AS1742

Harvard University

AS 1742 HARVARD-UNIV

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

204,608 IP addresses
ASN1742
NameHARVARD-UNIV
OrganizationHarvard University
CountryUnited States  
RegistryARIN
IPv4 addresses204,608
IPv6 /64 networks1.06 x 232
Prefixes18
Other ASN allocated to Harvard University
ASN Name IP addresses
10578 GIGAPOP-NE 24,832
11 HARVARD 0
IPv4 Prefixes for AS1742
Network Location Addresses
128.103.0.0/16 Harvard University   Cambridge (Cambridgeport) 65,536
131.142.0.0/16 Harvard-Smithsonian Center Astrophysics   Cambridge (Neighborhood Nine) 65,536
140.247.0.0/16 Harvard University   Cambridge (Cambridgeport) 65,536
140.247.111.0/24 Harvard University   New York 256
140.247.152.0/24 Harvard University   New York 256
140.247.174.0/24 Harvard University   New York 256
140.247.179.128/26 Harvard University   New York 64
140.247.236.0/24 Harvard University   New York 256
192.131.102.0/24 Rowland Institute Science   Cambridge (East Cambridge) 256
192.5.66.0/24 Harvard University   Cambridge (Cambridgeport) 256
192.54.223.0/24 Harvard University   Cambridge (Agassiz) 256
199.94.60.0/22 Harvard University   Cambridge (Cambridgeport) 1,024
65.112.0.0/20 Harvard University   Boston (Downtown) 4,096
67.134.204.0/22 Qlt Harvard University   Boston (Downtown) 1,024
IPv6 Prefixes for AS1742
Network Location /64 Prefixes
2602:fca9::/36 Harvard University   Cambridge (Cambridgeport) 228
2607:fb60:2404::/46 Harvard University   New York 218
2607:fb60::/32 Harvard University   Cambridge (Cambridgeport) 232
2620:32:8000::/48 Harvard University   Cambridge (Neighborhood Nine) 216