AS397285 Cambridge Telephone

CAMBRIDGETELEPHONECO - Cambridge Telephone · registered in the United States

IPv4 addresses2,8164 prefixes · <0.001% of announced IPv4

Rank in United States#5,533largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,596of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397285 in ASN lookup Look up an IP in this network (45.33.208.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

45.33.208.0/21
45.33.216.0/24
45.33.220.0/24
45.33.223.0/24

Other ASNs named Cambridge Telephone

1 other network uses the same organisation name; together with AS397285 they announce 6,144 IPv4 addresses.

ASNNameIPv4 addresses

AS397268WILDWISP-01 - Cambridge Telephone US3,328

Similar-sized networks in United States

ASNNameIPv4 addresses

AS396018#5530 INOVALON - Inovalon Inc.2,816

AS396856#5531 AS-SHARON - Sharon Networks, LLC2,816

AS396944#5532 UNFI - UNFI2,816

AS397475#5534 FBCOM - F&B Communications, Inc.2,816

AS397772#5535 NTS-MCALLEN-01 - Vexus Fiber2,816

AS398743#5536 NEMOURS - The Nemours Foundation2,816

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources