RAbuseEmail:  tsstisnetwork@fhlbsf.com
RAbuseRef:    https://rdap.arin.net/registry/entity/FNT4-ARIN

RTechHandle: FNT4-ARIN
RTechName:   FHLBSF Network Team
RTechPhone:  +1-415-616-2828 
RTechEmail:  tsstisnetwork@fhlbsf.com
RTechRef:    https://rdap.arin.net/registry/entity/FNT4-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
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US