subnet.im

AS136181ActivePort Pty Ltd

AustraliaRegistryAPNIC

As of 29th September 2026, AS136181 (ActivePort Pty Ltd), a network registered in Australia with APNIC, originates 4 IPv4 prefixes covering 1k addresses and 5 IPv6 prefixes. By IPv4 address space that makes it the 35,849th-largest of the 79,607 networks we see originating IPv4, and the 545th-largest of 1,661 in Australia. It is seen behind 3 upstream networks, most often AS49915 (Megaport (UK) Limited) and AS38887 (NAB Investment Holdings Pty Ltd). 89% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

4

IPv6 prefixes

5

IPv4 addresses

1k

IPv6 /64s

328k

Upstream graph

The networks AS136181 is seen behind, one and two hops out, drawn from real AS paths.

AS136181Toward the internet core
Upstream graph for AS136181: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS136181ActivePort Pty LtdThis networkAS38887NAB Investment Ho…AS49915Megaport (UK) Lim…AS133431Acurix Networks P…AS9280Servers Australia…AS134090LeaptelAS174Cogent Communicat…AS3257GTT Communication…AS7604Zettagrid Pty Ltd

Networks observed one and two hops upstream of AS136181 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS136181
NetworkCountryRelationshipPathsVantage pts
AS49915Megaport (UK) LimitedGBPeer233104
AS38887NAB Investment Holdings Pty LtdAUPeer22369
AS133431Acurix Networks Pty LtdAUPeer19565

Prefixes

The largest blocks AS136181 originates, widest first.

Largest prefixes originated by AS136181
PrefixAddressesVisibility
103.138.37.0/2425682/82
103.138.39.0/2425682/82
163.223.176.0/2425682/82
163.223.177.0/2425682/82
2001:9600:2::/4865.5k × /6464/65
2001:9600:3::/4865.5k × /6464/65
2001:9600:100::/4865.5k × /6465/65
2001:9600:101::/4865.5k × /6465/65
2001:9600:301::/4865.5k × /6465/65

Routing health

How AS136181's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid88.9%8
  • Invalid0.0%0
  • No ROA11.1%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%9
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

IPv6 — 5 prefixes

  • /4865.5k × /64100.0%5

Recent changes

Announcements that started or stopped since 30th Aug 2026.

  • Announced103.138.37.0/2422nd Sept 2026
  • Announced103.138.39.0/2422nd Sept 2026
  • Withdrawn103.138.36.0/2321st Sept 2026
  • Withdrawn2001:9600:302::/4821st Sept 2026

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.