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AS43727JSC KVANT-TELEKOM

RussiaRegistryRIPE NCCTypeEyeball

As of 10th November 2026, AS43727 (JSC KVANT-TELEKOM), an access network registered in Russia with RIPE NCC, originates 92 IPv4 prefixes covering 49.2k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 4,556th-largest of the 80,733 networks we see originating IPv4, and the 171st-largest of 4,982 in Russia. It is seen behind 45 upstream networks, most often AS6939 (Hurricane Electric LLC) and AS20764 (CJSC RASCOM), and in front of 48 downstream networks. 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

92

IPv6 prefixes

1

IPv4 addresses

49.2k

IPv6 /64s

4.3B

Upstream graph

The networks AS43727 is seen behind, one and two hops out, drawn from real AS paths.

AS43727Toward the internet core
Upstream graph for AS43727: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS43727JSC KVANT-TELEKOMThis networkAS6762Telecom Italia Sp…AS6939Hurricane Electri…AS8455atom86 BVAS18106Viewqwest Pte LtdAS20764CJSC RASCOMAS32590Valve CorporationAS2914NTT America, Inc.AS20130Depaul UniversityAS132337AxclusiveAS51088A2B IP B.V.AS3257GTT Communication…AS3491PCCW Global (HK) …

Networks observed one and two hops upstream of AS43727 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

765

adjacent networks

Upstreams
456%
Peers
67288%
Downstreams
486%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 45.

Upstreams of AS43727
NetworkCountryRelationshipPathsVantage pts
AS6939Hurricane Electric LLCUSPeer30,40290
AS20764CJSC RASCOMRUPeer4,31430
AS8455atom86 BVNLPeer2,9252
AS6762Telecom Italia Sparkle (Seabone)ITPeer2,55725
AS18106Viewqwest Pte LtdSGPeer2,4464
AS39122Blacknight Internet Solutions LimitedIEPeer2,1192
AS3170VeloxServ Communications LtdGBPeer1,8641
AS24482SG.GSSGPeer1,6532
AS3216PJSC VimpelcomRUPeer1,55226
AS7768Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAYAR TEKNOLOJILERITRPeer1,3602

Prefixes

All 93

The largest blocks AS43727 originates, widest first.

Largest prefixes originated by AS43727
PrefixAddressesVisibility
77.241.240.0/204.1k76/76
109.106.144.0/204.1k76/76
31.210.208.0/212k76/76
31.210.216.0/212k76/76
77.241.240.0/212k76/76
77.241.248.0/212k76/76
93.157.144.0/212k76/76
109.106.128.0/212k76/76
178.210.32.0/212k76/76
178.210.40.0/212k76/76

Routing health

How AS43727'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%93
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more96.8%90
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%3.2%3

Prefix sizes

IPv4 — 92 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

15 announced and 9 withdrawn in all; the most recent are shown.

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