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AS6802 UNICOM-B-AS Bulgarian Research and Education Network Association (BREN)

UNICOM-B-AS Bulgarian Research and Education Network Association (BREN) · registered in Bulgaria

IPv4 addresses65,53639 prefixes · 0.002% of announced IPv4
Rank in Bulgaria#7largest network in BG by IPv4 space, of 669 · 1.64% of BG
Rank worldwide#2,872of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)22 prefixes
CountryBulgaria675 ASNs registered there
Open AS6802 in ASN lookup Look up an IP in this network (194.141.0.1) All networks in Bulgaria

IPv4 prefixes

All 39 prefixes, in address order.

  • 194.141.0.0/21
  • 194.141.8.0/23
  • 194.141.10.0/23
  • 194.141.12.0/24
  • 194.141.13.0/24
  • 194.141.14.0/23
  • 194.141.16.0/22
  • 194.141.20.0/23
  • 194.141.22.0/24
  • 194.141.23.0/24
  • 194.141.24.0/21
  • 194.141.32.0/21
  • 194.141.40.0/24
  • 194.141.41.0/24
  • 194.141.42.0/23
  • 194.141.44.0/22
  • 194.141.48.0/20
  • 194.141.64.0/22
  • 194.141.68.0/23
  • 194.141.70.0/23
  • 194.141.72.0/21
  • 194.141.80.0/22
  • 194.141.84.0/24
  • 194.141.85.0/24
  • 194.141.86.0/24
  • 194.141.87.0/24
  • 194.141.88.0/21
  • 194.141.96.0/20
  • 194.141.112.0/23
  • 194.141.114.0/23
  • 194.141.116.0/22
  • 194.141.120.0/21
  • 194.141.128.0/18
  • 194.141.192.0/19
  • 194.141.224.0/20
  • 194.141.240.0/22
  • 194.141.244.0/23
  • 194.141.246.0/23
  • 194.141.248.0/21

IPv6 prefixes

All 22 prefixes.

  • 2001:4b58::/45
  • 2001:4b58:8::/48
  • 2001:4b58:9::/48
  • 2001:4b58:a::/47
  • 2001:4b58:c::/46
  • 2001:4b58:10::/44
  • 2001:4b58:20::/47
  • 2001:4b58:22::/48
  • 2001:4b58:23::/48
  • 2001:4b58:24::/46
  • 2001:4b58:28::/45
  • 2001:4b58:30::/44
  • 2001:4b58:40::/42
  • 2001:4b58:80::/41
  • 2001:4b58:100::/40
  • 2001:4b58:200::/39
  • 2001:4b58:400::/38
  • 2001:4b58:800::/37
  • 2001:4b58:1000::/36
  • 2001:4b58:2000::/35
  • 2001:4b58:4000::/34
  • 2001:4b58:8000::/33

Similar-sized networks in Bulgaria

ASNNameIPv4 addresses
AS8717#4 A1BG A1 Bulgaria EAD217,856
AS9070#5 Cooolbox Cooolbox AD141,824
AS35141#6 A1BG_RSS A1 Bulgaria EAD111,360
AS39184#8 UltraNET-AS UltraNET Ltd55,808
AS59711#9 HZ-EU-AS HZ Hosting Ltd55,040
AS3245#10 DIGSYS-AS Digital Systems Ltd48,128

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources