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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
72.3.128.0/17	32,768	RSCP-NET-4	Rackspace Hosting (RACKS-8) · US	Direct Allocation	Oct 4, 2004	abuse@rackspace.com
└ 72.3.183.64/26	64	RSPC-68635-1121644441	unknown	—	—	—
└ 72.3.183.128/26	64	RSPC-68746-1121804432	unknown	—	—	—
└ 72.3.183.192/30	4	RACKS-8-1438810259934269	unknown	—	—	—
└ 72.3.183.216/30	4	RACKS-8-1443622707220344	unknown	—	—	—
└ 72.3.183.220/31	2	RACKS-8-1311110056696710	unknown	—	—	—
└ 72.3.183.228/30	4	RACKS-8-1360592251532603	unknown	—	—	—
└ 72.3.183.248/31	2	RACKS-8-1299081606903766	unknown	—	—	—
└ 72.3.184.0/29	8	RACKS-8-1335269654250324	unknown	—	—	—
└ 72.3.184.16/28	16	RSPC-68798-1121892794	unknown	—	—	—
└ 72.3.184.40/29	8	RSPC-65947-1121910823	unknown	—	—	—
└ 72.3.184.48/29	8	RSPC-62AB1A8B-FACD-4F11-97FD-BECD0D495D44	unknown	—	—	—
└ 72.3.184.56/29	8	RSPC-68737-1121977649	unknown	—	—	—
└ 72.3.184.64/29	8	RSPC-D4A9A9FA-5FA1-4CC0-A030-AD10E5BBC8BB	unknown	—	—	—
└ 72.3.184.72/29	8	RSPC-68803-1121981767	unknown	—	—	—
└ 72.3.184.88/29	8	RACKS-8-1440643338639793	unknown	—	—	—
└ 72.3.184.112/29	8	RSPC-68702-1122133064	unknown	—	—	—
└ 72.3.184.128/29	8	RSPC-69032-1122136473	unknown	—	—	—
└ 72.3.184.144/28	16	RSPC-68993-1122139655	unknown	—	—	—
└ 72.3.184.180/31	2	RACKS-8-1462461152031030	unknown	—	—	—
└ 72.3.184.184/30	4	RACKS-8-1462461219428627	unknown	—	—	—
└ 72.3.184.188/30	4	RACKS-8-1462461220356493	unknown	—	—	—
└ 72.3.184.200/29	8	RSPC-68718-1122281328	unknown	—	—	—
└ 72.3.184.216/29	8	RACKS-8-1358528535149518	unknown	—	—	—
└ 72.3.184.224/28	16	RSPC-69109-1124423720	unknown	—	—	—
└ 72.3.185.40/30	4	RACKS-8-1462461510171603	unknown	—	—	—
└ 72.3.185.44/31	2	RACKS-8-1462461510260151	unknown	—	—	—
└ 72.3.185.46/31	2	RACKS-8-1462461514750350	unknown	—	—	—
└ 72.3.185.48/29	8	RSPC-68795-1122562517	unknown	—	—	—
└ 72.3.185.80/29	8	FIRSTWAVE	unknown	—	—	—
└ 72.3.185.96/28	16	RSPC-E83DECF9-7F64-46D2-810A-8C9572EF630C	unknown	—	—	—
└ 72.3.185.144/29	8	RACKS-8-1440104909199422	unknown	—	—	—
└ 72.3.185.160/28	16	RACKS-8-1327967414764950	unknown	—	—	—
└ 72.3.185.176/28	16	RSPC-69484-1122762845	unknown	—	—	—
└ 72.3.185.192/30	4	RACKS-8-1415992336780748	unknown	—	—	—
└ 72.3.185.196/30	4	RACKS-8-1360592252391801	unknown	—	—	—
└ 72.3.185.200/29	8	RSPC-66200-1122610700	unknown	—	—	—
└ 72.3.185.224/30	4	RACKS-8-1360592252352497	unknown	—	—	—
└ 72.3.185.228/30	4	RSPC-E5688CA6-A39F-494F-881F-AD574FA4B5FF	unknown	—	—	—
