Williams College
AS11399 is Williams College (williams.edu). It announces 65,792 IPv4 addresses in 3 prefixes, and 4 IPv6 prefixes.
United States· ARIN· allocated 1998-08-05· 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 States65,792 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- WILLIAMSCOLLEGE
- name
- Williams College
- org
- WCCC-8
- org name
- Williams College
- org address
- 880 Main Street, Williamstown, MA, 01267
- org city
- Williamstown
- org country
- US
- country
- US
- source
- arin
- created
- 1998-08-05
- updated
- 2017-06-07
- abuse name
- Network Operations
- abuse email
- noc@williams.edu
- abuse phone
- +1-413-597-2032
- abuse kind
- role
- abuse city
- Williamstown
- abuse country
- US
- admin name
- Network Operations
- admin email
- noc@williams.edu
- admin phone
- +1-413-597-2032
- admin kind
- role
- admin city
- Williamstown
- admin country
- US
- tech
- NETWO8124-ARIN
- tech name
- Network Operations
- tech email
- noc@williams.edu
- tech phone
- +1-413-597-2032
- tech kind
- role
- tech city
- Williamstown
- 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.
- 0.00%
- thordata0.00%
- None here
- None here
- None here
- None here
- Hosting IP7681.17%
- None here
- None here
- None here
- SSH IP340.05%
- None here
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 137.165.0.0/17 | United States | valid | 18 | 2026-10-02 |
| 137.165.128.0/17 | United States | valid | 18 | 2026-10-02 |
| 204.225.173.0/24 | United States | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:470:ed::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:811:3000::/44 | United States | valid | 20 | 2026-10-02 |
| 2606:6b40:fff1::/48 | United States | valid | 20 | 2026-10-02 |
| 2606:6b40:fff2::/48 | United States | valid | 20 | 2026-10-02 |
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