$ query “AS6855” --type=asn → 1 result(s)
AS6855 — SK-TELEKOM
Slovak Telekom a.s.
AS6855 is a major transit provider registered to Slovak Telekom a.s., registered in Slovakia. The network announces a solid 663 040 IPv4 addresses, including a /15. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #3 in Slovakia — Top 10 by reach within country
Basic Information
- Country
- 🇸🇰 Slovakia
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 36 / 28
- IPv6 Prefixes (raw / aggregated)
- 8 / 8
- IPv4 Addresses
- 663 040
- Largest IPv4 Prefix
- /15 (131 072 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇸🇰 SK (29 IPs), 🇨🇿 CZ (29 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 11 flagged IPs out of 663 040 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 8 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 104 downstream autonomous systems buying transit
- Degree
- 120 unique BGP neighbors (providers + customers + peers)
- Reach
- 122 — customer cone size measuring network influence
- Degree Rank
- #1 246
- Reach Rank
- #988
- Country Rank
- #3
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (36 total)
- 78.98.0.0/15 (131 072 addresses)
- 95.102.0.0/15 (131 072 addresses)
- 178.40.0.0/15 (131 072 addresses)
- 87.197.0.0/16 (65 536 addresses)
- 91.127.0.0/16 (65 536 addresses)
- 84.47.0.0/17 (32 768 addresses)
- 195.91.0.0/17 (32 768 addresses)
- 213.81.128.0/17 (32 768 addresses)
- 194.154.224.0/19 (8 192 addresses)
- 195.146.128.0/19 (8 192 addresses)
- 212.5.192.0/19 (8 192 addresses)
- 213.160.160.0/19 (8 192 addresses)
- 85.239.80.0/21 (2 048 addresses)
- 193.84.96.0/22 (1 024 addresses)
- 85.239.68.0/23 (512 addresses)
- 91.195.106.0/23 (512 addresses)
- 91.245.16.0/23 (512 addresses)
- 185.58.102.0/23 (512 addresses)
- 85.248.31.0/24 (256 addresses)
- 85.248.74.0/24 (256 addresses)
- 193.84.7.0/24 (256 addresses)
- 193.84.245.0/24 (256 addresses)
- 193.200.143.0/24 (256 addresses)
- 193.201.110.0/24 (256 addresses)
- 194.48.241.0/24 (256 addresses)
- 194.50.215.0/24 (256 addresses)
- 194.169.224.0/24 (256 addresses)
- 195.216.240.0/24 (256 addresses)
IPv6 Prefixes (8 total)
- 2a00:12a8::/29
- 2a00:6bc0::/32
- 2a01:5f7::/32
- 2001:678:c14::/48
- 2001:67c:16c0::/48
- 2001:67c:1bc4::/48
- 2001:67c:2cc0::/48
- 2001:67c:2f9c::/48