$ query “AS21487” --type=asn → 1 result(s)
AS21487 — SAKHATELECOM-AS
PJSC Rostelecom
AS21487 is a residential access provider registered to PJSC Rostelecom, registered in Russia since 2001. The network announces a respectable 36 864 IPv4 addresses. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇷🇺 Russia
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 28, 2001
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 9 / 4
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 36 864
- Largest IPv4 Prefix
- /18 (16 384 addresses)
- Geolocated Countries
- 🇷🇺 RU (6 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 36 864 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 3 downstream autonomous systems buying transit
- Degree
- 4 unique BGP neighbors (providers + customers + peers)
- Reach
- 3 — customer cone size measuring network influence
- Degree Rank
- #17 686
- Reach Rank
- #5 466
Upstream Providers (1)
- AS12389 — ROSTELECOM-AS
Prefix Lists
IPv4 Prefixes (9 total)
- 94.245.128.0/18 (16 384 addresses)
- 80.73.64.0/19 (8 192 addresses)
- 91.185.224.0/19 (8 192 addresses)
- 46.48.128.0/20 (4 096 addresses)