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AS219521VERSADC VERI MERKEZI HIZMETLERI LIMITED SIRKETI

TürkiyeRegistryRIPE NCC

As of 10th November 2026, AS219521 (VERSADC VERI MERKEZI HIZMETLERI LIMITED…), a network registered in Türkiye with RIPE NCC, originates 4 IPv4 prefixes covering 1k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 36,486th-largest of the 80,723 networks we see originating IPv4, and the 276th-largest of 871 in Türkiye. It is seen behind 3 upstream networks, most often AS206119 (Veganet Teknolojileri ve Hizmetleri LTD…) and AS9121 (Turk Telekom), and in front of 5 downstream networks. 83% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 83% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

4

IPv6 prefixes

2

IPv4 addresses

1k

IPv6 /64s

131k

Upstream graph

The networks AS219521 is seen behind, one and two hops out, drawn from real AS paths.

AS219521Toward the internet core
Upstream graph for AS219521: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS219521VERSADC VERI MERK…This networkAS6939Hurricane Electri…AS9121Turk TelekomAS206119Veganet Teknoloji…AS20130Depaul UniversityAS132337AxclusiveAS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS9002RETN LimitedAS201086Mahsum Celik trad…

Networks observed one and two hops upstream of AS219521 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

14

adjacent networks

Upstreams
321%
Peers
643%
Downstreams
536%

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

Upstreams of AS219521
NetworkCountryRelationshipPathsVantage pts
AS206119Veganet Teknolojileri ve Hizmetleri LTD STITRPeer1,49976
AS9121Turk TelekomTRPeer35990
AS6939Hurricane Electric LLCUSAdjacent122

Prefixes

The largest blocks AS219521 originates, widest first.

Largest prefixes originated by AS219521
PrefixAddressesVisibility
45.132.183.0/2425676/76
46.232.236.0/2425676/76
185.165.77.0/242561/76
187.52.38.0/2425676/76
2a14:db80:6::/4865.5k × /6461/63
2a14:db80:16::/4865.5k × /6461/63

Routing health

How AS219521'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

  • Valid83.3%5
  • Invalid0.0%0
  • No ROA16.7%1

Propagation

  • Globally propagated90% of full-feed peers or more83.3%5
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%16.7%1

Prefix sizes

IPv4 — 4 prefixes

IPv6 — 2 prefixes

  • /4865.5k × /64100.0%2

Recent changes

Announcements that started or stopped since 11th Oct 2026.

  • Withdrawn193.164.5.0/2410th Nov 2026
  • Announced193.164.5.0/2410th Nov 2026
  • Announced193.164.5.0/249th Nov 2026
  • Withdrawn193.164.5.0/249th Nov 2026
  • Announced2.56.108.0/249th Nov 2026
  • Withdrawn2.56.108.0/249th Nov 2026
  • Announced2.56.109.0/249th Nov 2026
  • Withdrawn2.56.109.0/249th Nov 2026
  • Announced31.58.251.0/249th Nov 2026
  • Withdrawn31.58.251.0/249th Nov 2026
  • Announced45.81.115.0/249th Nov 2026
  • Withdrawn45.81.115.0/249th Nov 2026

19 announced and 16 withdrawn in all; the most recent are shown.

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