AS23856 ASPA Check - SPTEL PTE

Published

SPTEL-AS-AP - SPTEL PTE. LTD.🇸🇬 - ASPA check for AS23856: the upstream transit providers AS23856 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS23856 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
5
Downstream Customers
2

How to read this ASPA check

The 5 providers below are the only networks allowed to appear directly above AS23856 in an AS-path. If AS23856 uses a transit provider that is missing from this list, routers that enforce ASPA treat its routes through that provider as invalid, so the list should include every current and backup transit provider. Peers do not belong in it.

Step-by-step ASPA check guide - including how to validate an AS-path hop by hop.

Peering Topology

AS23856 peering topology: 5 upstream providers and 2 downstream customersUpstreams: AS3356, AS4657, AS9002, AS23764, AS134078. Downstreams: AS137468, AS139883.AS23856 - SPTEL-AS-AP - SPTEL PTE. LTD.AS23856SPTEL-AS-AP - SPTEL P…AS3356LEVEL3 - Level 3 Pare…AS3356 - LEVEL3 - Level 3 Parent, LLCAS4657STARHUB-INTERNET - St…AS4657 - STARHUB-INTERNET - StarHub LtdAS9002RETN-AS RETN LimitedAS9002 - RETN-AS RETN LimitedAS23764CTGNet - CTGNetAS23764 - CTGNet - CTGNetAS134078NETPLUZ-AS-AP - NETPL…AS134078 - NETPLUZ-AS-AP - NETPLUZ HOLDINGS PRIVATE LIMITEDAS137468SPTEL-AS-AP - SPTEL P…AS137468 - SPTEL-AS-AP - SPTEL PTE. LTD.AS139883SPTEL-AS-AP - SPTEL P…AS139883 - SPTEL-AS-AP - SPTEL PTE. LTD.UPSTREAMSDOWNSTREAMS

Upstream Providers(5)

AS23856 authorizes these ASNs as upstream transit providers.

ASNName
AS3356🇺🇸LEVEL3 - Level 3 Parent, LLC
AS4657🇸🇬STARHUB-INTERNET - StarHub Ltd
AS9002🇬🇧RETN-AS RETN Limited
AS23764🇭🇰CTGNet - CTGNet
AS134078🇸🇬NETPLUZ-AS-AP - NETPLUZ HOLDINGS PRIVATE LIMITED

Downstream Customers(2)

These ASNs list AS23856 as an authorized upstream provider.

ASNName
AS137468🇸🇬SPTEL-AS-AP - SPTEL PTE. LTD.
AS139883🇸🇬SPTEL-AS-AP - SPTEL PTE. LTD.

ASPA object expires: 2026-10-19

Related Tools and Guides

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