AS6373 Opus One

OPUS1 - Opus One · registered in the United States

IPv4 addresses9,9847 prefixes · <0.001% of announced IPv4

Rank in United States#2,967largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#9,135of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS6373 in ASN lookup Look up an IP in this network (192.35.195.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

192.35.195.0/24
192.245.12.0/23
192.245.15.0/24
199.79.152.0/24
204.27.149.0/24
204.52.218.0/24
207.182.32.0/19

IPv6 prefixes

All 1 prefix.

2607:7c80:57::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS30133#2964 ISC-F-AS - Internet Systems Consortium, Inc.9,984

AS16766#2965 ISLAND-TECHNOLOGY-INC - Island Technology, Inc.9,984

AS8068#2966 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation9,984

AS6421#2968 AS6421 - TATA COMMUNICATIONS (AMERICA) INC9,984

AS11409#2969 EFXSECURE - Equifax, Inc.9,984

AS21789#2970 168-244 - Lowe's Companies, Inc.9,984

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