HTTPfy

AS40401 Backblaze Inc

BACKBLAZE - Backblaze Inc · registered in the United States

IPv4 addresses9,2168 prefixes · <0.001% of announced IPv4
Rank in United States#3,071largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#9,567of 79,396 networks with IPv4
IPv681 x /4835 prefixes
CountryUnited States18,679 ASNs registered there
Open AS40401 in ASN lookup Look up an IP in this network (45.11.36.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

  • 45.11.36.0/22
  • 104.153.232.0/21
  • 149.137.128.0/21
  • 149.137.136.0/22
  • 149.137.140.0/23
  • 149.137.142.0/24
  • 206.190.208.0/21
  • 207.166.148.0/24

IPv6 prefixes

All 35 prefixes.

  • 2605:72c0:100::/46
  • 2605:72c0:104::/47
  • 2605:72c0:106::/47
  • 2605:72c0:1fc::/46
  • 2605:72c0:200::/48
  • 2605:72c0:201::/48
  • 2605:72c0:202::/47
  • 2605:72c0:204::/47
  • 2605:72c0:206::/47
  • 2605:72c0:2fc::/46
  • 2605:72c0:400::/46
  • 2605:72c0:404::/47
  • 2605:72c0:406::/47
  • 2605:72c0:4fc::/46
  • 2605:72c0:500::/48
  • 2605:72c0:501::/48
  • 2605:72c0:502::/47
  • 2605:72c0:504::/47
  • 2605:72c0:506::/47
  • 2605:72c0:5fc::/46
  • 2605:72c0:600::/48
  • 2605:72c0:601::/48
  • 2605:72c0:602::/47
  • 2605:72c0:604::/47
  • 2605:72c0:606::/47
  • 2605:72c0:608::/48
  • 2605:72c0:6fc::/46
  • 2605:72c0:700::/48
  • 2605:72c0:701::/48
  • 2605:72c0:702::/47
  • 2605:72c0:704::/46
  • 2605:72c0:800::/46
  • 2605:72c0:804::/47
  • 2605:72c0:806::/47
  • 2605:72c0:8fc::/46

Other ASNs named Backblaze Inc

1 other network uses the same organisation name; together with AS40401 they announce 9,472 IPv4 addresses.

ASNNameIPv4 addresses
AS396865BACKBLAZE - Backblaze Inc US256

Similar-sized networks in United States

ASNNameIPv4 addresses
AS46378#3068 FSX-350 - FSX HOLDINGS, LLC9,216
AS46513#3069 ALARM-PROD-US-AS - Alarm.com, Inc.9,216
AS32307#3070 VIAERO-WIRELESS-GPRS - NE COLORADO CELLULAR INC9,216
AS16740#3072 DX-SECURE - DOXX.NET CORPORATION9,216
AS46416#3073 BANKONIT - BankOnIT, L.L.C.9,216
AS210329#3074 CloudWebManage-UK-1 Kamatera Inc9,216

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