subnet.im

AS45543SaiGon Tourist cable Televition Company

VietnamRegistryAPNICTypeEyeball

As of 10th November 2026, AS45543 (SaiGon Tourist cable Televition Company), an access network registered in Vietnam with APNIC, originates 100 IPv4 prefixes covering 603k addresses and 157 IPv6 prefixes. By IPv4 address space that makes it the 640th-largest of the 80,723 networks we see originating IPv4, and the 4th-largest of 537 in Vietnam. It is seen behind 16 upstream networks, most often AS45899 (VNPT Corp) and AS6939 (Hurricane Electric LLC), and in front of 9 downstream networks. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 32% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

100

IPv6 prefixes

157

IPv4 addresses

603k

IPv6 /64s

4.4B

Upstream graph

The networks AS45543 is seen behind, one and two hops out, drawn from real AS paths.

AS45543Toward the internet core
Upstream graph for AS45543: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS45543SaiGon Tourist ca…This networkAS1299Arelion (fka. Tel…AS6939Hurricane Electri…AS18403FPT Telecom Compa…AS45899VNPT CorpAS132337AxclusiveAS13030Init7 (Switzerlan…AS16552Tiggee LLCAS20130Depaul UniversityAS3356Lumen (Level 3)AS6453TATA Communicatio…AS23764China Telecom Glo…AS9002RETN Limited

Networks observed one and two hops upstream of AS45543 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

54

adjacent networks

Upstreams
1630%
Peers
2954%
Downstreams
917%

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

Upstreams of AS45543
NetworkCountryRelationshipPathsVantage pts
AS45899VNPT CorpVNPeer6,83078
AS6939Hurricane Electric LLCUSPeer3,384133
AS18403FPT Telecom CompanyVNPeer1,091138
AS132337AxclusiveSGAdjacent3162
AS1299Arelion (fka. Telia Carrier)SEPeer17220
AS4775Globe TelecomsPHAdjacent1001
AS35280F5 Networks SARLFRPeer994
AS49544i3D.net B.VNLPeer352
AS24482SG.GSSGPeer214
AS23962Vietnam Internet Network Information CenterVNAdjacent121

Prefixes

All 257

The largest blocks AS45543 originates, widest first.

Largest prefixes originated by AS45543
PrefixAddressesVisibility
27.2.0.0/15131k76/76
112.197.0.0/1665.5k76/76
27.2.0.0/1816.4k1/76
27.2.64.0/1816.4k1/76
27.2.128.0/1816.4k1/76
27.2.192.0/1816.4k1/76
27.3.0.0/1816.4k1/76
27.3.64.0/1816.4k1/76
27.3.128.0/1816.4k1/76
27.3.192.0/1816.4k1/76

Routing health

How AS45543'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

  • Valid100.0%257
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more31.9%82
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%68.1%175

Prefix sizes

IPv4 — 100 prefixes

IPv6 — 157 prefixes

  • /324.3B × /640.6%1
  • /4016.8M × /641.9%3
  • /4865.5k × /6497.5%153

Recent changes

Announcements that started or stopped since 11th Oct 2026.

159 announced and 8 withdrawn in all; the most recent are shown.

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