ASN AS27405 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27405?

AS27405 is listed under University System of New Hampshire.

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.

AS27405 University System of New Hampshire

ASN Lookup Tool

University System of New Hampshire unh.edu

US 1 Routes

AS Data

AS27405

AS27405 – University System of New Hampshire

AS Number	27405
AS Name	PSC
Organization	University System of New Hampshire(usnh)
Country	US
Website	unh.edu
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2003-02-27

ASN Intelligence API for production workflows

Use ASN data for AS27405 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
158.136.0.0/16	AS27405	University System of New Hampshire	University System of New Hampshire	65536

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:       27405
ASName:         PSC
ASHandle:       AS27405
RegDate:        2003-02-27
Updated:        2021-11-24    
Ref:            https://rdap.arin.net/registry/autnum/27405


OrgName:        University System of New Hampshire
OrgId:          USNH
Address:        University of New Hampshire
Address:        50 College Road
City:           Durham
StateProv:      NH
PostalCode:     03824
Country:        US
RegDate:        1998-12-04
Updated:        2021-12-13
Ref:            https://rdap.arin.net/registry/entity/USNH


OrgNOCHandle: TBA102-ARIN
OrgNOCName:   Bargardo, Tony 
OrgNOCPhone:  +1-603-862-6677 
OrgNOCEmail:  tony.bargardo@unh.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/TBA102-ARIN

OrgAbuseHandle: HEATO14-ARIN
OrgAbuseName:   Heaton, Tobias 
OrgAbusePhone:  +1-603-862-1910 
OrgAbuseEmail:  tobias.heaton@unh.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HEATO14-ARIN

OrgTechHandle: TBA102-ARIN
OrgTechName:   Bargardo, Tony 
OrgTechPhone:  +1-603-862-6677 
OrgTechEmail:  tony.bargardo@unh.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/TBA102-ARIN

OrgAbuseHandle: ZP85-ARIN
OrgAbuseName:   Information Technology Service
OrgAbusePhone:  +1-603-535-2342 
OrgAbuseEmail:  dnsadmin@plymouth.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZP85-ARIN

OrgRoutingHandle: TBA102-ARIN
OrgRoutingName:   Bargardo, Tony 
OrgRoutingPhone:  +1-603-862-6677 
OrgRoutingEmail:  tony.bargardo@unh.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TBA102-ARIN

OrgTechHandle: ZK43-ARIN
OrgTechName:   Keene State College
OrgTechPhone:  +1-603-358-2929 
OrgTechEmail:  vgarza@keene.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/ZK43-ARIN

OrgTechHandle: HEATO14-ARIN
OrgTechName:   Heaton, Tobias 
OrgTechPhone:  +1-603-862-1910 
OrgTechEmail:  tobias.heaton@unh.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/HEATO14-ARIN

OrgAbuseHandle: NETWO1781-ARIN
OrgAbuseName:   Network Security
OrgAbusePhone:  +1-603-358-2066 
OrgAbuseEmail:  abuse@keene.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1781-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
AS29917	University System of New Hampshire	US
AS11745	University System of New Hampshire	US
AS394961	Saint Anselm College	US
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US

Upstreams

AS Number	Description	Country
AS29917	University System of New Hampshire	US
AS11745	University System of New Hampshire	US
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US

Downstreams

AS Number	Description	Country
AS29917	University System of New Hampshire	US
AS11745	University System of New Hampshire	US
AS394961	Saint Anselm College	US

Contacts

Email Contacts

tobias.heaton@unh.edu tony.bargardo@unh.edu dnsadmin@plymouth.edu vgarza@keene.edu

Abuse Contacts

abuse@keene.edu