└ 72.3.185.232/31	2	RACKS-8-1370365574120918	unknown	—	—	—
└ 72.3.185.236/30	4	RACKS-8-1362002055416887	unknown	—	—	—
└ 72.3.185.242/31	2	RACKS-8-1320680413144837	unknown	—	—	—
└ 72.3.185.252/30	4	RACKS-8-1360592252625693	unknown	—	—	—
└ 72.3.186.0/25	128	RACKS-8-1446748340352672	unknown	—	—	—
└ 72.3.186.144/29	8	RSPC-66200-1122610946	unknown	—	—	—
└ 72.3.186.168/29	8	RSPC-69029-1122647642	unknown	—	—	—
└ 72.3.186.200/29	8	RSPC-69261-1122651784	unknown	—	—	—
└ 72.3.186.208/29	8	RSPC-69345-1122652014	unknown	—	—	—
└ 72.3.187.0/29	8	RSPC-69496-1122776305	unknown	—	—	—
└ 72.3.187.96/28	16	RACKS-8-1336501695083740	unknown	—	—	—
└ 72.3.187.160/29	8	RSPC-69569-1123101719	unknown	—	—	—
└ 72.3.187.214/31	2	RACKS-8-1311503174400288	unknown	—	—	—
└ 72.3.187.232/31	2	RACKS-8-1311126210683068	unknown	—	—	—
└ 72.3.187.240/29	8	RSPC-66200-1123713024	unknown	—	—	—
└ 72.3.187.252/30	4	RACKS-8-1452784099349803	unknown	—	—	—
└ 72.3.188.0/29	8	RSPC-76286-1142006139	unknown	—	—	—
└ 72.3.188.8/29	8	RSPC-68775-1123265634	unknown	—	—	—
└ 72.3.188.32/29	8	RACKS-8-14555286401807532	unknown	—	—	—
└ 72.3.188.48/28	16	RSPC-D81534F7-5110-46A0-83A6-611AD58B8193	unknown	—	—	—
└ 72.3.188.72/29	8	RACKS-8-1436884938555981	unknown	—	—	—
└ 72.3.188.96/29	8	RACKS-8-1375111825907703	unknown	—	—	—
└ 72.3.188.104/29	8	RSPC-62301-1123538904	unknown	—	—	—
└ 72.3.188.128/26	64	RSPC-69505-1123379106	unknown	—	—	—
└ 72.3.188.192/31	2	RACKS-8-1311883334509579	unknown	—	—	—
└ 72.3.188.194/31	2	RACKS-8-1289192166821129	unknown	—	—	—
└ 72.3.188.200/29	8	RSPC-66200-1123713206	unknown	—	—	—
└ 72.3.188.212/31	2	RACKS-8-1374694693158063	unknown	—	—	—
└ 72.3.188.228/31	2	RACKS-8-1289248686807188	unknown	—	—	—
└ 72.3.188.232/31	2	RACKS-8-1360592530457108	unknown	—	—	—
└ 72.3.188.236/30	4	RSPC-1226376608124868	unknown	—	—	—
└ 72.3.188.242/31	2	RACKS-8-1429079178878733	unknown	—	—	—
└ 72.3.188.244/31	2	RACKS-8-1421362937711472	unknown	—	—	—
└ 72.3.188.246/31	2	RACKS-8-1299080286684689	unknown	—	—	—
└ 72.3.188.248/31	2	RACKS-8-1360592530465540	unknown	—	—	—
└ 72.3.188.252/31	2	RACKS-8-1296474486231876	unknown	—	—	—
└ 72.3.188.254/31	2	RSPC-87856FE4-2D7D-4C0C-B81B-70321BDF660B	unknown	—	—	—
└ 72.3.189.0/27	32	RACKS-8-1432747937505736	unknown	—	—	—
└ 72.3.189.48/29	8	RSPC-61104-1123704633	unknown	—	—	—
└ 72.3.189.72/29	8	RSPC-69910-1123705959	unknown	—	—	—
└ 72.3.189.80/29	8	RSPC-69921-1123706404	unknown	—	—	—
└ 72.3.189.88/29	8	RACKS-8-1356535934373187	unknown	—	—	—
└ 72.3.189.144/29	8	RSPC-70090-1123863881	unknown	—	—	—
