ASN AS4243 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4243?

AS4243 is listed under Wells Fargo Bank, N.A..

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.

AS4243 Wells Fargo Bank, N.A.

ASN Lookup Tool

Wells Fargo Bank, N.A. wellsfargo.com

US 14 Routes

AS Data

AS4243

AS4243 – Wells Fargo Bank, N.A.

AS Number	4243
AS Name	WELLSFARGO-4243
Organization	Wells Fargo Bank, N.A. (wfbn)
Country	US
Website	wellsfargo.com
Number of IPv4 Routes	14
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1995-01-11

ASN Intelligence API for production workflows

Use ASN data for AS4243 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
171.72.213.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo Bank, N.A.	256
171.72.218.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo Bank, N.A.	256
204.154.226.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo India Solutions Pvt Ltd	256
204.154.224.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo India Solutions Pvt Ltd	256
204.154.226.0/23	AS4243	Wells Fargo Bank, N.A.	Wells Fargo India Solutions Pvt Ltd	512
204.154.224.0/23	AS4243	Wells Fargo Bank, N.A.	Wells Fargo India Solutions Pvt Ltd	512
171.72.215.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo Bank, N.A.	256
204.154.225.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo India Solutions Pvt Ltd	256
171.72.219.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo Bank, N.A.	256
171.72.208.0/24	AS4243	Wells Fargo Bank, N.A.	Wells Fargo Bank, N.A.	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:       4243
ASName:         WELLSFARGO-4243
ASHandle:       AS4243
RegDate:        1995-01-11
Updated:        2025-11-04
Ref:            https://rdap.arin.net/registry/autnum/4243


OrgName:        Wells Fargo Bank, N.A.
OrgId:          WFBN
Address:        420 Montgomery ST
City:           San Francisco
StateProv:      CA
PostalCode:     94104
Country:        US
RegDate:        1987-05-10
Updated:        2016-10-28
Ref:            https://rdap.arin.net/registry/entity/WFBN


OrgTechHandle: ZW100-ARIN
OrgTechName:   Wells Fargo Company
OrgTechPhone:  +1-415-808-3158 
OrgTechEmail:  hostmaster@wellsfargo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZW100-ARIN

OrgNOCHandle: ZW100-ARIN
OrgNOCName:   Wells Fargo Company
OrgNOCPhone:  +1-415-808-3158 
OrgNOCEmail:  hostmaster@wellsfargo.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZW100-ARIN

OrgAbuseHandle: ZW100-ARIN
OrgAbuseName:   Wells Fargo Company
OrgAbusePhone:  +1-415-808-3158 
OrgAbuseEmail:  hostmaster@wellsfargo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZW100-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "4243",
    "as_handle" : "AS4243",
    "as_name" : "WELLSFARGO-4243",
    "tech_contacts" : [ "ZW100-ARIN" ],
    "abuse_contacts" : [ "ZW100-ARIN" ],
    "date_created" : "1995-01-11",
    "date_updated" : "2025-11-04",
    "source" : "https://rdap.arin.net/registry/autnum/4243"
  } ],
  "organization" : {
    "handle" : "WFBN",
    "name" : "Wells Fargo Bank, N.A.",
    "address" : [ "420 Montgomery ST", "San Francisco", "CA", "94104", "US" ],
    "street" : "Montgomery St",
    "city" : "San Francisco",
    "state" : "CA",
    "zip_code" : "94104",
    "country" : [ "US" ],
    "date_created" : "1987-05-10",
    "date_updated" : "2016-10-28",
    "source" : "https://rdap.arin.net/registry/entity/WFBN",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ZW100-ARIN",
    "name" : "Wells Fargo Company",
    "email" : [ "hostmaster@wellsfargo.com" ],
    "phone" : [ "+1-415-808-3158" ],
    "source" : "https://rdap.arin.net/registry/entity/ZW100-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ZW100-ARIN",
    "name" : "Wells Fargo Company",
    "email" : [ "hostmaster@wellsfargo.com" ],
    "phone" : [ "+1-415-808-3158" ],
    "source" : "https://rdap.arin.net/registry/entity/ZW100-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS55410	Vodafone Idea Ltd. VIL	IN
AS6453	TATA COMMUNICATIONS AMERICA INC	US
AS55410	Vodafone India Limited	IN
AS13335	Cloudflare, Inc.	US
AS9498	Bharti Airtel Ltd	IN
AS9498	Bharti Airtel Limited	IN
AS4755	Tata Communications (formerly VSNL)	IN
AS3356	Level 3 Parent, LLC	US
AS6453	TATA COMMUNICATIONS (AMERICA) INC	US
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS55410	Vodafone Idea Ltd. VIL	IN
AS6453	TATA COMMUNICATIONS AMERICA INC	US
AS13335	Cloudflare, Inc.	US
AS9498	Bharti Airtel Limited	IN
AS3356	Level 3 Parent, LLC	US
AS32787	Akamai Technologies, Inc.	US
AS4755	Tata Communications Limited	IN