AS139749 ASPA Check - Nanyang Telecom
PublishedNANYANGTELECOMINC-AS-AP - Nanyang Telecom Inc๐ต๐ญ - ASPA check for AS139749: the upstream transit providers AS139749 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS139749 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.
ASPA Status
Published
Upstream Providers
1
Downstream Customers
0
How to read this ASPA check
AS139749 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS139749 as its provider is ASPA-invalid.
Step-by-step ASPA check guide - including how to validate an AS-path hop by hop.
Peering Topology
Upstream Providers(1)
AS139749 authorizes these ASNs as upstream transit providers.
| ASN | Name |
|---|---|
| Tier 1 | Transit-free - declares no upstream provider |
ASPA object expires: 2026-10-22
Related Tools and Guides
- How to run an ASPA check - read and verify an ASPA record step by step
- ASPA explained - how provider authorization stops route leaks
- ASPA Check tool - check the ASPA record of any other ASN
- RPKI & ROA Lookup - validate prefixes and check ASPA records for any ASN
- Global ASPA Adoption Statistics - transit-free ASNs, top upstream providers, adoption trends
- AS139749 Overview - prefixes, BGP routes, peers, and RPKI status