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Cambridge Telephone

Cambridge Telephone uses 13,312 IPv4 addresses in 18 ranges, and 3 IPv6 ranges, by the registry records IP Company reads.

ctctele.com·United States

13,312
IPv4 addresses
18
IPv4 ranges
3
IPv6 ranges
2
ASes it operates
1
country

Who routes its space

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

  1. AS15305 Syringa Networks, LLC4,608 · 34.62%
  2. AS397268 Cambridge Telephone2,816 · 21.15%
  3. AS397285 Cambridge Telephone2,816 · 21.15%
  4. AS14230 ARK Data Centers LLC2,560 · 19.23%

Where its space is

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

  1. United States13,312 · 100.00%

Networks it operates

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

ASNNAMETYPEREGISTEREDIPV4
AS397268Cambridge TelephoneISPUnited States3,328
AS397285Cambridge TelephoneISPUnited States2,816

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
8.7 Mbps
median download
2.0 Mbps
median upload
29
download tests
27
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
66.232.72.0/212,048AS15305
66.232.80.0/221,024AS15305
45.33.208.0/212,048AS397285
45.33.216.0/24256AS397285
199.58.120.0/212,048AS397268
208.98.176.0/221,024AS15305
209.19.149.0/24256AS14230
209.19.150.0/23512AS14230
209.19.132.0/23512AS14230
209.19.154.0/23512AS14230
45.33.218.0/23512AS397268
209.19.144.0/24256AS14230
209.19.158.0/24256AS14230
209.19.171.0/24256AS14230
216.182.107.0/24256AS15305
23.172.192.0/24256AS397268
45.33.217.0/24256
45.33.220.0/24256AS397285
45.33.221.0/24256
45.33.222.0/24256AS15305
45.33.223.0/24256AS397285
2604:9c40::/32
2606:6580:4000::/34
2606:6580:8000::/33
2606:6580::/34AS15305
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