AS393429 Bertram Communications LLC

OPTIC-LOOP-COMMUNICATIONS-LLC - Bertram Communications LLC · registered in the United States

IPv4 addresses3,3283 prefixes · <0.001% of announced IPv4

Rank in United States#5,231largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,851of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS393429 in ASN lookup Look up an IP in this network (139.60.8.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

139.60.8.0/21
216.127.219.0/24
216.127.220.0/22

Other ASNs named Bertram Communications LLC

1 other network uses the same organisation name; together with AS393429 they announce 37,888 IPv4 addresses.

ASNNameIPv4 addresses

AS36001BERTRAM-COMMUNICATIONS-LLC - Bertram Communications LLC US34,560

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ASNNameIPv4 addresses

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AS393422#5230 NEWVISIONS-CNY - New Visions Communications Inc3,328

AS393861#5232 INOVA-PRIMARYASN-01 - Inova Health System Foundation3,328

AS394133#5233 ATLRETAIL - T5 @ ATLANTA, LLC3,328

AS394135#5234 SECURITAS-ELECT-SECURITY - Securitas Electronic Security, Inc.3,328

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