Data as of Nov 9, 2026
217.171.136.0/22
No anonymizer space · no proxy exits in 30 daysHutchison 3G UK Limited
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 217.171.128.0/20 | 4,096 | UK-H3G-200103402 | Hutchison 3G UK Limited (ORG-HUL1-RIPE) · GB | ALLOCATED PA | Apr 12, 2002 | abuse@ |
| └ 217.171.136.0/22 | 1,024 | H3GUK | NAT Pool for Mobiles | ASSIGNED PA | Feb 10, 2009 | abuse@ via UK-H3G-200103402 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 217.171.128.0/20
- Prefix
- 217.171.128.0/20
- Announced by
- AS206067 Hutchison 3G UK Limited
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- UK-H3G-200103402
- Registrant
- Hutchison 3G UK Limited
- RIR
- RIPE NCC
Origin network
AS206067
GB
- Name
- Hutchison 3G UK Limited
- Type
- Internet provider
- Registered
- Mar 31, 2017
- Domain
- three.co.uk
- Website
- www.three.co.uk/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 217.171.128.0/20
217.171.128.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Apr 2021 · 5.6 yr
- Origin networks
- 3
- Last change of origin
- Apr 2021
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 217.171.128.0/20 | AS198949 | /20 | RIPE | Another network |
| 217.171.128.0/20 | AS206067 | /20 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 217.
171. 128. 0/ 20 - Netname
- UK-H3G-200103402
- Registrant
- Hutchison 3G UK Limited
- Registrant country
- GB
- Organization
- Hutchison 3G UK Limited (ORG-HUL1-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Apr 12, 2002
- Updated
- Jul 24, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Apr 2, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
three. co. uk - Name
- H3G UK RIPE Admin
- Handle
- HURA1-RIPE