AS1742 Harvard University

HARVARD-UNIV

IPv4 Addresses: 203,520

Number of Peers: 13

Number of Prefixes: 17

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois

AS1742 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS1742 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

eric_kenny@harvard.edu

benjamin_dash@harvard.edu

patrick_mcevilly@harvard.edu

netmanager@harvard.edu

abuse@harvard.edu

Abuse Contacts:

patrick_mcevilly@harvard.edu

abuse@harvard.edu

Address:

HUIT Network Services,

Patrick McEvilly - Director,

784 Memorial Drive,

Cambridge,

MA,

02139,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
65.112.0.0/20	Harvard University	65.112.0.0/12	ARIN
67.134.204.0/22	Harvard University	67.128.0.0/13	ARIN
128.103.0.0/16	Harvard University	128.103.0.0/16	ARIN
131.142.0.0/16	Smithsonian Astrophysical Observatory	131.142.0.0/16	ARIN
140.247.0.0/16	Harvard University	140.247.0.0/16	ARIN
140.247.111.0/24	Harvard University	140.247.0.0/16	ARIN
140.247.152.0/24	Harvard University	140.247.0.0/16	ARIN
140.247.174.0/24	Harvard University	140.247.0.0/16	ARIN
140.247.236.0/24	Harvard University	140.247.0.0/16	ARIN
192.5.66.0/24	Harvard University	192.5.66.0/24	ARIN
192.54.223.0/24	Harvard University	192.54.223.0/24	ARIN
192.131.102.0/24	Harvard University	192.131.102.0/24	ARIN
199.94.60.0/22	Harvard University	199.92.0.0/14	ARIN

Announced Prefix	Description	Parent Prefix	RIR
2602:fca9::/36	Harvard University	2602:fca9::/36	ARIN
2607:fb60::/32	Harvard University	2607:fb60::/32	ARIN
2607:fb60:2400::/40	Harvard University	2607:fb60::/32	ARIN
2620:32:8000::/48	Smithsonian Astrophysical Observatory	2620:32:8000::/48	ARIN

IPv4 Peers
IPv6 Peers

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS174	COGENT-174	Cogent Communications
AS10578	GIGAPOP-NE	Harvard University
AS11537	INTERNET2-RESEARCH-EDU	Internet2
AS40127	LMANET	Longwood Medical and Academic Area (LMA)
AS11164	INTERNET2-I2PX	Internet2
AS13315	HBSNET	Harvard Business School

ASN	Name	Description
AS10578	GIGAPOP-NE	Harvard University
AS174	COGENT-174	Cogent Communications
AS3356	LEVEL3	Level 3 Parent, LLC
AS40127	LMANET	Longwood Medical and Academic Area (LMA)
AS11164	INTERNET2-I2PX	Internet2
AS11537	INTERNET2-RESEARCH-EDU	Internet2

IPv4 Upstreams
IPv6 Upstreams

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS174	COGENT-174	Cogent Communications
AS10578	GIGAPOP-NE	Harvard University
AS11164	INTERNET2-I2PX	Internet2

IPv4 Upstream Graph

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS174	COGENT-174	Cogent Communications
AS10578	GIGAPOP-NE	Harvard University
AS11164	INTERNET2-I2PX	Internet2

IPv6 Upstream Graph

IPv4 Downstreams
IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS13315	HBSNET	Harvard Business School
	AS40127	LMANET	Longwood Medical and Academic Area (LMA)

Country	ASN	Name	Description	IPv4
	AS40127	LMANET	Longwood Medical and Academic Area (LMA)

#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       1742
ASName:         HARVARD-UNIV
ASHandle:       AS1742
RegDate:        1992-02-19
Updated:        2023-12-21    
Ref:            https://rdap.arin.net/registry/autnum/1742


OrgName:        Harvard University
OrgId:          HARVAR-Z
Address:        HUIT Network Services
Address:        Patrick McEvilly - Director
Address:        784 Memorial Drive
City:           Cambridge
StateProv:      MA
PostalCode:     02139
Country:        US
RegDate:        2023-08-16
Updated:        2024-07-01
Ref:            https://rdap.arin.net/registry/entity/HARVAR-Z


OrgRoutingHandle: KENNY32-ARIN
OrgRoutingName:   Kenny, Eric 
OrgRoutingPhone:  +1-617-496-9930 
OrgRoutingEmail:  eric_kenny@harvard.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KENNY32-ARIN

OrgTechHandle: KENNY32-ARIN
OrgTechName:   Kenny, Eric 
OrgTechPhone:  +1-617-496-9930 
OrgTechEmail:  eric_kenny@harvard.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/KENNY32-ARIN

OrgTechHandle: DASHB-ARIN
OrgTechName:   Dash, Benjamin 
OrgTechPhone:  +1-617-733-6824 
OrgTechEmail:  Benjamin_Dash@harvard.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DASHB-ARIN

OrgNOCHandle: PMC277-ARIN
OrgNOCName:   Mcevilly, Patrick 
OrgNOCPhone:  +1-617-495-9205 
OrgNOCEmail:  patrick_mcevilly@harvard.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgDNSHandle: PMC277-ARIN
OrgDNSName:   Mcevilly, Patrick 
OrgDNSPhone:  +1-617-495-9205 
OrgDNSEmail:  patrick_mcevilly@harvard.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgAbuseHandle: PMC277-ARIN
OrgAbuseName:   Mcevilly, Patrick 
OrgAbusePhone:  +1-617-495-9205 
OrgAbuseEmail:  patrick_mcevilly@harvard.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgRoutingHandle: PMC277-ARIN
OrgRoutingName:   Mcevilly, Patrick 
OrgRoutingPhone:  +1-617-495-9205 
OrgRoutingEmail:  patrick_mcevilly@harvard.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgNOCHandle: NETWO4930-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-617-495-3574 
OrgNOCEmail:  netmanager@harvard.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4930-ARIN

OrgDNSHandle: DASHB-ARIN
OrgDNSName:   Dash, Benjamin 
OrgDNSPhone:  +1-617-733-6824 
OrgDNSEmail:  Benjamin_Dash@harvard.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/DASHB-ARIN

OrgAbuseHandle: ABUSE3331-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-617-495-3574 
OrgAbuseEmail:  abuse@harvard.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3331-ARIN

OrgTechHandle: PMC277-ARIN
OrgTechName:   Mcevilly, Patrick 
OrgTechPhone:  +1-617-495-9205 
OrgTechEmail:  patrick_mcevilly@harvard.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

RAbuseHandle: ABUSE3331-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-617-495-3574 
RAbuseEmail:  abuse@harvard.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3331-ARIN

RNOCHandle: NETWO4930-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-617-495-3574 
RNOCEmail:  netmanager@harvard.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO4930-ARIN

RTechHandle: PMC277-ARIN
RTechName:   Mcevilly, Patrick 
RTechPhone:  +1-617-495-9205 
RTechEmail:  patrick_mcevilly@harvard.edu
RTechRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

RTechHandle: DASHB-ARIN
RTechName:   Dash, Benjamin 
RTechPhone:  +1-617-733-6824 
RTechEmail:  Benjamin_Dash@harvard.edu
RTechRef:    https://rdap.arin.net/registry/entity/DASHB-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Country	IX	Name	IPv4	IPv6	Port Speed