ASN AS11813 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11813?

AS11813 is listed under Natixis North America LLC.

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.

AS11813 Natixis North America LLC

ASN Lookup Tool

Natixis North America LLC us.natixis.com

US 1 Routes

AS Data

AS11813

AS11813 – Natixis North America LLC

AS Number	11813
AS Name	NATIXIS-NORTH-AMERICA-LLC
Organization	Natixis North America LLC (cna-9)
Country	US
Website	us.natixis.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1998-12-30

ASN Intelligence API for production workflows

Use ASN data for AS11813 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.51.212.0/24	AS11813	Natixis North America LLC	Natixis North America LLC	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:       11813
ASName:         NATIXIS-NORTH-AMERICA-LLC
ASHandle:       AS11813
RegDate:        1998-12-30
Updated:        2013-07-24
Ref:            https://rdap.arin.net/registry/autnum/11813


OrgName:        Natixis North America LLC
OrgId:          CNA-9
Address:        1251 6th Avenue
City:           New York
StateProv:      NY
PostalCode:     10020
Country:        US
RegDate:        1998-12-30
Updated:        2013-08-16
Ref:            https://rdap.arin.net/registry/entity/CNA-9


OrgTechHandle: NETAD187-ARIN
OrgTechName:   netadmin
OrgTechPhone:  +1-212-891-6180 
OrgTechEmail:  uscibusitcoreservicesnetworkdat@us.natixis.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETAD187-ARIN

OrgAbuseHandle: NETAD187-ARIN
OrgAbuseName:   netadmin
OrgAbusePhone:  +1-212-891-6180 
OrgAbuseEmail:  uscibusitcoreservicesnetworkdat@us.natixis.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETAD187-ARIN

OrgNOCHandle: NETAD187-ARIN
OrgNOCName:   netadmin
OrgNOCPhone:  +1-212-891-6180 
OrgNOCEmail:  uscibusitcoreservicesnetworkdat@us.natixis.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETAD187-ARIN

RAbuseHandle: NETAD187-ARIN
RAbuseName:   netadmin
RAbusePhone:  +1-212-891-6180 
RAbuseEmail:  uscibusitcoreservicesnetworkdat@us.natixis.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETAD187-ARIN

RTechHandle: NETAD187-ARIN
RTechName:   netadmin
RTechPhone:  +1-212-891-6180 
RTechEmail:  uscibusitcoreservicesnetworkdat@us.natixis.com
RTechRef:    https://rdap.arin.net/registry/entity/NETAD187-ARIN

RNOCHandle: NETAD187-ARIN
RNOCName:   netadmin
RNOCPhone:  +1-212-891-6180 
RNOCEmail:  uscibusitcoreservicesnetworkdat@us.natixis.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETAD187-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" : "11813",
    "as_handle" : "AS11813",
    "as_name" : "NATIXIS-NORTH-AMERICA-LLC",
    "tech_contacts" : [ "NETAD187-ARIN", "NETAD187-ARIN" ],
    "abuse_contacts" : [ "NETAD187-ARIN", "NETAD187-ARIN" ],
    "date_created" : "1998-12-30",
    "date_updated" : "2013-07-24",
    "source" : "https://rdap.arin.net/registry/autnum/11813"
  } ],
  "organization" : {
    "handle" : "CNA-9",
    "name" : "Natixis North America LLC",
    "address" : [ "1251 6th Avenue", "New York", "NY", "10020", "US" ],
    "street" : "6th Avenue",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10020",
    "country" : [ "US" ],
    "date_created" : "1998-12-30",
    "date_updated" : "2013-08-16",
    "source" : "https://rdap.arin.net/registry/entity/CNA-9",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETAD187-ARIN",
    "name" : "netadmin",
    "email" : [ "uscibusitcoreservicesnetworkdat@us.natixis.com" ],
    "phone" : [ "+1-212-891-6180" ],
    "source" : "https://rdap.arin.net/registry/entity/NETAD187-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETAD187-ARIN",
    "name" : "netadmin",
    "email" : [ "uscibusitcoreservicesnetworkdat@us.natixis.com" ],
    "phone" : [ "+1-212-891-6180" ],
    "source" : "https://rdap.arin.net/registry/entity/NETAD187-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US