subnet.im

AS8866Vivacom Bulgaria EAD

BulgariaRegistryRIPE NCCTypeEyeball

As of 14th November 2026, AS8866 (Vivacom Bulgaria EAD), an access network registered in Bulgaria with RIPE NCC, originates 1,016 IPv4 prefixes covering 1.5M addresses and 217 IPv6 prefixes. By IPv4 address space that makes it the 361st-largest of the 80,840 networks we see originating IPv4, and the largest of 678 in Bulgaria. It is seen behind 50 upstream networks, most often AS3356 (Lumen (Level 3)) and AS9002 (RETN Limited), and in front of 111 downstream networks. Over 99% of its announcements have a valid RPKI ROA; 5 are RPKI-invalid. 96% of its routes reach at least 90% of full-feed peers, and 1 prefix is also originated by another network.

At a glance

IPv4 prefixes

1,016

IPv6 prefixes

217

IPv4 addresses

1.5M

IPv6 /64s

8.7B

Upstream graph

The networks AS8866 is seen behind, one and two hops out, drawn from real AS paths.

Networks observed one and two hops upstream of AS8866 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

483

adjacent networks

Upstreams
5010%
Peers
32267%
Downstreams
11123%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 50.

Prefixes

All 1,233

The largest blocks AS8866 originates, widest first.

Largest prefixes originated by AS8866
PrefixAddressesVisibility
79.100.0.0/1665.5k78/78
95.42.0.0/1665.5k78/78
46.10.0.0/1732.8k78/78
77.85.0.0/1732.8k78/78
87.126.0.0/1732.8k78/78
90.154.128.0/1732.8k78/78
91.139.128.0/1732.8k78/78
93.155.128.0/1732.8k78/78
95.43.0.0/1732.8k78/78
178.169.128.0/1732.8k78/78

Routing health

How AS8866'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

  • Valid99.6%1,228
  • Invalid0.4%5
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more95.7%1,180
  • Partially propagated40% to 90%<0.1%1
  • Seen by few peersUnder 40%4.2%52

Prefix sizes

IPv6 — 217 prefixes

  • /324.3B × /640.9%2
  • /4016.8M × /640.9%2
  • /45524k × /6417.5%38
  • /46262k × /6418.9%41
  • /47131k × /6420.7%45
  • /4865.5k × /6424.9%54
  • /49 and longerAggregated16.1%35

Recent changes

Announcements that started or stopped since 15th Oct 2026.

29 announced and 20 withdrawn in all; the most recent are shown.

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