└ 72.3.189.152/29	8	RSPC-70091-1123863922	unknown	—	—	—
└ 72.3.189.176/29	8	RACKS-8-1429040658344424	unknown	—	—	—
└ 72.3.189.192/29	8	RSPC-70179-1123969626	unknown	—	—	—
└ 72.3.189.200/29	8	RSPC-70180-1123969658	unknown	—	—	—
└ 72.3.189.212/30	4	RACKS-8-1406046137096882	unknown	—	—	—
└ 72.3.189.216/30	4	RACKS-8-1441075711573041	unknown	—	—	—
└ 72.3.189.224/29	8	RACKS-8-1324311373736547	unknown	—	—	—
└ 72.3.190.64/29	8	RACKS-8-1416350657740221	unknown	—	—	—
└ 72.3.190.112/28	16	RSPC-70242-1124226980	unknown	—	—	—
└ 72.3.190.168/29	8	RACKS-8-1336520054503621	unknown	—	—	—
└ 72.3.190.176/29	8	RSPC-70324-1124331698	unknown	—	—	—
└ 72.3.190.198/31	2	RACKS-8-1452029056544074	unknown	—	—	—
└ 72.3.190.208/31	2	RACKS-8-1361573293509868	unknown	—	—	—
└ 72.3.190.212/31	2	RACKS-8-1426030577491399	unknown	—	—	—
└ 72.3.190.220/30	4	RACKS-8-1360592254543156	unknown	—	—	—
└ 72.3.190.226/31	2	RACKS-8-1415310628314059	unknown	—	—	—
└ 72.3.190.230/31	2	RACKS-8-1299127208601055	unknown	—	—	—
└ 72.3.190.232/31	2	RACKS-8-1311603375653275	unknown	—	—	—
└ 72.3.190.240/29	8	RACKS-8-1360592254432916	unknown	—	—	—
└ 72.3.190.248/31	2	RACKS-8-1426103655113433	unknown	—	—	—
└ 72.3.191.0/29	8	RSPC-1255453569672856	unknown	—	—	—
└ 72.3.191.8/29	8	RSPC-70390-1124359961	unknown	—	—	—
└ 72.3.191.16/29	8	RACKS-8-1416427337179270	unknown	—	—	—
└ 72.3.191.24/29	8	RACKS-8-1440193460017615	unknown	—	—	—
└ 72.3.191.72/29	8	RSPC-70645-1124510547	unknown	—	—	—
└ 72.3.191.80/29	8	RSPC-70590-1124549560	unknown	—	—	—
└ 72.3.191.88/29	8	RSPC-70609-1124564918	unknown	—	—	—
└ 72.3.191.96/28	16	RACKS-8-871684036840361-086463181044	unknown	—	—	—
└ 72.3.191.144/28	16	RACKS-8-1450295059427459	unknown	—	—	—
└ 72.3.191.240/29	8	RSPC-70859-1124984543	unknown	—	—	—
└ 72.3.191.248/29	8	RACKS-8-1449782058881045	unknown	—	—	—
└ 72.3.192.0/28	16	RSPC-70833-1124985726	unknown	—	—	—
└ 72.3.192.16/29	8	RACKS-8-1457099658894002	unknown	—	—	—
└ 72.3.192.41 - 72.3.192.48	8	RSPC-70906-1125001963	unknown	—	—	—
└ 72.3.192.104/29	8	RSPC-70473-1125087239	unknown	—	—	—
└ 72.3.192.120/29	8	RACKS-8-1314050894505591	unknown	—	—	—
└ 72.3.192.128/28	16	RACKS-8-1687668720436036543065-064061	unknown	—	—	—
└ 72.3.192.192/30	4	RACKS-8-1346871734317932	unknown	—	—	—
└ 72.3.192.224/29	8	RSPC-71031-1125401349	unknown	—	—	—
└ 72.3.192.232/30	4	RACKS-8-1311126210278039	unknown	—	—	—
└ 72.3.192.236/31	2	RACKS-8-1385784375164577	unknown	—	—	—
└ 72.3.192.238/31	2	RACKS-8-1314070694416694	unknown	—	—	—
