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
└ 72.3.199.56/29	8	RSPC-4559C449-B328-4921-8DDA-1C049235CBCD	unknown	—	—	—
└ 72.3.199.112/28	16	RACKS-8-1308689171096509	unknown	—	—	—
└ 72.3.199.128/27	32	RACKS-8-6382624846048645-0854	unknown	—	—	—
└ 72.3.199.168/29	8	RSPC-9BE89373-5138-40D7-85C3-D699D9F42306	unknown	—	—	—
└ 72.3.199.184/29	8	RACKS-8-1375974253926085	unknown	—	—	—
└ 72.3.199.200/29	8	RSPC-654987324187213544	unknown	—	—	—
└ 72.3.199.208/28	16	RSPC-72563-1127408643	unknown	—	—	—
└ 72.3.199.248/29	8	RSPC-72473-1127473955	unknown	—	—	—
└ 72.3.200.0/27	32	RSPC-72026-1127429588	unknown	—	—	—
└ 72.3.200.56/29	8	RSPC-72649-1127460875	unknown	—	—	—
└ 72.3.200.80/29	8	RACKS-8-1297813446116332	unknown	—	—	—
└ 72.3.200.96/29	8	RSPC-4480442C-0AD9-48BC-84A0-B799525927F8	unknown	—	—	—
└ 72.3.200.160/29	8	RSPC-72693-1127512681	unknown	—	—	—
└ 72.3.200.176/29	8	RACKS-8-1310392582967389	unknown	—	—	—
└ 72.3.200.184/29	8	RACKS-8-1390860255627494	unknown	—	—	—
└ 72.3.201.24/29	8	RSPC-72830-1127860078	unknown	—	—	—
└ 72.3.201.32/29	8	RSPC-72857-1127890458	unknown	—	—	—
└ 72.3.201.56/30	4	RACKS-8-1465342941860222	unknown	—	—	—
└ 72.3.201.88 - 72.3.201.103	16	RSPC-72824-1128002478	unknown	—	—	—
└ 72.3.201.112/29	8	RSPC-72825-1128004302	unknown	—	—	—
└ 72.3.201.120/29	8	RSPC-71889-1128024012	unknown	—	—	—
└ 72.3.201.128/28	16	RSPC-71889-1128024051	unknown	—	—	—
└ 72.3.201.144/29	8	RSPC-926CA5AB-F7D0-4FC3-ACD4-8D48CB8CAD4B	unknown	—	—	—
└ 72.3.201.160/29	8	RSPC-71770-1128032221	unknown	—	—	—
└ 72.3.201.192/30	4	RACKS-8-1415739378094389	unknown	—	—	—
└ 72.3.201.196/30	4	RACKS-8-1462461245713428	unknown	—	—	—
└ 72.3.201.240/31	2	RACKS-8-1360592257864674	unknown	—	—	—
└ 72.3.201.242/31	2	RACKS-8-1288447926605984	unknown	—	—	—
└ 72.3.201.244/31	2	RACKS-8-1412954057225447	unknown	—	—	—
└ 72.3.201.246/31	2	RACKS-8-1303019046036718	unknown	—	—	—
└ 72.3.201.248/30	4	RACKS-8-1360592258348788	unknown	—	—	—
└ 72.3.201.252/31	2	RACKS-8-1339781185569686	unknown	—	—	—
└ 72.3.202.16/28	16	RSPC-73011-1128096800	unknown	—	—	—
└ 72.3.202.40/29	8	RSPC-73264-1128149619	unknown	—	—	—
└ 72.3.202.48/30	4	RACKS-8-1462461310723584	unknown	—	—	—
└ 72.3.202.52/30	4	RACKS-8-1462461287274558	unknown	—	—	—
└ 72.3.202.56/31	2	RACKS-8-1462461311007856	unknown	—	—	—
└ 72.3.202.60/30	4	RACKS-8-1462461312666900	unknown	—	—	—
└ 72.3.202.80/29	8	RSPC-73241-1128176622	unknown	—	—	—
