ASN AS11403 is an Autonomous System Number used to identify a network for BGP internet routing.

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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AS11403 NYI | IPGeolocation.io

ASN Lookup Tool

NYI nyi.net

US 31 Routes

AS Data

AS11403

AS11403 – NYI

AS Number	11403
AS Name	NYINTERNET
Organization	NYI (nhl-79)
Country	US
Website	nyi.net
Number of IPv4 Routes	27
Number of IPv6 Routes	4
ASN type	HOSTING
Registry	ARIN
Date Allocated	1998-08-11

ASN Intelligence API for production workflows

Use ASN data for AS11403 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
173.228.144.0/23	AS11403	NYI	NYI	512
2610:1c1::/32	AS11403	NYI	NYI	~79×10²⁷
64.147.96.0/19	AS11403	NYI	NYI	8192
64.90.168.0/23	AS11403	NYI	NYI	512
199.4.163.0/24	AS11403	NYI	Punchdown Enterprises, LLC	256
64.147.115.0/24	AS11403	NYI	NYI	256
173.228.159.0/24	AS11403	NYI	NYI	256
64.147.127.0/24	AS11403	NYI	NYI	256
67.221.176.0/20	AS11403	NYI	NYI	4096
199.83.60.0/22	AS11403	NYI	NYI	1024

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:       11403
ASName:         NYINTERNET
ASHandle:       AS11403
RegDate:        1998-08-11
Updated:        2017-12-12
Ref:            https://rdap.arin.net/registry/autnum/11403


OrgName:        NYI
OrgId:          NHL-79
Address:        100 William Street, Suite 318
City:           New York
StateProv:      NY
PostalCode:     10038
Country:        US
RegDate:        2017-11-16
Updated:        2024-11-25
Comment:        * Rwhois reassignment information for this block
Comment:        is available at
Comment:        * rwhois://rwhois.nyi.net:4321 or
Comment:        http://rwhois.nyi.net
Ref:            https://rdap.arin.net/registry/entity/NHL-79

ReferralServer:  rwhois://rwhois.nyi.net:4321

OrgAbuseHandle: NAD111-ARIN
OrgAbuseName:   NYI Abuse Department
OrgAbusePhone:  +1-212-269-1999 
OrgAbuseEmail:  abuse@nyi.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAD111-ARIN

OrgTechHandle: NIE6-ARIN
OrgTechName:   NYI Internet Engineering
OrgTechPhone:  +1-212-269-1999 
OrgTechEmail:  inter-eng@nyi.net
OrgTechRef:    https://rdap.arin.net/registry/entity/NIE6-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" : "11403",
    "as_handle" : "AS11403",
    "as_name" : "NYINTERNET",
    "tech_contacts" : [ "NIE6-ARIN" ],
    "abuse_contacts" : [ "NAD111-ARIN" ],
    "date_created" : "1998-08-11",
    "date_updated" : "2017-12-12",
    "source" : "https://rdap.arin.net/registry/autnum/11403"
  } ],
  "organization" : {
    "handle" : "NHL-79",
    "name" : "NYI",
    "address" : [ "100 William Street, Suite 318", "New York", "NY", "10038", "US" ],
    "street" : "William Street",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10038",
    "country" : [ "US" ],
    "date_created" : "2017-11-16",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/NHL-79",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NIE6-ARIN",
    "name" : "NYI Internet Engineering",
    "email" : [ "inter-eng@nyi.net" ],
    "phone" : [ "+1-212-269-1999" ],
    "source" : "https://rdap.arin.net/registry/entity/NIE6-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NAD111-ARIN",
    "name" : "NYI Abuse Department",
    "email" : [ "abuse@nyi.net" ],
    "phone" : [ "+1-212-269-1999" ],
    "source" : "https://rdap.arin.net/registry/entity/NAD111-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS64257	trueEX LLC	US
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS286	GTT Communications Inc.	US
AS62904	Eonix Corporation	US
AS22356	Durand do Brasil Ltda	BR
AS14537	Continent 8 LLC	US
AS399334	Skysilk	US
AS62217	Vinters IT Ltd	GB
AS17557	Pakistan Telecommunication Company Limited	PK

Upstreams

AS Number	Description	Country
AS14840	BR.Digital Telecom	BR
AS9002	RETN Limited	GB
AS29632	Netassist International EOOD	BG
AS263444	Open X Tecnologia Ltda	BR
AS25091	IP Max SA	CH
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS286	GTT Communications Inc.	US
AS22356	Durand do Brasil Ltda	BR
AS2516	KDDI CORPORATION	JP

Downstreams

AS Number	Description	Country
AS53951	GLMX, LLC	US
AS53060	Porta 80 Servicos em Internet Ltda	BR
AS64257	trueEX LLC	US
AS53899	ServiceHub Corporation	US
AS62576	S Mobile LLC	US
AS20201	Caryco Tech	US
AS11784	AV8 Internet, Inc	US
AS62904	Eonix Corporation	US
AS3356	Level 3 Parent, LLC	US
AS399334	Skysilk	US