$ query “AS13124” --type=asn → 1 result(s)

AS13124 — A1BG-RSD

A1 Bulgaria EAD

AS13124 is a stub network run by A1 Bulgaria EAD, registered in Bulgaria. The network announces a solid 306 432 IPv4 addresses. Supports IPv6.

Basic Information

Country
🇧🇬 Bulgaria
Category
Internet Service Provider
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
433 / 181
IPv6 Prefixes (raw / aggregated)
72 / 47
IPv4 Addresses
306 432
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇧🇬 BG (184 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 306 432 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
0 downstream autonomous systems buying transit
Degree
1 unique BGP neighbors (providers + customers + peers)
Reach
0 — customer cone size measuring network influence
Degree Rank
#54 379

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (433 total)

  • 87.97.192.0/18 (16 384 addresses)
  • 130.204.0.0/18 (16 384 addresses)
  • 5.53.128.0/19 (8 192 addresses)
  • 5.53.192.0/19 (8 192 addresses)
  • 85.130.0.0/19 (8 192 addresses)
  • 87.97.128.0/19 (8 192 addresses)
  • 89.215.64.0/19 (8 192 addresses)
  • 89.215.128.0/19 (8 192 addresses)
  • 89.253.128.0/19 (8 192 addresses)
  • 130.204.96.0/19 (8 192 addresses)
  • 130.204.160.0/19 (8 192 addresses)
  • 151.251.0.0/19 (8 192 addresses)
  • 213.240.192.0/19 (8 192 addresses)
  • 5.53.160.0/20 (4 096 addresses)
  • 62.221.144.0/20 (4 096 addresses)
  • 77.244.192.0/20 (4 096 addresses)
  • 84.252.16.0/20 (4 096 addresses)
  • 89.215.16.0/20 (4 096 addresses)
  • 89.215.96.0/20 (4 096 addresses)
  • 89.215.192.0/20 (4 096 addresses)
  • 89.253.176.0/20 (4 096 addresses)
  • 130.204.80.0/20 (4 096 addresses)
  • 130.204.144.0/20 (4 096 addresses)
  • 130.204.192.0/20 (4 096 addresses)
  • 151.251.80.0/20 (4 096 addresses)
  • 151.251.208.0/20 (4 096 addresses)
  • 213.191.176.0/20 (4 096 addresses)
  • 5.53.184.0/21 (2 048 addresses)
  • 5.53.224.0/21 (2 048 addresses)
  • 5.53.248.0/21 (2 048 addresses)
  • 37.130.240.0/21 (2 048 addresses)
  • 77.236.160.0/21 (2 048 addresses)
  • 77.236.184.0/21 (2 048 addresses)
  • 84.252.32.0/21 (2 048 addresses)
  • 84.252.56.0/21 (2 048 addresses)
  • 85.91.128.0/21 (2 048 addresses)
  • 85.130.32.0/21 (2 048 addresses)
  • 85.130.48.0/21 (2 048 addresses)
  • 85.130.64.0/21 (2 048 addresses)
  • 85.130.80.0/21 (2 048 addresses)
  • 85.130.112.0/21 (2 048 addresses)
  • 87.97.168.0/21 (2 048 addresses)
  • 87.97.184.0/21 (2 048 addresses)
  • 89.215.0.0/21 (2 048 addresses)
  • 89.215.32.0/21 (2 048 addresses)
  • 89.215.112.0/21 (2 048 addresses)
  • 89.215.160.0/21 (2 048 addresses)
  • 89.215.184.0/21 (2 048 addresses)
  • 89.215.216.0/21 (2 048 addresses)
  • 89.215.248.0/21 (2 048 addresses)

IPv6 Prefixes (72 total)

  • 2a00:4802:a00::/40
  • 2a00:4802:e00::/40
  • 2a00:4802:1a00::/40
  • 2a00:4802:1e00::/42
  • 2a00:4802:2c00::/42
  • 2a00:4802:2e00::/42
  • 2a00:4802:1e40::/43
  • 2a00:4802:3000::/43
  • 2a00:4802:3e00::/43
  • 2a00:4802:4a00::/43
  • 2a00:4802:4c00::/43
  • 2a01:288:100::/43
  • 2a00:4800:a0::/44
  • 2a00:4800:e0::/44
  • 2a00:4800:1a0::/44
  • 2a00:4802:220::/44
  • 2a00:4802:260::/44
  • 2a00:4802:280::/44
  • 2a00:4802:2a0::/44
  • 2a00:4802:2c0::/44
  • 2a00:4802:2e0::/44
  • 2a00:4802:300::/44
  • 2a00:4802:320::/44
  • 2a00:4802:350::/44
  • 2a00:4802:360::/44
  • 2a00:4802:380::/44
  • 2a00:4802:3a0::/44
  • 2a00:4802:d00::/44
  • 2a00:4802:1000::/44
  • 2a00:4802:1800::/44
  • 2a00:4802:1c00::/44
  • 2a00:4802:2200::/44
  • 2a00:4802:2600::/44
  • 2a00:4802:2800::/44
  • 2a00:4802:2a00::/44
  • 2a00:4802:2e40::/44
  • 2a00:4802:3020::/44
  • 2a00:4802:3200::/44
  • 2a00:4802:3400::/44
  • 2a00:4802:3800::/44
  • 2a00:4802:3c00::/44
  • 2a00:4802:3e20::/44
  • 2a00:4802:4a20::/44
  • 2a00:4802:4e00::/44
  • 2a00:4802:4e20::/44
  • 2a00:4802:5000::/44
  • 2a00:4802:5200::/44