└ 72.3.202.144/29	8	RSPC-72770-1128374018	unknown	—	—	—
└ 72.3.202.184/29	8	RACKS-8-1449792043604999	unknown	—	—	—
└ 72.3.202.224/29	8	RSPC-73421-1128516635	unknown	—	—	—
└ 72.3.202.236/30	4	RSPC-A41B4454-CF3F-4335-A9F8-705DCFD8AF3D	unknown	—	—	—
└ 72.3.202.240/28	16	RACKS-8-1286284565109082	unknown	—	—	—
└ 72.3.203.0/26	64	RSPC-73417-1128530221	unknown	—	—	—
└ 72.3.203.64/28	16	RACKS-8-1462461305590327	unknown	—	—	—
└ 72.3.203.80/29	8	RSPC-73486-1128598594	unknown	—	—	—
└ 72.3.203.96/29	8	RSPC-73512-1128631494	unknown	—	—	—
└ 72.3.203.136/29	8	RSPC-72830-1128700927	unknown	—	—	—
└ 72.3.203.152/29	8	RACKS-8-1323459853232984	unknown	—	—	—
└ 72.3.203.198/32	1	RACKS-8-1428947897663623	unknown	—	—	—
└ 72.3.203.216/30	4	RACKS-8-1360592531346116	unknown	—	—	—
└ 72.3.203.222/31	2	RACKS-8-1430837657498998	unknown	—	—	—
└ 72.3.203.224/30	4	RACKS-8-1415896456584152	unknown	—	—	—
└ 72.3.203.230/31	2	RACKS-8-1444175059468835	unknown	—	—	—
└ 72.3.203.232/31	2	RACKS-8-1457390778182783	unknown	—	—	—
└ 72.3.203.234/31	2	RACKS-8-1424961376202916	unknown	—	—	—
└ 72.3.203.244/32	1	RSPC-32D78975-2E1C-426F-BA2F-22C5A3E9E949	unknown	—	—	—
└ 72.3.203.252/31	2	RSPC-E5688F13-8A65-4376-9F5F-12C952A94EDD	unknown	—	—	—
└ 72.3.204.3 - 72.3.204.130	128	RSPC-71328-1128707770	unknown	—	—	—
└ 72.3.204.192/26	64	RACKS-8-6876187463081140684365-06406415	unknown	—	—	—
└ 72.3.205.8/29	8	RSPC-73575-1128781746	unknown	—	—	—
└ 72.3.205.16/29	8	RSPC-73607-1128808910	unknown	—	—	—
└ 72.3.205.24/29	8	RSPC-73715-1129111658	unknown	—	—	—
└ 72.3.205.32/28	16	RSPC-73543-1128949882	unknown	—	—	—
└ 72.3.205.56/29	8	RACKS-8-1438626868879071	unknown	—	—	—
└ 72.3.205.64/28	16	RSPC-67619-1129007857	unknown	—	—	—
└ 72.3.205.88/29	8	RSPC-73750-1129115669	unknown	—	—	—
└ 72.3.205.96/29	8	RACKS-8-1375111455882696	unknown	—	—	—
└ 72.3.205.104/29	8	RACKS-8-1416239656688610	unknown	—	—	—
└ 72.3.205.112/29	8	RSPC-73760-1129160125	unknown	—	—	—
└ 72.3.205.120/29	8	RSPC-73758-1129161842	unknown	—	—	—
└ 72.3.205.128/29	8	RACKS-8-1453839041817000	unknown	—	—	—
└ 72.3.205.160/29	8	RSPC-B9EC18BF-E2D5-41FC-A8E3-86D68CAA885C	unknown	—	—	—
└ 72.3.205.168/29	8	RSPC-73941-1129231090	unknown	—	—	—
└ 72.3.205.192/29	8	RSPC-1237999091196136	unknown	—	—	—
└ 72.3.205.206/31	2	RSPC-0FCCFD12-D04D-466A-B4DC-3D884D193FF4	unknown	—	—	—
└ 72.3.205.210/31	2	RACKS-8-1360592531927469	unknown	—	—	—
└ 72.3.205.216/29	8	RSPC-74069-1129380641	unknown	—	—	—
