Data as of Nov 3, 2026
121.53.0.0/17
No anonymizer space · no proxy exits in 30 daysDreamline Co.
Announcements
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 |
|---|---|---|---|---|
| 121.53.22.0/24 since Jan 2009 | AS9845 | Residential | Dreamline Co. | |
| 121.53.80.0/21 since Apr 2019 | AS7625 | Business | Dreamline Co. | |
| 121.53.88.0/24 since May 2023 | AS7625 | Business | Dreamline Co. | |
| 121.53.89.0/24 since May 2023 | AS7625 | Business | Dreamline Co. | |
| 121.53.90.0/24 since Jan 2024 | AS18160 | Business | Dreamline Co. | |
| 121.53.91.0/24 since Jan 2024 | AS18160 | Business | Dreamline Co. | |
| 121.53.92.0/24 since Jan 2024 | AS18160 | Business | Dreamline Co. | |
| 121.53.93.0/24 since Jan 2024 | AS18160 | Business | Dreamline Co. | |
| 121.53.94.0/24 since Jan 2024 | AS18160 | Business | Dreamline Co. | |
| 121.53.95.0/24 since Jan 2024 | AS18160 | Business | Dreamline Co. | |
| 121.53.104.0/23 since Feb 2022 | AS38099 | Business | Dreamline Co. | |
| 121.53.106.0/23 since Feb 2022 | AS38099 | Business | Dreamline Co. | |
| 121.53.108.0/24 since Feb 2023 | AS38099 | Business | Dreamline Co. | |
| 121.53.109.0/24 since Feb 2023 | AS38099 | Business | Dreamline Co. | |
| 121.53.110.0/24 since Feb 2023 | AS38099 | Business | Dreamline Co. | |
| 121.53.111.0/24 since Feb 2023 | AS38099 | Business | Dreamline Co. |
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 | 26,368 | 80% | 4 | |
| Business | 6,144 | 19% | 15 | |
| Residential | 256 | 0.78% | 1 |
Network & registry
Announced by
Covering announcement 121.53.0.0/16
- Prefix
- 121.53.0.0/16
- Announced by
- AS9457 Dreamline Co.
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- DREAMX-KR
- Registrant
- Dreamline Co.
- RIR
- APNIC
Origin network
AS9457
KR
- Name
- Dreamline Co.
- Type
- Internet provider
- Registered
- Nov 30, 1998
- Domain
- dreamline.co.kr
- Website
- dreamline.co.kr
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 121.53.0.0/16
121.53.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Jun 2006
- Current origin since
- Jun 2006 · 20 yr
- Origin networks
- 1
IRR
Route objects on 121.53.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9318 not the origin | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jul 7, 2006 |
| AS9318 not the origin | RADB | SK Broadband | MAINT-AS9318 | Nov 13, 2023 |
| AS9457 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| AS9457 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | May 4, 2008 |
Whois
Registration for this announcement
- Range
- 121.53.0.0/16
- Netname
- DREAMX-KR
- Registrant
- Dreamline Co.
- Registrant country
- KR
- Organization
- Dreamline Co.
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Jun 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR