ASN AS3620 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS3620?

AS3620 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.

AS3620 Verizon Business | IPGeolocation.io

ASN Lookup Tool

Verizon Business verizonbusiness.com

US 1 Routes

AS Data

AS3620

AS3620 – Verizon Business

AS Number	3620
AS Name	MCIASN-BLK
Organization	Verizon Business(mcics)
Country	US
Website	verizonbusiness.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1994-05-24

ASN Intelligence API for production workflows

Use ASN data for AS3620 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
198.160.128.0/24	AS3620	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:       3617 - 3623
ASName:         MCIASN-BLK
ASHandle:       AS3617
RegDate:        1994-05-24
Updated:        2024-07-02    
Ref:            https://rdap.arin.net/registry/autnum/3617



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


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

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

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

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

Peers

AS Number	Description	Country
AS703	Verizon Business	US
AS703	Verizon Business/UUnet ASPAC	US

Upstreams

AS Number	Description	Country
AS703	Verizon Business	US

Contacts

Email Contacts

IPMGMT@verizon.com

Abuse Contacts

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