└ 72.3.205.224/29	8	RSPC-60418-1129391897	unknown	—	—	—
└ 72.3.205.232/31	2	RACKS-8-1283285765487186	unknown	—	—	—
└ 72.3.205.234/31	2	RACKS-8-1316454374779968	unknown	—	—	—
└ 72.3.205.238/31	2	RACKS-8-1303242486152614	unknown	—	—	—
└ 72.3.205.248/31	2	RACKS-8-1316523374552860	unknown	—	—	—
└ 72.3.205.252/30	4	RACKS-8-1312919415437889	unknown	—	—	—
└ 72.3.206.0/29	8	RSPC-73187-1129262711	unknown	—	—	—
└ 72.3.206.64/28	16	RACKS-8-1309554491324071	unknown	—	—	—
└ 72.3.206.96/28	16	RSPC-73898-1129342736	unknown	—	—	—
└ 72.3.206.120/29	8	RACKS-8-1343673625721507	unknown	—	—	—
└ 72.3.206.128/29	8	RACKS-8-1455831376792014	unknown	—	—	—
└ 72.3.206.144/29	8	RSPC-FE8BA7ED-8E31-4E7E-9711-C86D5B9BC744	unknown	—	—	—
└ 72.3.206.208/29	8	RACKS-8-1440465861653821	unknown	—	—	—
└ 72.3.206.224/31	2	RACKS-8-1300212366599356	unknown	—	—	—
└ 72.3.206.228/31	2	RSPC-334EC4C3-ED81-46C2-94AC-DBABB5289B87	unknown	—	—	—
└ 72.3.206.230/31	2	RACKS-8-1311126210312080	unknown	—	—	—
└ 72.3.206.236/31	2	RACKS-8-1316541734783554	unknown	—	—	—
└ 72.3.206.242/31	2	RACKS-8-1410811829626529	unknown	—	—	—
└ 72.3.206.252/31	2	RACKS-8-1422637456823896	unknown	—	—	—
└ 72.3.207.8/29	8	RACKS-8-1458738857146989	unknown	—	—	—
└ 72.3.207.16/29	8	RACKS-8-1367328734525819	unknown	—	—	—
└ 72.3.207.80/28	16	RACKS-8-1432918844103073	unknown	—	—	—
└ 72.3.207.112/29	8	RSPC-74278-1129728170	unknown	—	—	—
└ 72.3.207.120/29	8	RACKS-8-1440465978662951	unknown	—	—	—
└ 72.3.207.176/29	8	RACKS-8-1463763259342621	unknown	—	—	—
└ 72.3.207.208/28	16	ABAMON-TECHNOLOGY-RSPC-69997-2006012501	unknown	—	—	—
└ 72.3.207.232/29	8	RACKS-8-1353519254031603	unknown	—	—	—
└ 72.3.208.16/29	8	RACKS-8-1453769179650368	unknown	—	—	—
└ 72.3.208.32/28	16	RACKS-8-1431432978096867	unknown	—	—	—
└ 72.3.208.112/29	8	RACKS-8-1450722377374827	unknown	—	—	—
└ 72.3.208.120/29	8	RSPC-74229-1129953231	unknown	—	—	—
└ 72.3.208.144/29	8	RACKS-8-1427828057230025	unknown	—	—	—
└ 72.3.208.152/29	8	RSPC-74583-1130180055	unknown	—	—	—
└ 72.3.208.184/29	8	RACKS-8-1360953854201096	unknown	—	—	—
└ 72.3.208.198/31	2	RACKS-8-1319216293224107	unknown	—	—	—
└ 72.3.208.206/31	2	RACKS-8-1453482857482244	unknown	—	—	—
└ 72.3.208.214/31	2	RSPC-1270725369842390	unknown	—	—	—
└ 72.3.208.216/31	2	RACKS-8-1360592258864815	unknown	—	—	—
└ 72.3.208.222/31	2	RACKS-8-1370362454247337	unknown	—	—	—
└ 72.3.208.248/29	8	RACKS-8-1360592259427617	unknown	—	—	—
└ 72.3.209.0/29	8	RACKS-8-1462461513439098	unknown	—	—	—
