What is ASN AS395403?

ASN AS395403 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.

How can I access the full ASN tables?

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AS395403 IBM | IPGeolocation.io

ASN Lookup Tool

IBM ibm.com

US 30 Routes

AS Data

AS395403

AS395403 – IBM

AS Number	395403
AS Name	NS1-INFRA
Organization	IBM (ibm-1)
Country	US
Website	ibm.com
Number of IPv4 Routes	12
Number of IPv6 Routes	18
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2016-07-26

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Use ASN data for AS395403 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:4d:4032::/48	AS395403	IBM	IBM	~1×10²⁴
2620:4d:4031::/48	AS395403	IBM	IBM	~1×10²⁴
2620:4d:4037::/48	AS395403	IBM	IBM	~1×10²⁴
2620:4d:4090::/48	AS395403	IBM	IBM	~1×10²⁴
163.114.225.0/24	AS395403	IBM	IBM Deutschland GmbH	256
163.114.229.0/24	AS395403	IBM	IBM Deutschland GmbH	256
2620:4d:4033::/48	AS395403	IBM	IBM	~1×10²⁴
163.114.198.0/24	AS395403	IBM	IBM Deutschland GmbH	256
2620:4d:402a::/48	AS395403	IBM	IBM	~1×10²⁴
163.114.224.0/24	AS395403	IBM	IBM Deutschland GmbH	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:       395403
ASName:         NS1-INFRA
ASHandle:       AS395403
RegDate:        2016-07-26
Updated:        2026-06-17
Ref:            https://rdap.arin.net/registry/autnum/395403


OrgName:        IBM
OrgId:          IBM-1
Address:        3039 Cornwallis Road
City:           Research Triangle Park
StateProv:      NC
PostalCode:     27709-2195
Country:        US
RegDate:        1992-02-08
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/IBM-1


OrgTechHandle: RAIN-ARIN
OrgTechName:   Registrar Authority, Internet numbers
OrgTechPhone:  +1-512-308-4534 
OrgTechEmail:  ipreg@us.ibm.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RAIN-ARIN

OrgAbuseHandle: RAIN-ARIN
OrgAbuseName:   Registrar Authority, Internet numbers
OrgAbusePhone:  +1-512-308-4534 
OrgAbuseEmail:  ipreg@us.ibm.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAIN-ARIN

RTechHandle: JEANF-ARIN
RTechName:   Jean-Francois, Nathaneal 
RTechPhone:  +1-347-307-3859 
RTechEmail:  Nathanael.Jean-Francois@ibm.com
RTechRef:    https://rdap.arin.net/registry/entity/JEANF-ARIN

RNOCHandle: JEANF-ARIN
RNOCName:   Jean-Francois, Nathaneal 
RNOCPhone:  +1-347-307-3859 
RNOCEmail:  Nathanael.Jean-Francois@ibm.com
RNOCRef:    https://rdap.arin.net/registry/entity/JEANF-ARIN

RAbuseHandle: JEANF-ARIN
RAbuseName:   Jean-Francois, Nathaneal 
RAbusePhone:  +1-347-307-3859 
RAbuseEmail:  Nathanael.Jean-Francois@ibm.com
RAbuseRef:    https://rdap.arin.net/registry/entity/JEANF-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" : "395403",
    "as_handle" : "AS395403",
    "as_name" : "NS1-INFRA",
    "tech_contacts" : [ "RAIN-ARIN", "JEANF-ARIN" ],
    "abuse_contacts" : [ "RAIN-ARIN", "JEANF-ARIN" ],
    "date_created" : "2016-07-26",
    "date_updated" : "2026-06-17",
    "source" : "https://rdap.arin.net/registry/autnum/395403"
  } ],
  "organization" : {
    "handle" : "IBM-1",
    "name" : "IBM",
    "address" : [ "3039 Cornwallis Road", "Research Triangle Park", "NC", "27709-2195", "US" ],
    "street" : "Cornwallis Road",
    "city" : "Research Triangle Park",
    "state" : "NC",
    "zip_code" : "27709-2195",
    "country" : [ "US" ],
    "date_created" : "1992-02-08",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/IBM-1",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "RAIN-ARIN",
    "name" : "Registrar Authority, Internet numbers",
    "email" : [ "ipreg@us.ibm.com" ],
    "phone" : [ "+1-512-308-4534" ],
    "source" : "https://rdap.arin.net/registry/entity/RAIN-ARIN"
  }, {
    "handle" : "JEANF-ARIN",
    "name" : "Jean-Francois, Nathaneal",
    "email" : [ "Nathanael.Jean-Francois@ibm.com" ],
    "phone" : [ "+1-347-307-3859" ],
    "source" : "https://rdap.arin.net/registry/entity/JEANF-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "RAIN-ARIN",
    "name" : "Registrar Authority, Internet numbers",
    "email" : [ "ipreg@us.ibm.com" ],
    "phone" : [ "+1-512-308-4534" ],
    "source" : "https://rdap.arin.net/registry/entity/RAIN-ARIN"
  }, {
    "handle" : "JEANF-ARIN",
    "name" : "Jean-Francois, Nathaneal",
    "email" : [ "Nathanael.Jean-Francois@ibm.com" ],
    "phone" : [ "+1-347-307-3859" ],
    "source" : "https://rdap.arin.net/registry/entity/JEANF-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS36236	NetActuate, Inc	US
AS1299	Arelion Sweden AB	SE
AS2914	NTT America, Inc.	US

Upstreams

AS Number	Description	Country
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS36236	NetActuate, Inc	US
AS1299	Arelion Sweden AB	SE
AS2914	NTT America, Inc.	US