Data as of Nov 6, 2026
62.172.0.0/21
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 62.172.0.0/16 since May 2005 | AS2856 | Residential | 249 19 always on | British Telecommunications Limited |
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 |
|---|---|---|---|---|---|---|
| 62.172.0.0/16 | 65,536 | UK-BT-971003 | British Telecommunications Limited (ORG-BPIS1-RIPE) · GB | ALLOCATED PA | Sep 10, 2002 | abuse@ |
| └ 62.172.0.0/17 | 32,768 | BT-INFRA | BT Infrastructure Layer | LIR-PARTITIONED PA | Jul 30, 2014 | abuse@ via UK-BT-971003 |
| └ 62.172.0.0/21 | 2,048 | BT-Ignite-EU | PROVIDER | LIR-PARTITIONED PA | Mar 28, 2003 | abuse@ via BT-INFRA |
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
Registry
Holder
- Organization
- British Telecommunications Limited
- Handle
- ORG-BPIS1-RIPE
- Range
- 62.
172. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Sep 10, 2002
- Reallocated to
- PROVIDER
- Reallocated range
- 62.
172. 0. 0/ 21 - Reallocation type
- LIR-PARTITIONED PA
- Reallocated
- Mar 28, 2003
Origin network
AS5400
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Aug 15, 1995
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 62.172.0.0/21 | AS5400 | /21 | RIPE | RPKI valid |
| 62.172.0.0/16 | AS2856 | /16 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5400 | RIPE | BTIASpanish POP | CIP-MNT | May 5, 2004 |
Whois
Registration for this announcement
- Range
- 62.
172. 0. 0/ 21 - Netname
- BT-Ignite-EU
- Registrant
- PROVIDER
- Registrant country
- EU
- Organization
- PROVIDER
- Org country
- EU
- Type
- LIR-PARTITIONED PA
- Created
- Mar 28, 2003
- Updated
- Mar 28, 2003
- Maintainer
- BTNET-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Oct 3, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
bt. com - Name
- Abuse-C Role
- Handle
- AR13878-RIPE