└ 72.3.192.248/31	2	RACKS-8-1283269925406843	unknown	—	—	—
└ 72.3.193.0/25	128	RSPC-9894441B-F920-41AA-B604-9F546491457D	unknown	—	—	—
└ 72.3.193.144/29	8	RACKS-8-1452260439337903	unknown	—	—	—
└ 72.3.193.160/29	8	RSPC-71084-1125413175	unknown	—	—	—
└ 72.3.193.184/29	8	RACKS-8-1440206778406039	unknown	—	—	—
└ 72.3.193.192/28	16	RSPC-69505-1125514297	unknown	—	—	—
└ 72.3.193.240/29	8	RACKS-8-1425453738241964	unknown	—	—	—
└ 72.3.193.248/29	8	RSPC-71365-1125590348	unknown	—	—	—
└ 72.3.194.56/29	8	RACKS-8-1348684934189962	unknown	—	—	—
└ 72.3.194.80/29	8	RACKS-8-1447184658098313	unknown	—	—	—
└ 72.3.194.88/29	8	RSPC-70638-1125708260	unknown	—	—	—
└ 72.3.194.96/27	32	RSPC-70638-1125708289	unknown	—	—	—
└ 72.3.194.128/29	8	RACKS-8-1341192016403345	unknown	—	—	—
└ 72.3.194.160/28	16	RACKS-8-68768710614360811460335-06040615	unknown	—	—	—
└ 72.3.194.196/31	2	RACKS-8-1385069655567766	unknown	—	—	—
└ 72.3.194.198/31	2	RACKS-8-1421433497083429	unknown	—	—	—
└ 72.3.194.218/31	2	RSPC-5E5ADA1F-2645-4380-9CA3-A4F904D2FAAF	unknown	—	—	—
└ 72.3.194.236/30	4	RACKS-8-1360592254177387	unknown	—	—	—
└ 72.3.194.240/30	4	RACKS-8-1309008132851068	unknown	—	—	—
└ 72.3.194.252/30	4	RACKS-8-1362063029712597	unknown	—	—	—
└ 72.3.195.104/29	8	RSPC-71273-1125925281	unknown	—	—	—
└ 72.3.195.112/29	8	RACKS-8-1427504657777807	unknown	—	—	—
└ 72.3.195.128/28	16	RACKS-8-871687106314306840368436-056740651	unknown	—	—	—
└ 72.3.195.176/28	16	RSPC-69546-1126201463	unknown	—	—	—
└ 72.3.195.192/26	64	RSPC-71430-1126106952	unknown	—	—	—
└ 72.3.196.0/29	8	RSPC-71678-1126219446	unknown	—	—	—
└ 72.3.196.32/28	16	RSPC-30611-032020061453	unknown	—	—	—
└ 72.3.196.48/29	8	RSPC-71809-1126304887	unknown	—	—	—
└ 72.3.196.80/29	8	RSPC-393A47A7-1B72-4F1B-84A2-DDA07CE66720	unknown	—	—	—
└ 72.3.196.88/29	8	RSPC-71782-1126357203	unknown	—	—	—
└ 72.3.196.104/29	8	RACKS-8-1462461510945034	unknown	—	—	—
└ 72.3.196.112/29	8	RACKS-8-1320426013804549	unknown	—	—	—
└ 72.3.196.128/29	8	RSPC-71658-1126376309	unknown	—	—	—
└ 72.3.196.136/29	8	RSPC-30611-032020061452	unknown	—	—	—
└ 72.3.196.144/28	16	RSPC-71284-1126544509	unknown	—	—	—
└ 72.3.196.160/27	32	RSPC-71284-1126544548	unknown	—	—	—
└ 72.3.196.196/31	2	RACKS-8-1334523734379680	unknown	—	—	—
└ 72.3.196.218/31	2	RACKS-8-1287494406603247	unknown	—	—	—
└ 72.3.196.220/31	2	RACKS-8-1424536234705445	unknown	—	—	—
└ 72.3.196.244/31	2	RACKS-8-1421448258766223	unknown	—	—	—
└ 72.3.196.250/31	2	RACKS-8-1315859895998254	unknown	—	—	—
└ 72.3.196.252/31	2	RACKS-8-1315584854418082	unknown	—	—	—
