University of Washington
AS101 is University of Washington (pnwgp.net). It announces 4,096 IPv4 addresses in 3 prefixes, and 4 IPv6 prefixes.
United States· ARIN· allocated 1987-03-31· 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 States4,608 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- WASH-NSF-AS
- name
- University of Washington
- org
- UWND-Z
- org name
- University of Washington
- org address
- 4545 15th Ave NE, Seattle, WA, 98105
- org city
- Seattle
- org country
- US
- country
- US
- source
- arin
- created
- 1987-03-31
- updated
- 2021-10-01
- abuse name
- University of Washington Security Operations
- abuse email
- abuse@uw.edu
- abuse phone
- +1-206-221-7000
- abuse kind
- role
- abuse city
- Seattle
- abuse country
- US
- admin name
- University of Washington Networks and Distributed
- admin email
- uw-noc@uw.edu
- admin phone
- +1-206-221-6000
- admin kind
- role
- admin city
- Seattle
- admin country
- US
- tech
- UW-NOC-ARIN
- tech name
- University of Washington Networks and Distributed
- tech email
- uw-noc@uw.edu
- tech phone
- +1-206-221-6000
- tech kind
- role
- tech city
- Seattle
- tech country
- US
- abuse unvalidated since
- 2022-10-22
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.
- 0.05%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- CDN IP24akamai0.59%
- None here
- None here
- 0.17%
- None here
- 0.07%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 209.124.176.0/20 | United States | valid | 17 | 2026-10-02 |
| 209.124.176.0/21 | United States | valid | 18 | 2026-10-02 |
| 209.124.184.0/21 | United States | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:1860::/32 | United States | valid | 19 | 2026-10-02 |
| 2001:1860:4000::/34 | United States | valid | 18 | 2026-10-02 |
| 2001:1860:8000::/34 | United States | valid | 19 | 2026-10-02 |
| 2001:1860:c000::/34 | United States | valid | 2 | 2026-10-02 |
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