└ 72.3.209.8/29	8	RACKS-8-1447879243922070	unknown	—	—	—
└ 72.3.209.16/28	16	RSPC-67238-1130231397	unknown	—	—	—
└ 72.3.209.32/28	16	RSPC-73011-1130283287	unknown	—	—	—
└ 72.3.209.48/29	8	RSPC-2DF90BFB-BFF8-4B8D-BD2E-EC64973A182D	unknown	—	—	—
└ 72.3.209.64/28	16	RSPC-73862-1130301101	unknown	—	—	—
└ 72.3.209.112/29	8	RSPC-74721-1130330795	unknown	—	—	—
└ 72.3.209.136/29	8	RSPC-74784-1130416264	unknown	—	—	—
└ 72.3.209.144/29	8	RSPC-74734-1130416639	unknown	—	—	—
└ 72.3.209.160/29	8	RSPC-74736-1130416719	unknown	—	—	—
└ 72.3.209.184/29	8	RSPC-74628-1130444566	unknown	—	—	—
└ 72.3.209.200/29	8	RSPC-74689-1130516575	unknown	—	—	—
└ 72.3.209.208/30	4	RACKS-8-1464988823472622	unknown	—	—	—
└ 72.3.209.212/30	4	RACKS-8-1462461314787986	unknown	—	—	—
└ 72.3.209.216/30	4	RACKS-8-1462461314604801	unknown	—	—	—
└ 72.3.209.220/30	4	RACKS-8-1464992181459197	unknown	—	—	—
└ 72.3.209.236/30	4	RACKS-8-1290550206543038	unknown	—	—	—
└ 72.3.210.0/29	8	RSPC-74914-1130589106	unknown	—	—	—
└ 72.3.210.48/29	8	RACKS-8-1416441028244505	unknown	—	—	—
└ 72.3.210.56/29	8	RACKS-8-1432156579784776	unknown	—	—	—
└ 72.3.210.64/28	16	RACKS-8-1307691372828758	unknown	—	—	—
└ 72.3.210.80/29	8	RACKS-8-1462461423281886	unknown	—	—	—
└ 72.3.210.112/29	8	RSPC-106981-1167054297	unknown	—	—	—
└ 72.3.210.152/29	8	RACKS-8-1408434376075380	unknown	—	—	—
└ 72.3.210.168/29	8	RSPC-75073-1130817070	unknown	—	—	—
└ 72.3.210.176/29	8	RACKS-8-1462461289356891	unknown	—	—	—
└ 72.3.210.194/31	2	RACKS-8-1425400235654501	unknown	—	—	—
└ 72.3.210.200/30	4	RACKS-8-1357856533594561	unknown	—	—	—
└ 72.3.210.212/31	2	RACKS-8-1303366206809034	unknown	—	—	—
└ 72.3.210.226/31	2	RSPC-31-723210226	unknown	—	—	—
└ 72.3.210.236/30	4	RACKS-8-1312836616786208	unknown	—	—	—
└ 72.3.211.24/29	8	RACKS-8-1440510870374787	unknown	—	—	—
└ 72.3.211.32/29	8	RACKS-8-1427835738208144	unknown	—	—	—
└ 72.3.211.56/29	8	RACKS-8-1432913658855449	unknown	—	—	—
└ 72.3.211.96/29	8	RACKS-8-1453770260013589	unknown	—	—	—
└ 72.3.211.112/29	8	RSPC-75318-1131030099	unknown	—	—	—
└ 72.3.211.120/29	8	RSPC-D1D300FE-5C0A-443E-A622-85EC8A4F18F1	unknown	—	—	—
└ 72.3.211.128/28	16	RACKS-8-1425912255420148	unknown	—	—	—
└ 72.3.211.160/28	16	RACKS-8-1429078837935860	unknown	—	—	—
└ 72.3.211.176/29	8	RACKS-8-1337244973214772	unknown	—	—	—
└ 72.3.211.192/31	2	RACKS-8-1416521296762517	unknown	—	—	—
└ 72.3.211.196/30	4	RACKS-8-1416330378535463	unknown	—	—	—
