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
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,848 42,949,804,032 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 55,296 81,604,378,624 IPv6 IPv6
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 256 0 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,245,376 17,592,186,109,952 IPv6 IPv6
AS40271 SFMIX-TRANSIT - San Francisco Metropolitan Internet Exchange (SFMIX), US United States 768 65,536 IPv4 IPv4 IPv6 IPv6
AS6777 AMS-IX-RS - Amsterdam Internet Exchange B.V., NL Netherlands 0 0 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,368 107,374,182,400 IPv6 IPv6
AS16347 INHERENT - ADISTA SAS, FR France 246,272 390,842,023,936 IPv6 IPv6
AS21320 GEANT_IAS_VRF - GEANT Vereniging, NL Netherlands 2,048 4,294,967,296 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv6 IPv6
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2,048 0 IPv6 IPv6
AS293 ESNET, US United States 140,800 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1,146,112 21,474,836,480 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 4,296,146,944 IPv4 IPv4 IPv6 IPv6
AS2518 BIGLOBE - BIGLOBE Inc., JP Japan 3,670,016 38,654,705,664 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 123,136 77,422,723,074 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 4,096 4,294,967,296 IPv6 IPv6
AS1403 EBOX, CA Canada 337,408 73,014,444,032 IPv4 IPv4 IPv6 IPv6
AS2152 CENIC-2152 - CENIC, US United States 2,011,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,876,544 81,609,621,504 IPv4 IPv4 IPv6 IPv6
AS11164 INTERNET2-I2PX - Internet2, US United States 2,048 17,170,432 IPv4 IPv4 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 424,192 77,326,843,904 IPv4 IPv4 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
AS25091 IP-Max - IP-Max SA, CH Switzerland 14,848 68,719,607,808 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,744 107,374,182,400 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 188,672 8,592,162,816 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv6 IPv6
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,574,720 438,087,778,304 IPv4 IPv4 IPv6 IPv6
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326,144 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4 IPv6 IPv6
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 130,304 118,226,945 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 2,560 268,501,000 IPv4 IPv4 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 370,176 38,654,705,664 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 10,240 295,305,216 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,320 25,770,590,208 IPv4 IPv4
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,216 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 82,176 188,978,561,024 IPv6 IPv6
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135,424 42,949,672,960 IPv6 IPv6
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 110,336 21,476,802,560 IPv4 IPv4
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv6 IPv6
AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc., CA Canada 5,777,664 21,474,902,016 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
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,936 4,294,967,296 IPv6 IPv6
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 70,144 18,546,688 IPv4 IPv4
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4 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:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/BACKB1-ARIN

OrgAbuseHandle: ABUSE5514-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +1-650-352-3738 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5514-ARIN