LAYER3 INTEL
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Data as of Nov 11, 2026

72.3.128.0/17

No anonymizer space · no proxy exits in 30 days

Rackspace Hosting

Announcement
this exact prefix
No RPKI
Announced by
AS33070
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.3.128.0/1732,768RSCP-NET-4Rackspace Hosting (RACKS-8) · USDirect AllocationOct 4, 2004abuse@rackspace.com
└ 72.3.244.144/2816RACKS-8-1431530180983156unknown———
└ 72.3.244.160/2816RACKS-8-1360592273640078unknown———
└ 72.3.244.200/298RACKS-8-1282665965921390unknown———
└ 72.3.244.224/2816RACKS-8-18641786175014682489-4506564unknown———
└ 72.3.244.248/298RACKS-8-1425907575824358unknown———
└ 72.3.245.0/24256RACKS-8-12987000010029387unknown———
└ 72.3.246.24/298RSPC-1264104728148473unknown———
└ 72.3.246.32/298RACKS-8-1445281578179713unknown———
└ 72.3.246.40/298RACKS-8-1360592274169630unknown———
└ 72.3.246.64/2816RACKS-8-1420483338938724unknown———
└ 72.3.246.80/298RACKS-8-1312230373222955unknown———
└ 72.3.246.112/2816RACKS-8-1360334294905147unknown———
└ 72.3.246.152/298RACKS-8-1432803642659709unknown———
└ 72.3.246.192/2732RACKS-8-6146548670634503649603645-60254052unknown———
└ 72.3.246.224/2816RACKS-8-1288376525815476unknown———
└ 72.3.246.240/298RACKS-8-1418672433959162unknown———
└ 72.3.247.0/24256RACKS-8-12987000011029387unknown———
└ 72.3.248.0/298RSPC-1259178968785393unknown———
└ 72.3.248.8/298RACKS-8-1360592274050190unknown———
└ 72.3.248.24/298RSPC-01217E5C-1815-4B8F-A011-06A3E721AEF4unknown———
└ 72.3.248.32/298RSPC-63F1E142-8C48-4920-A004-A9406CD92B83unknown———
└ 72.3.248.104/298RSPC-D0DA57B6-3408-4A4E-8084-B131EBA7BC61unknown———
└ 72.3.248.112/2816RSPC-1229529248396376unknown———
└ 72.3.248.128/298RACKS-8-1360592274867099unknown———
└ 72.3.248.136/298RSPC-AF3260AB-45C8-41A0-ADD8-D11AA0A24B89unknown———
└ 72.3.248.144/2816RSPC-1229734809940756unknown———
└ 72.3.248.192/298RACKS-8-1308255971390894unknown———
└ 72.3.248.200/298RACKS-8-1462461186945468unknown———
└ 72.3.248.216/298RSPC-DE4511D7-241D-4BFF-8118-16CB3E724E3Funknown———
└ 72.3.249.0/24256RACKS-8-12987000012029387unknown———
└ 72.3.250.0/2816RACKS-8-1678167860486410456485-045045unknown———
└ 72.3.250.24/298RACKS-8-1445293243847385unknown———
└ 72.3.250.40/298RACKS-8-1423147576972776unknown———
└ 72.3.250.56/298RACKS-8-1432824978768409unknown———
└ 72.3.250.80/2816RACKS-8-1305744851735521unknown———
└ 72.3.250.176/2816RSPC-1264433048800626unknown———
└ 72.3.250.192/298RSPC-36F1CB4B-03E4-4A17-AF52-4BBAD65276B0unknown———
└ 72.3.250.224/298RACKS-8-1301680207167717unknown———
└ 72.3.251.0/2732RSPC-61759-1173107830unknown———
└ 72.3.251.32/298RACKS-8-1360860025018620unknown———
└ 72.3.251.40/298RACKS-8-1445307042727311unknown———
└ 72.3.251.56/298RSPC-1259164688479087unknown———
└ 72.3.251.112/298RACKS-8-1452295843269570unknown———
└ 72.3.251.120/298RACKS-8-1463516539736563unknown———
└ 72.3.251.136/298RSPC-1268398329784538unknown———
└ 72.3.251.144/298RACKS-8-1432827637221298unknown———
└ 72.3.251.152/298RSPC-1267331888390971unknown———
└ 72.3.251.200/298RACKS-8-1360592276306961unknown———
└ 72.3.251.216/298RACKS-8-1434447136079970unknown———
└ 72.3.251.224/2816RSPC-1264516209948075unknown———
└ 72.3.251.240/298RSPC-1271778008102055unknown———
└ 72.3.252.0/298RSPC-1270586649035058unknown———
└ 72.3.252.16/298RACKS-8-1360592276579793unknown———
└ 72.3.252.40/298RACKS-8-1334091619785206unknown———
└ 72.3.252.48/298RACKS-8-1429644859092784unknown———
└ 72.3.252.88/298RSPC-0343041A-C7B2-49FB-85D4-8758350CE399unknown———
└ 72.3.252.96/2816RSPC-1264027928508832unknown———
└ 72.3.252.112/298RACKS-8-1410799577932471unknown———
└ 72.3.252.120/298RACKS-8-1453249099762716unknown———
└ 72.3.252.128/2816RACKS-8-1360592548762760unknown———
└ 72.3.252.144/298RACKS-8-1282666325063512unknown———
└ 72.3.252.152/298RSPC-1254327506725489unknown———
└ 72.3.252.216/298RACKS-8-1360592276489067unknown———
└ 72.3.252.224/298RACKS-8-1279203964659764unknown———
└ 72.3.252.240/2816RSPC-EF4D66FB-2B08-4F62-B35D-01DCB9F1B820unknown———
└ 72.3.253.0/24256RACKS-8-12987000013029387unknown———
└ 72.3.254.0/298RACKS-8-1360592277741527unknown———
└ 72.3.254.48/2816RSPC-1227542888864890unknown———
└ 72.3.254.80/298RACKS-8-1401215897330398unknown———
└ 72.3.254.96/298RACKS-8-1360592278321918unknown———
└ 72.3.254.112/298RACKS-8-1325858774394569unknown———
└ 72.3.254.120/298RACKS-8-1313182455080902unknown———
└ 72.3.254.144/2816RACKS-8-1415392230845491unknown———
└ 72.3.254.160/298RACKS-8-1334712616438790unknown———
└ 72.3.254.184/298RACKS-8-1432839498715580unknown———
└ 72.3.255.0/25128RACKS-8-1349112854764732unknown———
└ 72.3.255.128/25128RACKS-8-1349112854004898unknown———
← Previous1,201–1,277 of 1,277 · page 7 of 7Next →

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS33070

US
Name
Rackspace Hosting
Type
Hosting
Registered
Sep 24, 2004
Domain
rackspace.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed