$ query “AS44901” --type=asn → 1 result(s)

AS44901 · BELCLOUD

Belcloud LTD

AS44901 is operated by Belcloud LTD and serves as a major transit provider, based in Bulgaria since 2016. The system announces a respectable 19 456 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Bulgaria, with additional presence in Cyprus and the Netherlands, and smaller footprints in 4 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #8 in Bulgaria — Top 10 by reach within country

Basic Information

Country
🇧🇬 Bulgaria
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 18, 2016
Last Changed
June 01, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
76 / 48
IPv6 Prefixes (raw / aggregated)
4 / 3
IPv4 Addresses
19 456
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇧🇬 Bulgaria (24 832 IPs), 🇨🇾 Cyprus (5 120 IPs), 🇳🇱 Netherlands (1 024 IPs) and 4 more
Prefix Changed
June 17, 2026

Reputation

Reputation
Good — 38 flagged IPs out of 19 456 total (0.20%)

Connectivity Summary

Upstream Providers
12 upstreams providing transit
Peers
252 networks exchanging traffic without transit
Downstream Customers
50 downstreams buying transit
Unclassified
17 unclassified BGP neighbors
Degree
331 unique BGP neighbors
Reach
8 418 networks in customer cone

Upstream Providers (12)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS9002 — RETN-AS
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)
  • AS39686 — AS-EUROFIBER
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS8717 — A1BG
  • AS212508 — LOWHOSTING-AS
  • and 2 more

Prefix Lists

IPv4 Prefixes (76 total)

  • 185.203.116.0/22 (1 024 addresses (/22 prefix))
  • 185.141.60.0/22 (1 024 addresses (/22 prefix))
  • 193.37.212.0/22 (1 024 addresses (/22 prefix))
  • 185.205.208.0/22 (1 024 addresses (/22 prefix))
  • 185.206.144.0/22 (1 024 addresses (/22 prefix))
  • 185.148.144.0/22 (1 024 addresses (/22 prefix))
  • 45.137.220.0/22 (1 024 addresses (/22 prefix))
  • 85.217.170.0/23 (512 addresses (/23 prefix))
  • 88.80.150.0/23 (512 addresses (/23 prefix))
  • 91.132.60.0/23 (512 addresses (/23 prefix))
  • 185.177.56.0/23 (512 addresses (/23 prefix))
  • 185.243.212.0/23 (512 addresses (/23 prefix))
  • 85.137.18.0/23 (512 addresses (/23 prefix))
  • 91.92.136.0/23 (512 addresses (/23 prefix))
  • 94.156.144.0/24 (256 addresses (/24 prefix))
  • 178.255.220.0/24 (256 addresses (/24 prefix))
  • 91.108.225.0/24 (256 addresses (/24 prefix))
  • 91.92.144.0/24 (256 addresses (/24 prefix))
  • 91.132.63.0/24 (256 addresses (/24 prefix))
  • 93.94.140.0/24 (256 addresses (/24 prefix))
  • 93.94.142.0/24 (256 addresses (/24 prefix))
  • 93.123.10.0/24 (256 addresses (/24 prefix))
  • 94.156.35.0/24 (256 addresses (/24 prefix))
  • 94.156.128.0/24 (256 addresses (/24 prefix))
  • 23.26.245.0/24 (256 addresses (/24 prefix))
  • 94.156.174.0/24 (256 addresses (/24 prefix))
  • 94.156.189.0/24 (256 addresses (/24 prefix))
  • 95.169.196.0/24 (256 addresses (/24 prefix))
  • 95.169.202.0/24 (256 addresses (/24 prefix))
  • 109.94.110.0/24 (256 addresses (/24 prefix))
  • 152.89.28.0/24 (256 addresses (/24 prefix))
  • 91.92.247.0/24 (256 addresses (/24 prefix))
  • 185.7.219.0/24 (256 addresses (/24 prefix))
  • 91.92.128.0/24 (256 addresses (/24 prefix))
  • 91.92.120.0/24 (256 addresses (/24 prefix))
  • 91.92.111.0/24 (256 addresses (/24 prefix))
  • 185.177.59.0/24 (256 addresses (/24 prefix))
  • 185.196.101.0/24 (256 addresses (/24 prefix))
  • 91.92.108.0/24 (256 addresses (/24 prefix))
  • 88.80.148.0/24 (256 addresses (/24 prefix))
  • 88.80.147.0/24 (256 addresses (/24 prefix))
  • 185.222.105.0/24 (256 addresses (/24 prefix))
  • 88.80.145.0/24 (256 addresses (/24 prefix))
  • 185.244.128.0/24 (256 addresses (/24 prefix))
  • 193.9.47.0/24 (256 addresses (/24 prefix))
  • 78.40.142.0/24 (256 addresses (/24 prefix))
  • 193.135.174.0/24 (256 addresses (/24 prefix))
  • 212.73.150.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (4 total)

  • 2a07:5740::/31
  • 2a09:be80::/32
  • 2a14:640::/48