SUBNET.IM

AS133748CORETEL NETWORKS (INTERNATIONAL) PTE LTD

SingaporeRegistryAPNIC

At a glance

IPv4 prefixes

21

IPv6 prefixes

5

IPv4 addresses

5.4k

IPv6 /64s

4.3B

Upstream graph

The networks AS133748 is seen behind, one and two hops out, drawn from real AS paths.

AS133748Toward the internet core
Upstream graph for AS133748: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS133748CORETEL NETWORKS …This networkAS3491PCCW Global (HK) …AS8888xTom Pty LtdAS9002RETN LimitedAS21859Zenlayer IncAS24482SG.GSAS24516Virtutel Pty LtdAS58511Swoop (Anycast Gl…AS51907Kanton ZugAS1299Arelion (fka. Tel…AS4229Zenlayer IncAS6453TATA Communicatio…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS133748 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

10

adjacent networks

Upstreams
550%
Peers
550%
Downstreams
00%

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

Upstreams of AS133748
NetworkCountryRelationshipPathsVantage pts
AS3491PCCW Global (HK) Ltd.HKPeer77389
AS9002RETN LimitedGBPeer452132
AS24482SG.GSSGPeer27680
AS21859Zenlayer IncUSPeer8080
AS8888xTom Pty LtdAUPeer123

Prefixes

All 26

The largest blocks AS133748 originates, widest first.

Largest prefixes originated by AS133748
PrefixAddressesVisibility
43.249.248.0/2425680/80
43.249.249.0/2425679/80
43.249.250.0/2425679/80
103.41.128.0/2425680/80
103.41.130.0/2425679/80
103.41.131.0/2425679/80
156.225.48.0/2425679/80
206.131.193.0/2425680/80
206.131.195.0/2425680/80
206.131.196.0/2425679/80

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