$ query “AS21030” --type=asn → 1 result(s)

AS21030 — CDNNOW-AS

Cluster LLC

AS21030 is a hosting access provider registered to Cluster LLC, based in Russia since 2015. The network announces 2 816 IPv4 addresses. Supports IPv6.

Basic Information

Country
🇷🇺 Russia
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 27, 2015
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
11 / 6
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
2 816
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇷🇺 RU (6 IPs), 🇮🇱 IL (4 IPs), 🇻🇬 VG (1 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 2 816 total (0.00%)

Connectivity Summary

Upstream Providers
10 upstream autonomous systems providing transit
Peers
156 autonomous systems exchanging traffic without transit fees
Downstream Customers
2 downstream autonomous systems buying transit
Degree
170 unique BGP neighbors (providers + customers + peers)
Reach
2 — customer cone size measuring network influence
Degree Rank
#810
Reach Rank
#6 519

Upstream Providers (10)

Prefix Lists

IPv4 Prefixes (11 total)

  • 85.209.68.0/22 (1 024 addresses)
  • 185.40.154.0/23 (512 addresses)
  • 185.253.22.0/23 (512 addresses)
  • 130.49.154.0/24 (256 addresses)
  • 185.253.21.0/24 (256 addresses)
  • 194.67.192.0/24 (256 addresses)

IPv6 Prefixes (1 total)

  • 2a04:8580:ffff::/48