└ 72.3.197.0/29	8	RACKS-8-1305839651601811	unknown	—	—	—
└ 72.3.197.40/29	8	RSPC-71949-1126675870	unknown	—	—	—
└ 72.3.197.48/29	8	RSPC-71948-1126675911	unknown	—	—	—
└ 72.3.197.56/29	8	RACKS-8-1449792043765529	unknown	—	—	—
└ 72.3.197.112/29	8	RSPC-72091-1126823428	unknown	—	—	—
└ 72.3.197.128/29	8	RACKS-8-1337031974455486	unknown	—	—	—
└ 72.3.197.176/28	16	RSPC-72153-1126913609	unknown	—	—	—
└ 72.3.197.194/31	2	RACKS-8-1444160177594047	unknown	—	—	—
└ 72.3.197.198/31	2	RACKS-8-1423595177409676	unknown	—	—	—
└ 72.3.197.200/30	4	RACKS-8-1463079626648893	unknown	—	—	—
└ 72.3.197.204/31	2	RSPC-DBEC08AD-1487-4DE6-AA69-B79928C2CF63	unknown	—	—	—
└ 72.3.197.206/31	2	RACKS-8-1299782285180630	unknown	—	—	—
└ 72.3.197.216/29	8	RSPC-1244963772518832	unknown	—	—	—
└ 72.3.197.228/30	4	RACKS-8-1376706854760747	unknown	—	—	—
└ 72.3.197.238/31	2	RACKS-8-1315606575181246	unknown	—	—	—
└ 72.3.197.242/31	2	RSPC-7146AC9D-B43A-4C1D-A7F8-DC7E93882751	unknown	—	—	—
└ 72.3.198.16/29	8	RSPC-72145-1126964529	unknown	—	—	—
└ 72.3.198.24/29	8	RACKS-8-1440375139699025	unknown	—	—	—
└ 72.3.198.48/29	8	RSPC-72289-1127000998	unknown	—	—	—
└ 72.3.198.72/29	8	RSPC-72301-1127067598	unknown	—	—	—
└ 72.3.198.104/29	8	RSPC-72246-1127160568	unknown	—	—	—
└ 72.3.198.120/29	8	RACKS-8-1441116263676722	unknown	—	—	—
└ 72.3.198.128/29	8	RSPC-71185-1127202280	unknown	—	—	—
└ 72.3.198.144/28	16	RACKS-8-8671686714268140238651-0354803251	unknown	—	—	—
└ 72.3.198.160/27	32	RSPC-71738-1126899826	unknown	—	—	—
└ 72.3.198.202/31	2	RACKS-8-1312324334800637	unknown	—	—	—
└ 72.3.198.208/31	2	RSPC-0C15B131-FEA5-4330-9009-8511B5F9CB19	unknown	—	—	—
└ 72.3.198.212/30	4	RACKS-8-1360592531919352	unknown	—	—	—
└ 72.3.198.216/29	8	RSPC-72438-1127363447	unknown	—	—	—
└ 72.3.198.236/31	2	RACKS-8-1303006566755514	unknown	—	—	—
└ 72.3.198.240/29	8	RSPC-72854-1127889096	unknown	—	—	—
└ 72.3.198.248/31	2	RACKS-8-1451949738819315	unknown	—	—	—
└ 72.3.198.250/31	2	RSPC-B775C34B-8A7A-4FE3-BBE8-A09E7B2906DD	unknown	—	—	—
└ 72.3.199.0/27	32	RACKS-8-1415377457319278	unknown	—	—	—
└ 72.3.199.32/29	8	RACKS-8-1302195966142354	unknown	—	—	—

← Previous601–800 of 1,277 · page 4 of 7Next →

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS33070

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

72.3.128.0/17

Registrations in this block

Network & registry

AS33070

Who has announced this prefix

Routing history

Route objects on the exact prefix

Registration for this announcement

Abuse contact