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Seattle Public Library

Seattle Public Library uses 4,372 IPv4 addresses in 6 ranges, and 1 IPv6 range, by the registry records IP Company reads.

spl.org·United States

4,372
IPv4 addresses
6
IPv4 ranges
1
IPv6 range
1
AS it operates
1
country

About the company

Who it is, where it is registered and who owns it.

Description
Public library system serving Seattle, Washington
Founded
1890
Headquarters
United States

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS21525 Seattle Public Library4,096 · 93.69%
  2. AS6461 Zayo Bandwidth20 · 0.46%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. United States4,352 · 100.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

ASNNAMETYPEREGISTEREDIPV4
AS21525Seattle Public LibraryEducationUnited States4,096

How its networks peer

Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.

ASNPOLICYTRAFFICRATIOSCOPEEXCHANGESFACILITIES
AS21525Open100-1000MbpsMostly InboundRegional10

Internet exchanges

The internet exchanges its networks connect at, by the capacity of their ports there: 1 exchange, 1 port and 10 Gbps in all.

EXCHANGEWHEREPORTSCAPACITY
SIX SeattleSeattle, United States110 Gbps

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
94.2 Mbps
median download
218 Mbps
median upload
30
download tests
35
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

RANGEIPV4ORIGIN
66.212.64.0/204,096AS21525
198.137.188.0/24256
216.200.123.208/298AS6461
209.249.146.176/304AS6461
209.249.146.184/304AS6461
64.125.101.32/304AS6461
2620:18::/48AS21525
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.