└ 72.3.211.204/31	2	RACKS-8-1445522538434527	unknown	—	—	—
└ 72.3.211.208/30	4	RACKS-8-1360592531864119	unknown	—	—	—
└ 72.3.211.214/31	2	RACKS-8-1300285685751980	unknown	—	—	—
└ 72.3.211.232/29	8	RACKS-8-1405216577866281	unknown	—	—	—
└ 72.3.211.248/30	4	RACKS-8-1463427619009194	unknown	—	—	—
└ 72.3.212.48/29	8	RSPC-75161-1131107291	unknown	—	—	—
└ 72.3.212.72/29	8	RSPC-75336-1131130700	unknown	—	—	—
└ 72.3.212.144/28	16	RSPC-75415-1131187719	unknown	—	—	—
└ 72.3.212.160/28	16	RSPC-75457-1131331139	unknown	—	—	—
└ 72.3.212.192/27	32	RACKS-8-1307797336139350	unknown	—	—	—
└ 72.3.212.224/30	4	RSPC-FB81D429-92D4-44F8-9B40-E7B48A64A4C8	unknown	—	—	—
└ 72.3.212.232/29	8	RSPC-75520-1131458511	unknown	—	—	—
└ 72.3.212.240/29	8	RACKS-8-1462461456731305	unknown	—	—	—
└ 72.3.212.248/29	8	RACKS-8-1362021636721181	unknown	—	—	—
└ 72.3.213.0/26	64	RSPC-75562-1131516161	unknown	—	—	—
└ 72.3.213.64/29	8	RSPC-70101-1131537779	unknown	—	—	—
└ 72.3.213.128/29	8	RSPC-75750-1131619936	unknown	—	—	—
└ 72.3.213.160/29	8	RSPC-75738-1146176322	unknown	—	—	—
└ 72.3.213.168/29	8	RACKS-8-1462461516244244	unknown	—	—	—
└ 72.3.213.176/28	16	RSPC-75345-1131641851	unknown	—	—	—
└ 72.3.213.192/30	4	RACKS-8-1321975453218439	unknown	—	—	—
└ 72.3.213.208/30	4	RACKS-8-1312820414599804	unknown	—	—	—
└ 72.3.213.212/32	1	RACKS-8-1428943836346163	unknown	—	—	—
└ 72.3.213.213/32	1	RACKS-8-1440003060058333	unknown	—	—	—
└ 72.3.213.232/30	4	RACKS-8-1360592260905107	unknown	—	—	—
└ 72.3.213.240/30	4	RSPC-CA489A31-435F-4B6A-AD06-3F2FEDE9EDD6	unknown	—	—	—
└ 72.3.213.246/31	2	RACKS-8-1416674428724665	unknown	—	—	—
└ 72.3.214.10/31	2	RSPC-3B0BDA25-645C-40D8-A9FC-056DBFB10B4D	unknown	—	—	—
└ 72.3.214.12/30	4	RSPC-CCCE3FF2-3913-4989-AFA3-21A68F1BD165	unknown	—	—	—
└ 72.3.214.32/29	8	RACKS-8-1401727829435434	unknown	—	—	—
└ 72.3.214.64/29	8	RSPC-75740-1131671843	unknown	—	—	—
└ 72.3.214.72/29	8	RACKS-8-1447455977217946	unknown	—	—	—
└ 72.3.214.80/28	16	RSPC-75745-1131696572	unknown	—	—	—
└ 72.3.214.104/29	8	RACKS-8-1309203851347215	unknown	—	—	—
└ 72.3.214.112/28	16	RSPC-74621-1131704100	unknown	—	—	—
└ 72.3.214.128/28	16	RSPC-74621-1131704671	unknown	—	—	—
└ 72.3.214.152/29	8	RSPC-75916-1131805026	unknown	—	—	—
└ 72.3.214.168/29	8	RACKS-8-1462461517355297	unknown	—	—	—
└ 72.3.214.254/31	2	RACKS-8-1360592261678288	unknown	—	—	—

← Previous801–1,000 of 1,277 · page 5 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