subnet.im

AS135621PCCW IMS Ltd (PCCW Business Internet Access)

Hong Kong SAR ChinaRegistryAPNIC

As of 11th November 2026, AS135621 (PCCW IMS Ltd (PCCW Business Internet…), a network registered in Hong Kong SAR China with APNIC, originates 1 IPv4 prefix covering 256 addresses. By IPv4 address space that makes it the 59,982nd-largest of the 80,747 networks we see originating IPv4, and the 641st-largest of 760 in Hong Kong SAR China. It is seen behind 1 upstream network, most often AS4515 (PCCW IMS Ltd (PCCW Business Internet…). None of its announcements have a valid RPKI ROA. 0% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS135621 is seen behind, one and two hops out, drawn from real AS paths.

AS135621Toward the internet core
Upstream graph for AS135621: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS135621PCCW IMS Ltd (PCC…This networkAS4515PCCW IMS Ltd (PCC…AS3491PCCW Global (HK) …AS4635HKIX Route Servers

Networks observed one and two hops upstream of AS135621 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS135621
NetworkCountryRelationshipPathsVantage pts
AS4515PCCW IMS Ltd (PCCW Business Internet Access)HKPeer11

Prefixes

The largest blocks AS135621 originates, widest first.

Largest prefixes originated by AS135621
PrefixAddressesVisibility
223.197.115.0/242561/76

Routing health

How AS135621'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

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%1

Propagation

  • Globally propagated90% of full-feed peers or more0.0%0
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%100.0%1

Prefix sizes

IPv4 — 1 prefixes

Recent changes

Announcements that started or stopped since 12th Oct 2026.

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