Home Prefix Lookup217.72.240.0/20

217.72.240.0/20 - RACKSPACE LON Rackspace (AS15395)

IPv4RIPE NCCallocatedAS15395RACKSPACE-LON Rackspace Ltd.No ROA

CIDR

217.72.240.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇬🇧 United Kingdom

City

London

RIR

RIPE NCC

Status

allocated

Allocated

2003-08-26

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
217.72.240.0/20	AS15395 RACKSPACE-LON Rackspace Ltd.	No ROA	Other IRR	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS15395	Other IRR	MAINT-AS10532	2023-11-13
AS12200	Other IRR	MAINT-AS10532	2023-11-13
AS24778	Other IRR	MAINT-AS14492	2023-11-13
AS24778	RIPE	DATAPIPE-MAINT-RIPE	2003-08-26

More Specific Prefixes

100

Prefix	Country	Status
217.72.240.0/22	🇬🇧GB	assigned
217.72.244.160/28	🇬🇧GB	assigned
217.72.245.0/28	🇬🇧GB	assigned
217.72.245.64/28	🇬🇧GB	assigned
217.72.245.80/29	🇬🇧GB	assigned
217.72.245.88/29	🇬🇧GB	assigned
217.72.245.96/27	🇬🇧GB	assigned
217.72.245.128/28	🇬🇧GB	assigned
217.72.245.144/28	🇬🇧GB	assigned
217.72.245.160/28	🇬🇧GB	assigned
217.72.245.176/28	🇬🇧GB	assigned
217.72.245.192/28	🇬🇧GB	assigned
217.72.245.208/28	🇬🇧GB	assigned
217.72.245.224/27	🇬🇧GB	assigned
217.72.246.0/27	🇬🇧GB	assigned
217.72.246.32/27	🇬🇧GB	assigned
217.72.246.64/27	🇬🇧GB	assigned
217.72.246.96/29	🇬🇧GB	assigned
217.72.246.112/29	🇬🇧GB	assigned
217.72.246.120/29	🇬🇧GB	assigned
217.72.246.128/28	🇬🇧GB	assigned
217.72.246.144/28	🇬🇧GB	assigned
217.72.246.160/27	🇬🇧GB	assigned
217.72.246.192/26	🇬🇧GB	assigned
217.72.247.0/27	🇬🇧GB	assigned
217.72.247.32/28	🇬🇧GB	assigned
217.72.247.48/28	🇬🇧GB	assigned
217.72.247.64/26	🇬🇧GB	assigned
217.72.247.128/27	🇬🇧GB	assigned
217.72.247.176/29	🇬🇧GB	assigned
217.72.247.192/27	🇬🇧GB	assigned
217.72.247.224/28	🇬🇧GB	assigned
217.72.247.240/28	🇬🇧GB	assigned
217.72.248.0/27	🇬🇧GB	assigned
217.72.248.32/27	🇬🇧GB	assigned
217.72.248.64/26	🇬🇧GB	assigned
217.72.248.128/28	🇬🇧GB	assigned
217.72.248.160/28	🇬🇧GB	assigned
217.72.248.176/28	🇬🇧GB	assigned
217.72.248.192/28	🇬🇧GB	assigned
217.72.248.208/28	🇬🇧GB	assigned
217.72.248.224/27	🇬🇧GB	assigned
217.72.249.0/28	🇬🇧GB	assigned
217.72.249.16/28	🇬🇧GB	assigned
217.72.249.32/28	🇬🇧GB	assigned
217.72.249.64/28	🇬🇧GB	assigned
217.72.249.96/28	🇬🇧GB	assigned
217.72.249.112/28	🇬🇧GB	assigned
217.72.249.128/27	🇬🇧GB	assigned
217.72.249.160/28	🇬🇧GB	assigned
217.72.249.176/28	🇬🇧GB	assigned
217.72.249.192/27	🇬🇧GB	assigned
217.72.249.224/28	🇬🇧GB	assigned
217.72.249.240/28	🇬🇧GB	assigned
217.72.250.0/28	🇬🇧GB	assigned
217.72.250.32/28	🇬🇧GB	assigned
217.72.250.48/29	🇬🇧GB	assigned
217.72.250.64/27	🇬🇧GB	assigned
217.72.250.112/29	🇬🇧GB	assigned
217.72.250.120/29	🇬🇧GB	assigned
217.72.250.128/28	🇬🇧GB	assigned
217.72.250.160/28	🇬🇧GB	assigned
217.72.250.192/27	🇬🇧GB	assigned
217.72.250.224/28	🇬🇧GB	assigned
217.72.250.240/28	🇬🇧GB	assigned
217.72.251.0/24	🇬🇧GB	assigned
217.72.252.0/26	🇬🇧GB	assigned
217.72.252.64/29	🇬🇧GB	assigned
217.72.252.88/29	🇬🇧GB	assigned
217.72.252.96/27	🇬🇧GB	assigned
217.72.252.128/27	🇬🇧GB	assigned
217.72.252.176/28	🇬🇧GB	assigned
217.72.252.192/28	🇬🇧GB	assigned
217.72.252.208/28	🇬🇧GB	assigned
217.72.252.224/28	🇬🇧GB	assigned
217.72.252.240/28	🇬🇧GB	assigned
217.72.253.0/28	🇬🇧GB	assigned
217.72.253.64/28	🇬🇧GB	assigned
217.72.253.96/29	🇬🇧GB	assigned
217.72.253.128/28	🇬🇧GB	assigned
217.72.253.144/28	🇬🇧GB	assigned
217.72.253.160/28	🇬🇧GB	assigned
217.72.253.176/28	🇬🇧GB	assigned
217.72.253.192/27	🇬🇧GB	assigned
217.72.253.224/27	🇬🇧GB	assigned
217.72.254.0/24	🇬🇧GB	assigned
217.72.255.16/28	🇬🇧GB	assigned
217.72.255.32/28	🇬🇧GB	assigned
217.72.255.64/28	🇬🇧GB	assigned
217.72.255.80/28	🇬🇧GB	assigned
217.72.255.96/29	🇬🇧GB	assigned
217.72.255.112/28	🇬🇧GB	assigned
217.72.255.128/29	🇬🇧GB	assigned
217.72.255.136/29	🇬🇧GB	assigned
217.72.255.144/28	🇬🇧GB	assigned
217.72.255.160/28	🇬🇧GB	assigned
217.72.255.176/28	🇬🇧GB	assigned
217.72.255.200/29	🇬🇧GB	assigned
217.72.255.208/28	🇬🇧GB	assigned
217.72.255.240/28	🇬🇧GB	assigned

Transfer History

Registry transfers of 217.72.240.0/20, blocks inside it, or blocks containing it.

217.72.240.0/20Transfer · 2026-03-12
Datapipe Europe Ltd
🇬🇧 GB RIPE NCC
→
Rackspace Ltd.
🇬🇧 GB RIPE NCC

Date	Resource	From	To	Type
2026-03-12	217.72.240.0/20	Datapipe Europe Ltd 🇬🇧 GB RIPE NCC	Rackspace Ltd. 🇬🇧 GB RIPE NCC	Transfer

Origin ASN

AS15395

RACKSPACE-LON Rackspace Ltd.

Related Prefixes

More prefixes of AS15395

All prefixes of AS15395 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.5074, -0.1278 ↗

Abuse Contact

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/217.72.240.0/20

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/217.72.240.0/20" | jq

External Links

RIPEstat