ASN AS19812 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19812?

AS19812 is listed under BT Americas, Inc.

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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AS19812 BT Americas, Inc | IPGeolocation.io

ASN Lookup Tool

BT Americas, Inc bt.com

US 19 Routes

AS Data

AS19812

AS19812 – BT Americas, Inc

AS Number	19812
AS Name	RADIANZ-NUTLEY
Organization	BT Americas, Inc(ba-346)
Country	US
Website	bt.com
Number of IPv4 Routes	19
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-02-14

ASN Intelligence API for production workflows

Use ASN data for AS19812 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
75.96.147.0/24	AS19812	BT Americas, Inc	RADIANZ Americas, Inc.	256
75.96.161.0/24	AS19812	BT Americas, Inc	RADIANZ Americas, Inc.	256
209.191.172.0/24	AS19812	BT Americas, Inc	Radianz, Inc.	256
75.96.145.0/24	AS19812	BT Americas, Inc	RADIANZ Americas, Inc.	256
75.124.64.0/21	AS19812	BT Americas, Inc	RADIANZ Americas, Inc.	2048
23.249.8.0/22	AS19812	BT Americas, Inc	Seqirus Inc	1024
136.143.139.0/24	AS19812	BT Americas, Inc	CEVA LOGISTICS U.S., INC.	256
75.96.146.0/24	AS19812	BT Americas, Inc	RADIANZ Americas, Inc.	256
75.124.77.0/24	AS19812	BT Americas, Inc	RADIANZ Americas, Inc.	256
64.94.180.0/23	AS19812	BT Americas, Inc	Radianz	512

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:       19812
ASName:         RADIANZ-NUTLEY
ASHandle:       AS19812
RegDate:        2001-02-14
Updated:        2024-12-12    
Ref:            https://rdap.arin.net/registry/autnum/19812


OrgName:        BT Americas, Inc
OrgId:          BA-346
Address:        910 Hastings Ave. Suite 120
City:           Newport
StateProv:      MN
PostalCode:     55055
Country:        US
RegDate:        2014-12-16
Updated:        2025-12-02
Ref:            https://rdap.arin.net/registry/entity/BA-346


OrgAbuseHandle: ABBOT2-ARIN
OrgAbuseName:   Abbott, Michael 
OrgAbusePhone:  +1-713-446-5063 
OrgAbuseEmail:  mike.a.abbott@bt.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABBOT2-ARIN

OrgTechHandle: ABBOT2-ARIN
OrgTechName:   Abbott, Michael 
OrgTechPhone:  +1-713-446-5063 
OrgTechEmail:  mike.a.abbott@bt.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ABBOT2-ARIN

OrgAbuseHandle: DELAP12-ARIN
OrgAbuseName:   de la Paz, Anthony 
OrgAbusePhone:  +1-703-981-5980 
OrgAbuseEmail:  anthony.delapaz@bt.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DELAP12-ARIN

OrgTechHandle: GRH7-ARIN
OrgTechName:   Hanson, G Robert
OrgTechPhone:  +1-651-746-8577 
OrgTechEmail:  g.hanson@bt.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GRH7-ARIN

OrgNOCHandle: ABBOT2-ARIN
OrgNOCName:   Abbott, Michael 
OrgNOCPhone:  +1-713-446-5063 
OrgNOCEmail:  mike.a.abbott@bt.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ABBOT2-ARIN

OrgTechHandle: DELAP12-ARIN
OrgTechName:   de la Paz, Anthony 
OrgTechPhone:  +1-703-981-5980 
OrgTechEmail:  anthony.delapaz@bt.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DELAP12-ARIN

OrgNOCHandle: DELAP12-ARIN
OrgNOCName:   de la Paz, Anthony 
OrgNOCPhone:  +1-703-981-5980 
OrgNOCEmail:  anthony.delapaz@bt.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DELAP12-ARIN

