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Cambium Learning, Inc.

Cambium Learning, Inc. uses 1,222 IPv4 addresses in 7 ranges, by the registry records IP Company reads.

cambiumlearning.com·United States

1,222
IPv4 addresses
7
IPv4 ranges
0
IPv6 ranges
1
AS it operates
1
country

Who routes its space

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

  1. AS397969 Cambium Learning, Inc.1,024 · 83.80%
  2. AS7018 AT&T Enterprises, LLC96 · 7.86%
  3. AS209 CenturyLink Communications, LLC80 · 6.55%
  4. AS701 Verizon Business16 · 1.31%
  5. AS6461 Zayo Bandwidth4 · 0.33%
  6. AS174 Cogent Communications, LLC2 · 0.16%

Where its space is

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

  1. United States1,280 · 100.00%

Networks it operates

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

ASNNAMETYPEREGISTEREDIPV4
AS397969Cambium Learning, Inc.BusinessUnited States1,024

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
64.5 Mbps
median download
17.5 Mbps
median upload
68
download tests
61
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
66.248.224.0/221,024AS397969
12.233.124.128/2664AS7018
12.233.124.192/2732AS7018
199.117.49.192/2664AS209
63.149.68.96/2816AS209
98.110.223.208/2816AS701
64.125.186.52/304AS6461
38.32.16.238/312AS174

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. Cambium Learning, Inc.1,024 · 83.80%
  2. CAMBIUM LEARNING GROUP, INC.96 · 7.86%
  3. CAMBIUM LEARNING CENTER80 · 6.55%
  4. CAMBIUM LEARNING16 · 1.31%
  5. Cambium Learning Group, Inc4 · 0.33%
  6. Cambium Learning Group Inc2 · 0.16%
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