Data as of Nov 3, 2026
203.149.0.0/23
No anonymizer space · no proxy exits in 30 daysSamart Infonet Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.149.0.0/20 since May 2024 | AS4741 | Residential | Samart Infonet Co., Ltd. | ||
| 203.149.0.0/19 since May 2024 | AS4741 | Residential | 2 | Samart Infonet Co., Ltd. | |
| 203.149.0.0/18 since May 2005 | AS4741 | Residential | 3 | Samart Infonet Co., Ltd. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.149.0.0/24 since May 2024 | AS4741 | Residential | Samart Infonet Co., Ltd. |
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 |
|---|---|---|---|---|---|---|
| 203.149.0.0/18 | 16,384 | SIF-TH | Samart Infonet Co., Ltd. (ORG-SICL1-AP) · TH | ALLOCATED PORTABLE | — | [email protected] |
| └ 203.149.0.0/23 | 512 | SIF | Networks Samart Infonet | ASSIGNED NON-PORTABLE | — | [email protected] |
Network & registry
Announced by
Covering announcement 203.149.0.0/22
- Prefix
- 203.149.0.0/22
- Announced by
- AS4741 Samart Infonet Co., Ltd.
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- SIF-TH
- Registrant
- Samart Infonet Co., Ltd.
- RIR
- APNIC
Origin network
AS4741
TH
- Name
- Samart Infonet Co., Ltd.
- Type
- Internet provider
- Registered
- Jul 10, 1996
- Domain
- samart.co.th
- Website
- www.samarts.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
203.149.0.0/22
Routing history
- Pattern
- Stable
- First seen
- Jul 2014
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.149.0.0/22 | AS4741 | /22 | APNIC | RPKI valid |
| 203.149.0.0/20 | AS4741 | /20 | APNIC | Too specific |
| 203.149.0.0/19 | AS4741 | /19 | APNIC | Too specific |
| 203.149.0.0/18 | AS4741 | /18 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 203.149.0.0/18
- Netname
- SIF-TH
- Registrant
- Samart Infonet Co., Ltd.
- Registrant country
- TH
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 7, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- TH
- Delegated
- Feb 12, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE SAMARTTH
- Handle
- AS2634-AP