Data as of Nov 11, 2026
203.149.7.40/29
No anonymizer space · no proxy exits in 30 daysSamart Infonet Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.149.0.0/19 since May 2024 | AS4741 | Residential | 5 | Samart Infonet Co., Ltd. | |
| 203.149.0.0/18 since May 2005 | AS4741 | Residential | 6 | 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 | — | technical@ |
| └ 203.149.7.40/29 | 8 | Samart-Comtech | Samart-Comtech-Network | ASSIGNED NON-PORTABLE | — | technical@ via SIF-TH |
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 203.149.0.0/20
- Prefix
- 203.149.0.0/20
- Announced by
- AS4741 Samart Infonet Co., Ltd.
- Type
- Residential
- Proxy exits
- 2
- 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
203.149.0.0/20
Routing history
- Pattern
- Stable
- First seen
- Jan 2013
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.149.0.0/20 | AS4741 | /20 | APNIC | RPKI valid |
| 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
- technical@
samart. co. th - Name
- ABUSE SAMARTTH
- Handle
- AS2634-AP