$ query “AS39251” --type=asn → 1 result(s)

AS39251 · NETGUARD

NETGUARD LLC

AS39251 belongs to NETGUARD LLC and is a residential access provider, registered in Bulgaria since 2006. The system announces a respectable 22 272 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Bulgaria.

Basic Information

Country
🇧🇬 Bulgaria
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 18, 2006
Last Changed
October 03, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
73 / 22
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
22 272
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇬 Bulgaria (22 272 IPs)
Prefix Changed
July 16, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 22 272 total (0.01%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
38 networks exchanging traffic without transit
Downstream Customers
3 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
49 unique BGP neighbors
Reach
3 networks in customer cone

Upstream Providers (5)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS59900 — BALKAN-INTERNET-EXCHANGE

Prefix Lists

IPv4 Prefixes (73 total)

  • 77.76.16.0/20 (4 096 addresses (/20 prefix))
  • 91.92.80.0/20 (4 096 addresses (/20 prefix))
  • 91.92.72.0/21 (2 048 addresses (/21 prefix))
  • 91.92.96.0/21 (2 048 addresses (/21 prefix))
  • 85.130.72.0/22 (1 024 addresses (/22 prefix))
  • 109.160.52.0/22 (1 024 addresses (/22 prefix))
  • 185.163.140.0/22 (1 024 addresses (/22 prefix))
  • 185.225.84.0/22 (1 024 addresses (/22 prefix))
  • 185.229.252.0/22 (1 024 addresses (/22 prefix))
  • 213.232.88.0/22 (1 024 addresses (/22 prefix))
  • 91.207.190.0/23 (512 addresses (/23 prefix))
  • 195.238.84.0/23 (512 addresses (/23 prefix))
  • 212.70.140.0/23 (512 addresses (/23 prefix))
  • 91.223.66.0/24 (256 addresses (/24 prefix))
  • 91.245.192.0/24 (256 addresses (/24 prefix))
  • 95.169.199.0/24 (256 addresses (/24 prefix))
  • 95.169.200.0/24 (256 addresses (/24 prefix))
  • 193.37.238.0/24 (256 addresses (/24 prefix))
  • 194.169.223.0/24 (256 addresses (/24 prefix))
  • 194.169.230.0/24 (256 addresses (/24 prefix))
  • 194.169.237.0/24 (256 addresses (/24 prefix))
  • 194.169.242.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a0b:f800::/32