AS42845 Bretagnetelecom BLUE SAS

Bretagnetelecom BLUE SAS · registered in France

IPv4 addresses16,89614 prefixes · <0.001% of announced IPv4

Rank in France#96largest network in FR by IPv4 space, of 1,375 · 0.02% of FR

Rank worldwide#6,753of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryFrance1,474 ASNs registered there

Open AS42845 in ASN lookup Look up an IP in this network (37.157.224.1) All networks in France

IPv4 prefixes

All 14 prefixes, in address order.

37.157.224.0/21
45.137.144.0/22
77.74.208.0/21
89.46.96.0/22
95.128.144.0/21
149.255.48.0/21
185.40.224.0/22
185.87.92.0/22
185.135.124.0/22
185.185.116.0/22
185.232.224.0/22
193.28.233.0/24
193.104.205.0/24
194.150.92.0/22

IPv6 prefixes

All 1 prefix.

2a00:7200::/32

Similar-sized networks in France

ASNNameIPv4 addresses

AS203476#93 GANDI-AS-2 GANDI SAS17,408

AS35077#94 Netwo Netwo SAS17,408

AS8839#95 SDV-AS SDV6TM SAS16,896

AS49690#97 SGT-FR Saint Gobain Group Digital & IT International SAS16,896

AS42487#98 Vialis-Moselle Vialis SEM16,640

AS39180#99 LASOTEL LASOTEL SAS16,640

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