ASN AS20143 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20143?

AS20143 is listed under Suffolk University.

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.

AS20143 Suffolk University | IPGeolocation.io

ASN Lookup Tool

Suffolk University suffolk.edu

US 2 Routes

AS Data

AS20143

AS20143 – Suffolk University

AS Number	20143
AS Name	SUNET-1
Organization	Suffolk University(suffol)
Country	US
Website	suffolk.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2001-03-30

ASN Intelligence API for production workflows

Use ASN data for AS20143 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
192.138.214.0/24	AS20143	Suffolk University	Suffolk University	256
192.138.213.0/24	AS20143	Suffolk University	Suffolk University	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:       20143
ASName:         SUNET-1
ASHandle:       AS20143
RegDate:        2001-03-30
Updated:        2012-03-20    
Ref:            https://rdap.arin.net/registry/autnum/20143


OrgName:        Suffolk University
OrgId:          SUFFOL
Address:        8 Ashburton Place
City:           Boston
StateProv:      MA
PostalCode:     02108
Country:        US
RegDate:        1992-04-08
Updated:        2010-10-19
Ref:            https://rdap.arin.net/registry/entity/SUFFOL


OrgTechHandle: NSG14-ARIN
OrgTechName:   NSG
OrgTechPhone:  +1-617-573-8747 
OrgTechEmail:  nsg@suffolk.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NSG14-ARIN

OrgAbuseHandle: NSG14-ARIN
OrgAbuseName:   NSG
OrgAbusePhone:  +1-617-573-8747 
OrgAbuseEmail:  nsg@suffolk.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSG14-ARIN

OrgTechHandle: FY20-ARIN
OrgTechName:   Yatim, Fouad 
OrgTechPhone:  +1-617-573-8585 
OrgTechEmail:  fyatim@suffolk.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/FY20-ARIN

OrgNOCHandle: NSG14-ARIN
OrgNOCName:   NSG
OrgNOCPhone:  +1-617-573-8747 
OrgNOCEmail:  nsg@suffolk.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NSG14-ARIN

RTechHandle: FY20-ARIN
RTechName:   Yatim, Fouad 
RTechPhone:  +1-617-573-8585 
RTechEmail:  fyatim@suffolk.edu
RTechRef:    https://rdap.arin.net/registry/entity/FY20-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US