Bulgaria
Top organizations
| Organization | IPs | Ranges |
|---|---|---|
| Vivacom Bulgaria EAD | 1.04M | 481 |
| A1 Bulgaria EAD | 942.6K | 1,033 |
| Cooolbox AD | 141.6K | 88 |
| Fastly, Inc. | 65.8K | 2 |
| University of California, San Diego | 65.8K | 2 |
| Bulgarian Research and Education Network Association (BREN) | 65.5K | 1 |
| UltraNET Ltd | 55.8K | 41 |
| Digital Systems Ltd | 48.1K | 11 |
| Cifrova Kabelna Korporacia EOOD | 44.3K | 13 |
| M SAT Cable EAD | 39.4K | 6 |
| Comnet Bulgaria Holding Ltd. | 37.6K | 32 |
| Geo BG Net SPLtd. | 37.4K | 24 |
| ESCOM Ltd. - Haskovo | 37.1K | 26 |
| Net-Surf.net Ltd. | 36.4K | 24 |
| Neterra Ltd. | 35.6K | 92 |
| Optisprint OOD | 34.8K | 22 |
| Evolink EAD | 34.3K | 57 |
| Geodim Ltd. | 33.5K | 22 |
| Telehouse EAD | 28.7K | 83 |
| CETIN Bulgaria EAD | 28.2K | 15 |
| Angel Soft OOD | 27.1K | 5 |
| Cogent Communications, LLC | 27.1K | 7 |
| Netguard LLC | 23.8K | 24 |
| i-Wet Ltd. | 20.5K | 2 |
| Optinet Ltd | 18.4K | 20 |
Top ASNs
| ASN | Name | IPs |
|---|---|---|
| AS8866 | Vivacom Bulgaria EAD | 1.02M |
| AS13124 | A1 Bulgaria EAD | 307.7K |
| AS29580 | A1 Bulgaria EAD | 264.7K |
| AS8717 | A1 Bulgaria EAD | 217.3K |
| AS9070 | Cooolbox AD | 141.6K |
| AS35141 | A1 Bulgaria EAD | 111.4K |
| AS7377 | University of California, San Diego | 65.8K |
| AS54113 | Fastly, Inc. | 65.8K |
| AS6802 | Bulgarian Research and Education Network Association (BREN) | 65.5K |
| AS39184 | UltraNET Ltd | 55.8K |
| AS3245 | Digital Systems Ltd | 48.1K |
| AS12716 | A1 Bulgaria EAD | 40.7K |
| AS21230 | M SAT Cable EAD | 39.4K |
| AS29084 | Comnet Bulgaria Holding Ltd. | 37.4K |
| AS34295 | Geo BG Net SPLtd. | 37.4K |
| AS25374 | ESCOM Ltd. - Haskovo | 37.1K |
| AS20911 | Net-Surf.net Ltd. | 36.4K |
| AS29582 | Optisprint OOD | 34.8K |
| AS8262 | Evolink EAD | 34.3K |
| AS34224 | Neterra Ltd. | 34.3K |
| AS29687 | Geodim Ltd. | 33.5K |
| AS51582 | Cifrova Kabelna Korporacia EOOD | 31.2K |
| AS57344 | Telehouse EAD | 28.7K |
| AS174 | Cogent Communications, LLC | 27.1K |
| AS12829 | Angel Soft OOD | 27.1K |
Regions / states / provinces
Network composition
How Bulgaria's allocated IPv4 space breaks down by operator type, regional registry, and block size.
| Category | IPv4 | Share |
|---|---|---|
| Enterprise | 2.16M |
80.4%
|
| ISP / Telecom | 364.5K |
13.6%
|
| Hosting / Cloud | 80.6K |
3.0%
|
| Academic / Research | 41.2K |
1.5%
|
| Mobile | 35.8K |
1.3%
|
| Government | 3.6K |
0.1%
|
| CDN | 1.0K |
0.0%
|
| Registry | IPv4 | Share |
|---|---|---|
| RIPE NCC | 4.19M |
97.4%
|
| ARIN | 103.5K |
2.4%
|
| AFRINIC | 6.4K |
0.1%
|
| APNIC | 514 |
0.0%
|
Routing & security
Live BGP routing footprint for Bulgaria from our global collectors, with RPKI route-origin validation coverage.
RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →
Web3 footprint
Bulgaria hosts 42 observed decentralized-network nodes across 7 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Reverse-DNS, threat intelligence & internet health
How much of Bulgaria's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.
Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Internet adoption from the World Bank; censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.
Frequently Asked Questions
How many IPv4 addresses are allocated to Bulgaria?
Bulgaria has 4,303,694 IPv4 addresses allocated across 2,357 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.
What are the largest internet providers in Bulgaria?
The top organizations in Bulgaria by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 50 organizations collectively manage the majority of the country's IPv4 address space.
How many ASNs operate in Bulgaria?
Bulgaria has 50 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.
What continent is Bulgaria in?
Bulgaria is located in Europe. IP address allocations in this region are managed by RIPE NCC.
