ASN AS1249 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1249?

AS1249 is listed under University of Massachusetts AMHERST.

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.

AS1249 University of Massachusetts AMHERST

ASN Lookup Tool

University of Massachusetts AMHERST umass.edu

US 4 Routes

AS Data

AS1249

AS1249 – University of Massachusetts AMHERST

AS Number	1249
AS Name	FIVE-COLLEGES-AS
Organization	University of Massachusetts AMHERST(univer-6)
Country	US
Website	umass.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1991-04-18

ASN Intelligence API for production workflows

Use ASN data for AS1249 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
192.80.83.0/24	AS1249	University of Massachusetts AMHERST	University of Massachusetts AMHERST	256
72.19.64.0/18	AS1249	University of Massachusetts AMHERST	University of Massachusetts AMHERST	16384
128.119.0.0/16	AS1249	University of Massachusetts AMHERST	University of Massachusetts AMHERST	65536
192.189.138.0/24	AS1249	University of Massachusetts AMHERST	University of Massachusetts AMHERST	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:       1249
ASName:         FIVE-COLLEGES-AS
ASHandle:       AS1249
RegDate:        1991-04-18
Updated:        2024-11-06    
Ref:            https://rdap.arin.net/registry/autnum/1249


OrgName:        University of Massachusetts - AMHERST
OrgId:          UNIVER-6
Address:        University Computing Services
Address:        Lederle Graduate Research Center
City:           Amherst
StateProv:      MA
PostalCode:     01003
Country:        US
RegDate:        1986-04-03
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/UNIVER-6


OrgAbuseHandle: ONS2-ARIN
OrgAbuseName:   OIT Network Services
OrgAbusePhone:  +1-413-545-9400 
OrgAbuseEmail:  abuse@umass.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ONS2-ARIN

OrgNOCHandle: ZU64-ARIN
OrgNOCName:   Hostmaster
OrgNOCPhone:  +1-413-545-0595 
OrgNOCEmail:  hostmaster@umass.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZU64-ARIN

OrgTechHandle: ZU64-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-413-545-0595 
OrgTechEmail:  hostmaster@umass.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/ZU64-ARIN

RTechHandle: PG138-ARIN
RTechName:   Gutierrez, Peter 
RTechPhone:  +1-413-545-1606 
RTechEmail:  peterg@nic.umass.edu
RTechRef:    https://rdap.arin.net/registry/entity/PG138-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
AS1968	UMASSNET	US
AS168	University of Massachusetts AMHERST	US

Upstreams

AS Number	Description	Country
AS1968	UMASSNET	US

Downstreams

AS Number	Description	Country
AS168	University of Massachusetts AMHERST	US

Contacts

Email Contacts

hostmaster@umass.edu

Abuse Contacts

abuse@umass.edu