Seattle Public Library
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 5 · 4,353 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2620:18::/48) |
| Also registered under this name | 12 netblocks across 2 separate records |
| Record ID | 239457447 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 66.212.64.0/20 | Seattle Public Library | ARIN | DIRECT ALLOCATION | ● high |
| 198.137.188.0/24 | Seattle Public Library | ARIN | DIRECT ALLOCATION | ● high |
| 206.81.80.196/32 | Seattle Public Library | PEERINGDB | ASSIGNED | ● high |
| 2001:504:16::5415/128 | Seattle Public Library | PEERINGDB | ASSIGNED | ● high |
| 2620:18::/48 | Seattle Public Library | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: D
how networks compare →
33.3%
of checked blocks have valid RPKI ROA coverage
(2 of 6)
No discrepancies found among checked blocks.
NIC Handles
AS21525
AS21525
GS86-ARIN
NETWO3608-ARIN
NETWO3608-ARIN
SPL
SPLNE-ARIN