AS Number
AS40401
AS Name
BACKBLAZE
Org Name
Backblaze Inc
Registry

arin

RegDate

2016-02-22

Updated

2026-02-04

AS40401 Looking Glass
IPv4Prefixes

23

IPv6Prefixes

34

IPv4 NUMs

8,704

IPv6 NUMs(/64)

5,439,488

8,704 IPv4 Addresses
CIDR Description IP Num
45.11.36.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
45.11.37.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
45.11.38.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
45.11.39.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
104.153.232.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
104.153.234.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
104.153.235.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
104.153.236.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
104.153.237.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
104.153.238.0/24
ROA Signed and Valid IRR Parent Valid
Backblaze Inc 256
149.137.128.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
149.137.130.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
149.137.132.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
149.137.134.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
149.137.136.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
149.137.137.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
149.137.138.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
149.137.140.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
149.137.141.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
149.137.142.0/24
ROA Signed and Valid IRR Valid
Backblaze Inc 256
206.190.208.0/22
ROA Signed and Valid IRR InValid
Backblaze Inc 1024
206.190.212.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
206.190.214.0/23
ROA Signed and Valid IRR Valid
Backblaze Inc 512
CIDR Description IP NUMs(prefix /64)
2605:72c0:100::/45
ROA Signed and Valid IRR Valid
Backblaze Inc 524288
2605:72c0:1fc::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:1fd::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:1fe::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:1ff::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:200::/45
ROA Signed and Valid IRR Valid
Backblaze Inc 524288
2605:72c0:208::/48
ROA Signed and Valid IRR Parent Valid
Backblaze Inc 65536
2605:72c0:209::/48
ROA Signed and Valid IRR Parent Valid
Backblaze Inc 65536
2605:72c0:20a::/48
ROA Signed and Valid IRR Parent Valid
Backblaze Inc 65536
2605:72c0:2fc::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:2fd::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:2fe::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:2ff::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:400::/45
ROA Signed and Valid IRR Valid
Backblaze Inc 524288
2605:72c0:4fc::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:4fd::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:4fe::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:4ff::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:500::/45
ROA Signed and Valid IRR Valid
Backblaze Inc 524288
2605:72c0:5fc::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:5fd::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:5fe::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:5ff::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:600::/45
ROA Signed and Valid IRR Valid
Backblaze Inc 524288
2605:72c0:6fc::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:6fd::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:6fe::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:6ff::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:700::/45
ROA Signed and Valid IRR Parent Valid
Backblaze Inc 524288
2605:72c0:800::/45
ROA Signed and Valid IRR Valid
Backblaze Inc 524288
2605:72c0:8fc::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:8fd::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:8fe::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
2605:72c0:8ff::/48
ROA Signed and Valid IRR Valid
Backblaze Inc 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 10,240 295,305,216 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 55,296 81,604,378,624 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv6 IPv6
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS4230 CLARO S.A., BR Brazil 5,155,584 21,475,098,624 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,245,376 17,592,186,109,952 IPv6 IPv6
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 256 0 IPv4 IPv4
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1,146,112 21,474,836,480 IPv4 IPv4 IPv6 IPv6
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 188,672 8,592,162,816 IPv4 IPv4 IPv6 IPv6
AS40271 SFMIX-TRANSIT - San Francisco Metropolitan Internet Exchange (SFMIX), US United States 768 65,536 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 123,136 77,422,723,074 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,936 4,294,967,296 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 370,176 38,654,705,664 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 130,304 118,226,945 IPv4 IPv4 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 14,848 68,719,607,808 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 4,296,146,944 IPv4 IPv4 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv6 IPv6
AS6777 AMS-IX-RS - Amsterdam Internet Exchange B.V., NL Netherlands 0 0 IPv6 IPv6
AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc., CA Canada 5,777,664 21,474,902,016 IPv4 IPv4 IPv6 IPv6
AS1403 EBOX, CA Canada 337,408 73,014,444,032 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 2,560 268,501,000 IPv4 IPv4 IPv6 IPv6
AS11164 INTERNET2-I2PX - Internet2, US United States 2,048 17,170,432 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,848 42,949,804,032 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv6 IPv6
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 70,144 18,546,688 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,574,720 438,087,778,304 IPv4 IPv4 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 82,176 188,978,561,024 IPv6 IPv6
AS21320 GEANT_IAS_VRF - GEANT Vereniging, NL Netherlands 2,048 4,294,967,296 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv6 IPv6
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2,048 0 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 424,192 77,326,843,904 IPv4 IPv4 IPv6 IPv6
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326,144 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,320 25,770,590,208 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS16347 INHERENT - ADISTA SAS, FR France 246,272 390,842,023,936 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135,424 42,949,672,960 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,876,544 81,609,621,504 IPv4 IPv4 IPv6 IPv6
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,216 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS2518 BIGLOBE - BIGLOBE Inc., JP Japan 3,670,016 38,654,705,664 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,744 107,374,182,400 IPv6 IPv6
AS2152 CENIC-2152 - CENIC, US United States 2,011,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 4,096 4,294,967,296 IPv6 IPv6
AS293 ESNET, US United States 140,800 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,368 107,374,182,400 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 456,704 282,627,370,713,088 IPv4 IPv4 IPv6 IPv6
AS33185 HIVE-DATA-CENTER - Hive Data Center Inc., CA Canada 5,376 268,566,528 IPv4 IPv4 IPv6 IPv6
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 110,336 21,476,802,560 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS396865 BACKBLAZE - Backblaze Inc, US United States 256 268,435,456 IPv4 IPv4 IPv6 IPv6
ASNumber:       40401
ASName:         BACKBLAZE
ASHandle:       AS40401
RegDate:        2020-08-20
Updated:        2020-08-20
Comment:        www.backblaze.com
Ref:            https://rdap.arin.net/registry/autnum/40401


OrgName:        Backblaze Inc
OrgId:          BACKB-7
Address:        2261 Market Street STE 81006
City:           San Francisco
StateProv:      CA
PostalCode:     94114
Country:        US
RegDate:        2016-02-22
Updated:        2026-02-04
Ref:            https://rdap.arin.net/registry/entity/BACKB-7


OrgTechHandle: BACKB1-ARIN
OrgTechName:   Backblaze whoisinfo
OrgTechPhone:  +1-650-352-3738 
OrgTechEmail:  whoisinfo@backblaze.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BACKB1-ARIN

OrgAbuseHandle: ABUSE5514-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +1-650-352-3738 
OrgAbuseEmail:  abuse@backblaze.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5514-ARIN