Harvard University
AS1742 is Harvard University (harvard.edu). It announces 203,520 IPv4 addresses in 14 prefixes, and 4 IPv6 prefixes.
United States· ARIN· allocated 1992-02-19· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States203,520 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- HARVARD-UNIV
- name
- Harvard University
- org
- HARVAR-Z
- org name
- Harvard University
- org address
- HUIT Network Services, Patrick McEvilly - Director, 784 Memorial Drive, Cambridge, MA, 02139
- org city
- Cambridge
- org country
- US
- country
- US
- source
- arin
- created
- 1992-02-19
- updated
- 2023-12-21
- abuse name
- Abuse
- abuse email
- abuse@harvard.edu
- abuse phone
- +1-617-495-3574
- abuse kind
- role
- abuse city
- Cambridge
- abuse country
- US
- admin name
- Patrick Mcevilly
- admin email
- patrick_mcevilly@harvard.edu
- admin phone
- +1-617-495-9205
- admin kind
- person
- admin city
- Cambridge
- admin country
- US
- tech
- DASHB-ARIN|PMC277-ARIN
- tech name
- Benjamin Dash
- tech email
- Benjamin_Dash@harvard.edu
- tech phone
- +1-617-733-6824
- tech kind
- person
- tech city
- Cambridge
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP340.02%
- geonode, anyip, thordata0.02%
- None here
- None here
- None here
- None here
- Hosting IP1,2800.63%
- None here
- None here
- None here
- SSH IP600.03%
- 0.00%
- 0.04%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 65.112.0.0/20 | United States | valid | 19 | 2026-10-02 |
| 67.134.204.0/22 | United States | valid | 19 | 2026-10-02 |
| 128.103.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 131.142.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 140.247.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 140.247.111.0/24 | United States | valid | 10 | 2026-10-02 |
| 140.247.152.0/24 | United States | valid | 10 | 2026-10-02 |
| 140.247.174.0/24 | United States | valid | 10 | 2026-10-02 |
| 140.247.179.128/26 | United States | valid | 2 | 2026-10-02 |
| 140.247.236.0/24 | United States | valid | 10 | 2026-10-02 |
| 192.5.66.0/24 | United States | valid | 19 | 2026-10-02 |
| 192.54.223.0/24 | United States | valid | 19 | 2026-10-02 |
| 192.131.102.0/24 | United States | valid | 19 | 2026-10-02 |
| 199.94.60.0/22 | United States | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2602:fca9::/36 | United States | valid | 20 | 2026-10-02 |
| 2607:fb60::/32 | United States | valid | 20 | 2026-10-02 |
| 2607:fb60:2404::/46 | United States | valid | 12 | 2026-10-02 |
| 2620:32:8000::/48 | United States | not found | 20 | 2026-10-02 |
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