ASN AS1265 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1265?

AS1265 is listed under Saint Mary's College.

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.

AS1265 Saint Mary's College | IPGeolocation.io

ASN Lookup Tool

Saint Mary's College saintmarys.edu

US 4 Routes

AS Data

AS1265

AS1265 – Saint Mary's College

AS Number	1265
AS Name	SAINT-MARYS-AS
Organization	Saint Mary's College(smc-6)
Country	US
Website	saintmarys.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1991-06-27

ASN Intelligence API for production workflows

Use ASN data for AS1265 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
147.53.0.0/18	AS1265	Saint Marys College	Saint Mary's College	16384
147.53.8.0/24	AS1265	Saint Marys College	Saint Mary's College	256
147.53.2.0/24	AS1265	Saint Marys College	Saint Mary's College	256
147.53.64.0/19	AS1265	Saint Marys College	Saint Mary's College	8192

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:       1265
ASName:         SAINT-MARYS-AS
ASHandle:       AS1265
RegDate:        1991-06-27
Updated:        1991-06-26    
Ref:            https://rdap.arin.net/registry/autnum/1265


OrgName:        Saint Mary's College
OrgId:          SMC-6
Address:        Information Technology
Address:        LeMans Hall
City:           Notre Dame
StateProv:      IN
PostalCode:     46556
Country:        US
RegDate:        1991-06-27
Updated:        2020-04-06
Ref:            https://rdap.arin.net/registry/entity/SMC-6


OrgRoutingHandle: SYSTE335-ARIN
OrgRoutingName:   Systems and Networking
OrgRoutingPhone:  +1-574-284-4754 
OrgRoutingEmail:  adminsmc@saintmarys.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SYSTE335-ARIN

OrgAbuseHandle: SYSTE335-ARIN
OrgAbuseName:   Systems and Networking
OrgAbusePhone:  +1-574-284-4754 
OrgAbuseEmail:  adminsmc@saintmarys.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SYSTE335-ARIN

OrgNOCHandle: SYSTE335-ARIN
OrgNOCName:   Systems and Networking
OrgNOCPhone:  +1-574-284-4754 
OrgNOCEmail:  adminsmc@saintmarys.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/SYSTE335-ARIN

OrgTechHandle: SYSTE335-ARIN
OrgTechName:   Systems and Networking
OrgTechPhone:  +1-574-284-4754 
OrgTechEmail:  adminsmc@saintmarys.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/SYSTE335-ARIN

OrgDNSHandle: SYSTE335-ARIN
OrgDNSName:   Systems and Networking
OrgDNSPhone:  +1-574-284-4754 
OrgDNSEmail:  adminsmc@saintmarys.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/SYSTE335-ARIN

RTechHandle: JLC32-ARIN
RTechName:   Cook, John L.
RTechPhone:  +1-219-284-4610 
RTechEmail:  jcook@saintmarys.edu
RTechRef:    https://rdap.arin.net/registry/entity/JLC32-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
AS1239	Cogent Communications, LLC	US
AS26554	US Signal Company, L.L.C.	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS26554	US Signal Company, L.L.C.	US
AS174	Cogent Communications, LLC	US