What is ASN AS400065?

ASN AS400065 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400065?

AS400065 is listed under Princeton 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.

AS400065 Princeton University

ASN Lookup Tool

Princeton University princeton.edu

US 2 Routes

AS Data

AS400065

AS400065 – Princeton University

AS Number	400065
AS Name	SCION-BACKBONE
Organization	Princeton University(prnu)
Country	US
Website	princeton.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2021-09-22

ASN Intelligence API for production workflows

Use ASN data for AS400065 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.111.8.0/23	AS400065	Princeton University	University of Virginia	512
74.1.46.0/23	AS400065	Princeton University	Princeton University	512

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:       400065
ASName:         SCION-BACKBONE
ASHandle:       AS400065
RegDate:        2021-09-22
Updated:        2021-11-22
Comment:        Secure SCION routing backbone
Comment:        https://scion-architecture.net/    
Ref:            https://rdap.arin.net/registry/autnum/400065


OrgName:        Princeton University
OrgId:          PRNU
Address:        OIT Network Switching and Routing
Address:        701 Carnegie Center, Suite 301
City:           Princeton
StateProv:      NJ
PostalCode:     08540
Country:        US
RegDate:        
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/PRNU


OrgNOCHandle: ONS1-ARIN
OrgNOCName:   OIT Network Systems
OrgNOCPhone:  +1-609-258-4555 
OrgNOCEmail:  networking@princeton.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/ONS1-ARIN

OrgAbuseHandle: ABUSE16-ARIN
OrgAbuseName:   OIT Response Team
OrgAbusePhone:  +1-609-258-4357 
OrgAbuseEmail:  abuse@princeton.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE16-ARIN

OrgTechHandle: CINN-ARIN
OrgTechName:   Contact for Internet numbers and names
OrgTechPhone:  +1-609-258-4555 
OrgTechEmail:  netipam@princeton.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/CINN-ARIN

RTechHandle: CINN-ARIN
RTechName:   Contact for Internet numbers and names
RTechPhone:  +1-609-258-4555 
RTechEmail:  netipam@princeton.edu
RTechRef:    https://rdap.arin.net/registry/entity/CINN-ARIN

RTechHandle: ITCNE1-ARIN
RTechName:   ITC Netsec
RTechPhone:  +41 44 632 74 78 
RTechEmail:  netsec-bgp@inf.ethz.ch
RTechRef:    https://rdap.arin.net/registry/entity/ITCNE1-ARIN

RNOCHandle: CINN-ARIN
RNOCName:   Contact for Internet numbers and names
RNOCPhone:  +1-609-258-4555 
RNOCEmail:  netipam@princeton.edu
RNOCRef:    https://rdap.arin.net/registry/entity/CINN-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
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS20473	The Constant Company, LLC	US

Contacts

Email Contacts

netipam@princeton.edu

Abuse Contacts

abuse@princeton.edu