Seattle Public Library
AS21525 is Seattle Public Library (spl.org). It announces 4,096 IPv4 addresses in 1 prefix, and 1 IPv6 prefix.
United States· ARIN· allocated 2001-05-16· 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 States4,096 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AS-SPL
- name
- Seattle Public Library
- org
- SPL
- org name
- Seattle Public Library
- org address
- 1000 4th Avenue, Seattle, WA, 98104-1109
- org city
- Seattle
- org country
- US
- country
- US
- source
- arin
- created
- 2001-05-16
- updated
- 2012-03-02
- abuse name
- Network Operations
- abuse email
- netops@spl.org
- abuse phone
- +1-206-386-4170
- abuse kind
- role
- abuse city
- Seattle
- abuse country
- US
- admin name
- SPL-Netadmin
- admin email
- netadmin@spl.org
- admin phone
- +1-206-386-4163
- admin kind
- role
- admin city
- Seattle
- admin country
- US
- tech
- NETWO3608-ARIN
- tech name
- Network Operations
- tech email
- netops@spl.org
- tech phone
- +1-206-386-4170
- tech kind
- role
- tech city
- Seattle
- tech country
- US
- abuse validated
- 1
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.
- 0.02%
- Geonode, anyIP0.10%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.05%
- None here
- None here
- 0.07%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 66.212.64.0/20 | United States | Not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:18::/48 | United States | Not found | 19 | 2026-10-02 |
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