ASN AS3371 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS3371?

AS3371 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.

AS3371 Verizon Business | IPGeolocation.io

ASN Lookup Tool

Verizon Business verizonbusiness.com

US 32 Routes

AS Data

AS3371

AS3371 – Verizon Business

AS Number	3371
AS Name	MCI-ASN
Organization	Verizon Business (mcics)
Country	US
Website	verizonbusiness.com
Number of IPv4 Routes	29
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1994-01-06

ASN Intelligence API for production workflows

Use ASN data for AS3371 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2600:80e::/32	AS3371	Verizon Business	Verizon Business	~79×10²⁷
2600:40ff:fff1::/48	AS3371	Verizon Business	Verizon Business	~1×10²⁴
166.50.0.0/16	AS3371	Verizon Business	Verizon Business	65536
142.77.8.0/23	AS3371	Verizon Business	Verizon Business	512
142.77.10.0/23	AS3371	Verizon Business	Verizon Business	512
166.58.0.0/16	AS3377	Verizon Business	Verizon Business	65536
153.39.96.0/19	AS3371	Verizon Business	Verizon Business	8192
166.32.192.0/20	AS3371	Verizon Business	Verizon Business	4096
166.56.0.0/16	AS3371	Verizon Business	Verizon Business	65536
100.5.64.0/18	AS3371	Verizon Business	Verizon Business	16384

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:       3369 - 3378
ASName:         MCI-ASN
ASHandle:       AS3369
RegDate:        1994-01-06
Updated:        2024-07-02
Ref:            https://rdap.arin.net/registry/autnum/3369



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:  IPMGMT@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-mail@verizonbusiness.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" : "3369 - 3378",
    "as_handle" : "AS3369",
    "as_name" : "MCI-ASN",
    "admin_contacts" : [ "VZDNS1-ARIN" ],
    "tech_contacts" : [ "SWIPP9-ARIN", "VIS1-ARIN" ],
    "abuse_contacts" : [ "ABUSE5603-ARIN", "ABUSE3-ARIN" ],
    "date_created" : "1994-01-06",
    "date_updated" : "2024-07-02",
    "source" : "https://rdap.arin.net/registry/autnum/3369"
  } ],
  "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" : [ "IPMGMT@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-mail@verizonbusiness.com" ],
    "phone" : [ "+1-800-900-0241" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE3-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS3378	Verizon Business	US
AS3376	Verizon Business	US
AS3373	Verizon Business	US
AS3377	Verizon Business	US
AS3374	Verizon Business	US
AS3372	Verizon Business	US

Upstreams

AS Number	Description	Country
AS3378	Verizon Business	US
AS3372	Verizon Business	US

Downstreams

AS Number	Description	Country
AS3376	Verizon Business	US
AS3373	Verizon Business	US
AS3377	Verizon Business	US
AS3374	Verizon Business	US

Contacts

Email Contacts

IPMGMT@verizon.com

Abuse Contacts

abuse@verizon.com abuse-mail@verizonbusiness.com