Data as of Nov 9, 2026
103.21.171.0/24
No anonymizer space · no proxy exits in 30 daysVitro Inc. · space held by Philippine Telelgraph & Telephone
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 |
|---|---|---|---|---|---|---|
| 103.21.168.0/22 | 1,024 | PTT | Philippine Telelgraph & Telephone (ORG-PTT1-AP) · PH | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.21.171.0/24 | 256 | Dermalog | DERMALOG Identification Systems GmbH | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- Philippine Telelgraph & Telephone
- Handle
- ORG-PTT1-AP
- Range
- 103.
21. 168. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- DERMALOG Identification Systems GmbH
- Reallocated range
- 103.
21. 171. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS140708
PH
- Name
- Vitro Inc.
- Type
- Internet provider
- Registered
- Jun 8, 2020
- Domain
- vitroconnect.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2014
- Current origin since
- Dec 2020 · 5.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.21.171.0/24 | AS140708 | /24 | APNIC | RPKI valid |
| 103.21.168.0/22 | AS132454 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 103.
21. 171. 0/ 24 - Netname
- Dermalog
- Registrant
- DERMALOG Identification Systems GmbH
- Registrant country
- PH
- Organization
- DERMALOG Identification Systems GmbH
- Org country
- PH
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 24, 2021
- Maintainer
- MAINT-PH-PTT
- RIR
- APNIC
- Country
- PH
- Delegated
- Oct 15, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ptt. com. ph - Name
- ABUSE PTTPH
- Handle
- AP987-AP