subnet.im

AS17799asn for Liaoning Provincial Net of CT

ChinaRegistryAPNIC

As of 27th September 2026, AS17799 (asn for Liaoning Provincial Net of CT), a network registered in China with APNIC, originates 27 IPv4 prefixes covering 296k addresses and 5 IPv6 prefixes. By IPv4 address space that makes it the 989th-largest of the 79,525 networks we see originating IPv4, and the 67th-largest of 607 in China. It is seen behind 1 upstream network, most often AS4134 (China Telecom Backbone), and in front of 1 downstream network. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 97% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

27

IPv6 prefixes

5

IPv4 addresses

296k

IPv6 /64s

554M

Upstream graph

The networks AS17799 is seen behind, one and two hops out, drawn from real AS paths.

AS17799Toward the internet core
Upstream graph for AS17799: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS17799asn for Liaoning …This networkAS4134China Telecom Bac…AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS17799 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

4

adjacent networks

Upstreams
125%
Peers
250%
Downstreams
125%

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

Upstreams of AS17799
NetworkCountryRelationshipPathsVantage pts
AS4134China Telecom BackboneCNPeer2,778144

Prefixes

All 32

The largest blocks AS17799 originates, widest first.

Largest prefixes originated by AS17799
PrefixAddressesVisibility
182.205.0.0/1665.5k81/81
182.206.0.0/1665.5k81/81
123.247.128.0/1732.8k81/81
182.205.128.0/1732.8k81/81
182.206.0.0/1732.8k81/81
123.177.128.0/1816.4k81/81
123.177.192.0/1816.4k81/81
182.205.0.0/1816.4k81/81
42.249.128.0/198.2k81/81
42.248.152.0/212k81/81

Routing health

How AS17799'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%32
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more96.9%31
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%3.1%1

Prefix sizes

IPv4 — 27 prefixes

IPv6 — 5 prefixes

  • /36268M × /6420.0%1
  • /37134M × /6440.0%2
  • /4016.8M × /6420.0%1
  • /4865.5k × /6420.0%1

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS17799 started or stopped in this period.

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