OrgAbuseHandle: GRH7-ARIN
OrgAbuseName:   Hanson, G Robert
OrgAbusePhone:  +1-651-746-8577 
OrgAbuseEmail:  g.hanson@bt.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRH7-ARIN

OrgNOCHandle: GRH7-ARIN
OrgNOCName:   Hanson, G Robert
OrgNOCPhone:  +1-651-746-8577 
OrgNOCEmail:  g.hanson@bt.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GRH7-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" : "19812",
    "as_handle" : "AS19812",
    "as_name" : "RADIANZ-NUTLEY",
    "tech_contacts" : [ "ABBOT2-ARIN", "GRH7-ARIN", "DELAP12-ARIN" ],
    "abuse_contacts" : [ "ABBOT2-ARIN", "DELAP12-ARIN", "GRH7-ARIN" ],
    "date_created" : "2001-02-14",
    "date_updated" : "2024-12-12",
    "source" : "https://rdap.arin.net/registry/autnum/19812"
  } ],
  "organization" : {
    "handle" : "BA-346",
    "name" : "BT Americas, Inc",
    "address" : [ "910 Hastings Ave. Suite 120", "Newport", "MN", "55055", "US" ],
    "street" : "Hastings Ave.",
    "city" : "Newport",
    "state" : "MN",
    "zip_code" : "55055",
    "country" : [ "US" ],
    "date_created" : "2014-12-16",
    "date_updated" : "2025-12-02",
    "source" : "https://rdap.arin.net/registry/entity/BA-346",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ABBOT2-ARIN",
    "name" : "Abbott, Michael",
    "email" : [ "mike.a.abbott@bt.com" ],
    "phone" : [ "+1-713-446-5063" ],
    "source" : "https://rdap.arin.net/registry/entity/ABBOT2-ARIN"
  }, {
    "handle" : "GRH7-ARIN",
    "name" : "Hanson, G Robert",
    "email" : [ "g.hanson@bt.com" ],
    "phone" : [ "+1-651-746-8577" ],
    "source" : "https://rdap.arin.net/registry/entity/GRH7-ARIN"
  }, {
    "handle" : "DELAP12-ARIN",
    "name" : "de la Paz, Anthony",
    "email" : [ "anthony.delapaz@bt.com" ],
    "phone" : [ "+1-703-981-5980" ],
    "source" : "https://rdap.arin.net/registry/entity/DELAP12-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABBOT2-ARIN",
    "name" : "Abbott, Michael",
    "email" : [ "mike.a.abbott@bt.com" ],
    "phone" : [ "+1-713-446-5063" ],
    "source" : "https://rdap.arin.net/registry/entity/ABBOT2-ARIN"
  }, {
    "handle" : "DELAP12-ARIN",
    "name" : "de la Paz, Anthony",
    "email" : [ "anthony.delapaz@bt.com" ],
    "phone" : [ "+1-703-981-5980" ],
    "source" : "https://rdap.arin.net/registry/entity/DELAP12-ARIN"
  }, {
    "handle" : "GRH7-ARIN",
    "name" : "Hanson, G Robert",
    "email" : [ "g.hanson@bt.com" ],
    "phone" : [ "+1-651-746-8577" ],
    "source" : "https://rdap.arin.net/registry/entity/GRH7-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS19024	Unitas Global	US
AS2856	British Telecommunications PLC	GB
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS13789	Unitas Global	US
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS3300	British Telecommunications PLC	GB
AS15570	PACKETFABRIC UK LTD	GB
AS3356	Level 3 Parent, LLC	US
AS15570	PACKETFABRIC (UK) LTD	GB

Upstreams

AS Number	Description	Country
AS19024	Unitas Global	US
AS2856	British Telecommunications PLC	GB
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS13789	Unitas Global	US
AS3300	British Telecommunications PLC	GB
AS15570	PACKETFABRIC UK LTD	GB
AS3356	Level 3 Parent, LLC	US