$ 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