ASN AS4451 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4451?

AS4451 is listed under 1199SEIU National Benefit Funds.

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.

AS4451 1199SEIU National Benefit Funds

ASN Lookup Tool

1199SEIU National Benefit Funds 1199nbf.org

US 4 Routes

AS Data

AS4451

AS4451 – 1199SEIU National Benefit Funds

AS Number	4451
AS Name	ASN1
Organization	1199SEIU National Benefit Funds(seiun)
Country	US
Website	1199nbf.org
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-09-15

ASN Intelligence API for production workflows

Use ASN data for AS4451 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
65.198.87.0/24	AS4451	1199SEIU National Benefit Funds	1199SEIU NATIONAL BENEFIT FUND FOR HEALTH AND HUMAN SERVICE	256
148.77.22.0/24	AS4451	1199SEIU National Benefit Funds	1199SEIU NATIONAL BENEFIT FUND FOR HEALTH & HUMAN SERVICE EMPLOYEES	256
69.74.235.0/24	AS4451	1199SEIU National Benefit Funds	Cablevision Systems Corp.	256
65.217.232.0/24	AS4451	1199SEIU National Benefit Funds	1199SEIU NATIONAL BENEFIT FUND FOR HEALTH AND HUMAN SERVICE EMPLOYEES	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:       4451
ASName:         ASN1
ASHandle:       AS4451
RegDate:        2009-09-15
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/4451


OrgName:        1199SEIU National Benefit Funds
OrgId:          SEIUN
Address:        330W. 42nd street
City:           New York
StateProv:      NY
PostalCode:     10036
Country:        US
RegDate:        2009-05-11
Updated:        2009-09-15
Ref:            https://rdap.arin.net/registry/entity/SEIUN


OrgNOCHandle: NIS7-ARIN
OrgNOCName:   Isola, Neil 
OrgNOCPhone:  +1-646-473-7000 
OrgNOCEmail:  nisola@1199nbf.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NIS7-ARIN

OrgTechHandle: NIS7-ARIN
OrgTechName:   Isola, Neil 
OrgTechPhone:  +1-646-473-7000 
OrgTechEmail:  nisola@1199nbf.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NIS7-ARIN

OrgAbuseHandle: NIS7-ARIN
OrgAbuseName:   Isola, Neil 
OrgAbusePhone:  +1-646-473-7000 
OrgAbuseEmail:  nisola@1199nbf.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIS7-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
AS701	Verizon Business/UUnet	US
AS701	Verizon Business	US
AS54004	Cablevision Lightpath LLC	US

Upstreams

AS Number	Description	Country
AS701	Verizon Business	US
AS54004	Cablevision Lightpath LLC	US