1742 HARVARD-UNIV - Harvard University
Adjacency: 5 Upstream: 2 Downstream: 3
Upstream Adjacent AS list
AS174 COGENT Cogent/PSI
AS209 ASN-QWEST - Qwest
Downstream Adjacent AS list
AS32318 CHSDC - Center for Hellenic Studies
AS11 HARVARD - Harvard University
AS40127 LMANET - Longwood Medical Area network (LMAnet)
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1125 AS1742 ORG+TRN Originate: 144640 /14.86 Transit: 328192 /13.68 HARVARD-UNIV - Harvard University
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 6673 AS1742 HARVARD-UNIV - Harvard University 7 0 0 7 0 0.00% Prefix AS Path Aggregation Suggestion 12.0.48.0/20 4637 174 1742 12.6.208.0/20 4637 174 1742 65.112.0.0/20 4637 174 1742 67.134.204.0/22 4637 209 1742 128.103.0.0/16 4637 174 1742 131.142.0.0/16 4637 174 1742 192.5.66.0/24 4637 174 1742
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS1742 4 More Specifics 7 Total Advertisements HARVARD-UNIV - Harvard University
12.0.48.0/20 12.0.0.0/8
12.6.208.0/20 12.0.0.0/8
65.112.0.0/20 65.112.0.0/12
67.134.204.0/22 67.128.0.0/13
whois: 402603
IANA has recorded AS1742 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS1742\n
#
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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
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
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
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
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
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
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
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
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
OrgAbuseHandle: ABUSE3331-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-617-495-3574
OrgAbuseEmail: abuse@harvard.edu
OrgAbuseRef: 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
RAbuseHandle: ABUSE3331-ARIN
RAbuseName: Abuse
RAbusePhone: +1-617-495-3574
RAbuseEmail: abuse@harvard.edu
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3331-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 1997-2026, American Registry for Internet Numbers, Ltd.
#