ASN AS17270 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17270?

AS17270 is listed under New York State Teachers' Retirement System.

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.

AS17270 New York State Teachers' Retirement System

ASN Lookup Tool

New York State Teachers' Retirement System nystrs.org

US 9 Routes

AS Data

AS17270

AS17270 – New York State Teachers' Retirement System

AS Number	17270
AS Name	NYSTRS-AS1
Organization	New York State Teachers' Retirement System(nystrs)
Country	US
Website	nystrs.org
Number of IPv4 Routes	9
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2011-02-08

ASN Intelligence API for production workflows

Use ASN data for AS17270 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
205.173.15.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.12.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.13.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.14.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.11.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.10.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.8.0/21	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	2048
205.173.9.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	256
205.173.8.0/24	AS17270	New York State Teachers Retirement System	New York State Teachers' Retirement System	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:       17270
ASName:         NYSTRS-AS1
ASHandle:       AS17270
RegDate:        2011-02-08
Updated:        2014-05-05    
Ref:            https://rdap.arin.net/registry/autnum/17270


OrgName:        New York State Teachers' Retirement System
OrgId:          NYSTRS
Address:        10 Corporate Woods Dr.
City:           Albany
StateProv:      NY
PostalCode:     12211
Country:        US
RegDate:        1995-03-20
Updated:        2015-02-04
Ref:            https://rdap.arin.net/registry/entity/NYSTRS


OrgAbuseHandle: WELDO14-ARIN
OrgAbuseName:   Weldon, Alex 
OrgAbusePhone:  +1-518-447-8809 
OrgAbuseEmail:  itsecurity@nystrs.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WELDO14-ARIN

OrgNOCHandle: HARDE27-ARIN
OrgNOCName:   Harden, Scott 
OrgNOCPhone:  +1-518-447-2921 
OrgNOCEmail:  networksupport@nystrs.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/HARDE27-ARIN

OrgTechHandle: ANDRE140-ARIN
OrgTechName:   Andreou, Jeffery 
OrgTechPhone:  +1-518-447-2796 
OrgTechEmail:  jeffrey.andreou@nystrs.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ANDRE140-ARIN

OrgTechHandle: HARDE27-ARIN
OrgTechName:   Harden, Scott 
OrgTechPhone:  +1-518-447-2921 
OrgTechEmail:  networksupport@nystrs.org
OrgTechRef:    https://rdap.arin.net/registry/entity/HARDE27-ARIN

RTechHandle: HARDE27-ARIN
RTechName:   Harden, Scott 
RTechPhone:  +1-518-447-2921 
RTechEmail:  networksupport@nystrs.org
RTechRef:    https://rdap.arin.net/registry/entity/HARDE27-ARIN

RAbuseHandle: HARDE27-ARIN
RAbuseName:   Harden, Scott 
RAbusePhone:  +1-518-447-2921 
RAbuseEmail:  networksupport@nystrs.org
RAbuseRef:    https://rdap.arin.net/registry/entity/HARDE27-ARIN

RNOCHandle: HARDE27-ARIN
RNOCName:   Harden, Scott 
RNOCPhone:  +1-518-447-2921 
RNOCEmail:  networksupport@nystrs.org
RNOCRef:    https://rdap.arin.net/registry/entity/HARDE27-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
AS46887	Crown Castle Fiber LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS3356	Level 3 Parent, LLC	US