Data as of Nov 3, 2026
57.72.0.0/17
No anonymizer space · no proxy exits in 30 daysORANGE BUSINESS SERVICES U.S. Inc. · space held by Orange Business Communications Technology Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 57.72.0.0/15 since May 2013 | AS51964 | Internet provider | 1 | Orange Business Communications Technology Limited |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 57.72.0.0/18 since Jan 2021 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.38.0/24 since Nov 2018 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.40.0/24 since Apr 2014 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.49.0/24 since Jul 2025 | AS4862 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.64.0/22 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.68.0/22 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.72.0/22 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.76.0/22 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.80.0/22 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.88.0/23 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.90.0/23 since Aug 2020 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.92.0/22 since Apr 2021 | AS51964 | Internet provider | Orange Business Communications Technology Limited | |
| 57.72.96.0/19 since Jul 2020 | AS51964 | Internet provider | Orange Business Communications Technology 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 |
|---|---|---|---|---|---|---|
| 57.72.0.0 - 57.74.255.255 | 196,608 | OBS_SITA-INTERNET | Orange Business Communications Technology Limited (ORG-ENSI1-RIPE) · IE | LEGACY | Feb 4, 2020 | [email protected] |
| └ 57.72.0.0/18 | 16,384 | OBS-INTERNET | Orange Business Services-Internet services - HK aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.64.0/22 | 1,024 | OBS-INTERNET | Orange Business Services-Internet services - PH aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.68.0/22 | 1,024 | OBS-INTERNET | Orange Business Services-Internet services - VN aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.72.0/22 | 1,024 | OBS-INTERNET | Orange Business Services-Internet services - MM aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.76.0/22 | 1,024 | OBS-INTERNET | Orange Business Services-Internet services - BD aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.80.0/22 | 1,024 | OBS-INTERNET | Orange Business Services-Internet services - KH aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.84.0/22 | 1,024 | OBS-INTERNET | Orange Business Services-Internet services - LA aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.88.0/23 | 512 | OBS-INTERNET | Orange Business Services-Internet services - LK aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.90.0/23 | 512 | OBS-INTERNET | Orange Business Services-Internet services - MV aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
| └ 57.72.96.0/19 | 8,192 | OBS-INTERNET | Orange Business Services-Internet services - IN aggregate | LEGACY | Jul 3, 2020 | [email protected] via OBS_SITA-INTERNET |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
32,768 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 31,744 | 97% | 16 | |
| Business | 1,024 | 3.1% | 1 |
Network & registry
Origin network
AS51964
US
- Name
- ORANGE BUSINESS SERVICES U.S. Inc.
- Type
- Internet provider
- Registered
- Dec 7, 2010
- Domain
- orange.com
- Industry
- Computer and Information Technology
- 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 2013 · 13 yr
- Origin networks
- 2
- Last change of origin
- May 2013
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 57.72.0.0/15 | AS4862 | /32 | RIPE | Another network |
| 57.72.0.0/15 | AS51964 | /32 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4862 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Nov 22, 2009 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 57.72.84.0/22 | AS51964 | RADB | LA customers | MAINT-AS5583 | Nov 13, 2023 |
| 57.72.84.0/22 | AS51964 | RIPE | LA aggregate | OBS2016-MNT | Dec 10, 2020 |
Whois
Registration for this announcement
- Range
- 57.72.0.0 - 57.74.255.255
- Netname
- OBS_SITA-INTERNET
- Registrant
- Orange Business Communications Technology Limited
- Registrant country
- BE
- Organization
- Orange Business Communications Technology Limited (ORG-ENSI1-RIPE)
- Org country
- IE
- Type
- LEGACY
- Created
- Feb 4, 2020
- Updated
- Jan 16, 2023
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- IE
- Delegated
- Jun 21, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR57244-RIPE