ASN AS1661 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1661?

AS1661 is listed under Verizon Business.

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.

AS1661 Verizon Business | IPGeolocation.io

ASN Lookup Tool

Verizon Business verizon.com

US 23 Routes

AS Data

AS1661

AS1661 – Verizon Business

AS Number	1661
AS Name	ANS-ATLANTA
Organization	Verizon Business (mcics)
Country	US
Website	verizon.com
Number of IPv4 Routes	23
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1996-11-22

ASN Intelligence API for production workflows

Use ASN data for AS1661 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.67.76.0/23	AS1661	Verizon Business	Verizon Business	512
65.210.180.0/24	AS1661	Verizon Business	Verizon Business	256
63.118.1.0/24	AS1661	Verizon Business	Verizon Business	256
65.217.40.0/23	AS1661	Verizon Business	Verizon Business	512
195.124.6.0/24	AS1661	Verizon Business	Verizon Deutschland GmbH	256
63.87.16.0/23	AS1661	Verizon Business	Verizon Business	512
65.198.234.0/24	AS1661	Verizon Business	Verizon Business	256
65.211.120.0/23	AS1661	Verizon Business	Verizon Business	512
63.77.76.0/23	AS1661	Verizon Business	Verizon Business	512
65.203.147.0/24	AS1661	Verizon Business	Verizon Business	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:       1661
ASName:         ANS-ATLANTA
ASHandle:       AS1661
RegDate:        1996-11-22
Updated:        2024-03-04
Ref:            https://rdap.arin.net/registry/autnum/1661



OrgName:        Verizon Business
OrgId:          MCICS
Address:        22001 Loudoun County Pkwy
City:           Ashburn
StateProv:      VA
PostalCode:     20147
Country:        US
RegDate:        2006-05-30
Updated:        2025-10-28
Ref:            https://rdap.arin.net/registry/entity/MCICS


OrgTechHandle: SWIPP9-ARIN
OrgTechName:   SWIPPER
OrgTechPhone:  +1-800-900-0241 
OrgTechEmail:  swipper@verizon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SWIPP9-ARIN

OrgDNSHandle: VZDNS1-ARIN
OrgDNSName:   VZ-DNSADMIN
OrgDNSPhone:  +1-800-900-0241 
OrgDNSEmail:  dnsadmin@verizon.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/VZDNS1-ARIN

OrgAbuseHandle: ABUSE5603-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-800-900-0241 
OrgAbuseEmail:  abuse@verizon.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5603-ARIN

OrgAbuseHandle: ABUSE3-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-800-900-0241 
OrgAbuseEmail:  abuse@verizon.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3-ARIN

OrgTechHandle: VIS1-ARIN
OrgTechName:   Verizon Internet Services
OrgTechPhone:  +1-800-243-6994 
OrgTechEmail:  IPMGMT@verizon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VIS1-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" : "1661",
    "as_handle" : "AS1661",
    "as_name" : "ANS-ATLANTA",
    "admin_contacts" : [ "VZDNS1-ARIN" ],
    "tech_contacts" : [ "SWIPP9-ARIN", "VIS1-ARIN" ],
    "abuse_contacts" : [ "ABUSE5603-ARIN", "ABUSE3-ARIN" ],
    "date_created" : "1996-11-22",
    "date_updated" : "2024-03-04",
    "source" : "https://rdap.arin.net/registry/autnum/1661"
  } ],
  "organization" : {
    "handle" : "MCICS",
    "name" : "Verizon Business",
    "address" : [ "22001 Loudoun County Pkwy", "Ashburn", "VA", "20147", "US" ],
    "street" : "Loudoun County Pkwy",
    "city" : "Ashburn",
    "state" : "VA",
    "zip_code" : "20147",
    "country" : [ "US" ],
    "date_created" : "2006-05-30",
    "date_updated" : "2025-10-28",
    "source" : "https://rdap.arin.net/registry/entity/MCICS",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "VZDNS1-ARIN",
    "name" : "VZ-DNSADMIN",
    "email" : [ "dnsadmin@verizon.com" ],
    "phone" : [ "+1-800-900-0241" ],
    "source" : "https://rdap.arin.net/registry/entity/VZDNS1-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "SWIPP9-ARIN",
    "name" : "SWIPPER",
    "email" : [ "swipper@verizon.com" ],
    "phone" : [ "+1-800-900-0241" ],
    "source" : "https://rdap.arin.net/registry/entity/SWIPP9-ARIN"
  }, {
    "handle" : "VIS1-ARIN",
    "name" : "Verizon Internet Services",
    "email" : [ "IPMGMT@verizon.com" ],
    "phone" : [ "+1-800-243-6994" ],
    "source" : "https://rdap.arin.net/registry/entity/VIS1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE5603-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@verizon.com" ],
    "phone" : [ "+1-800-900-0241" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE5603-ARIN"
  }, {
    "handle" : "ABUSE3-ARIN",
    "name" : "abuse",
    "email" : [ "abuse@verizon.com" ],
    "phone" : [ "+1-800-900-0241" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE3-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS702	Verizon Business	US
AS702	Verizon Business/UUnet Europe	US
AS701	Verizon Business/UUnet	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS702	Verizon Business	US
AS701	Verizon Business	US

Contacts

Email Contacts

IPMGMT@verizon.com swipper@verizon.com

Abuse Contacts

abuse@verizon.com