ASN AS33428 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33428?

AS33428 is listed under The New York Historical Society.

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.

AS33428 The New York Historical Society

ASN Lookup Tool

The New York Historical Society promenet.com

US 1 Routes

AS Data

AS33428

AS33428 – The New York Historical Society

AS Number	33428
AS Name	NHS-39AS
Organization	The New York Historical Society(nhs-39)
Country	US
Website	promenet.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-03-18

ASN Intelligence API for production workflows

Use ASN data for AS33428 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
8.25.158.0/24	AS33428	The New York Historical Society	The New York Historical Society	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:       33428
ASName:         NHS-39AS
ASHandle:       AS33428
RegDate:        2011-03-18
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/33428


OrgName:        The New-York Historical Society
OrgId:          NHS-39
Address:        170 Central Park West
City:           New York
StateProv:      NY
PostalCode:     10024
Country:        US
RegDate:        2011-03-14
Updated:        2011-03-14
Ref:            https://rdap.arin.net/registry/entity/NHS-39


OrgTechHandle: LKO34-ARIN
OrgTechName:   KONOMOU, LOUIS 
OrgTechPhone:  +1-646-723-4110 
OrgTechEmail:  LKONOMOU@promenet.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LKO34-ARIN

OrgAbuseHandle: LKO34-ARIN
OrgAbuseName:   KONOMOU, LOUIS 
OrgAbusePhone:  +1-646-723-4110 
OrgAbuseEmail:  LKONOMOU@promenet.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LKO34-ARIN

OrgNOCHandle: LKO34-ARIN
OrgNOCName:   KONOMOU, LOUIS 
OrgNOCPhone:  +1-646-723-4110 
OrgNOCEmail:  LKONOMOU@promenet.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LKO34-ARIN

RTechHandle: LKO34-ARIN
RTechName:   KONOMOU, LOUIS 
RTechPhone:  +1-646-723-4110 
RTechEmail:  LKONOMOU@promenet.com
RTechRef:    https://rdap.arin.net/registry/entity/LKO34-ARIN

RNOCHandle: LKO34-ARIN
RNOCName:   KONOMOU, LOUIS 
RNOCPhone:  +1-646-723-4110 
RNOCEmail:  LKONOMOU@promenet.com
RNOCRef:    https://rdap.arin.net/registry/entity/LKO34-ARIN

RAbuseHandle: LKO34-ARIN
RAbuseName:   KONOMOU, LOUIS 
RAbusePhone:  +1-646-723-4110 
RAbuseEmail:  LKONOMOU@promenet.com
RAbuseRef:    https://rdap.arin.net/registry/entity/LKO34-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
AS12271	Charter Communications Inc	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS12271	Charter Communications Inc	US
AS3356	Level 3 Parent, LLC	US