$ query “AS199803” --type=asn → 1 result(s)
AS199803 — COMSOURCE
ComSource s.r.o.
AS199803 is a mid-size transit provider run by ComSource s.r.o., registered in Czechia since 2014. The network announces 1 536 IPv4 addresses. Supports IPv6.
- #9 in Czechia — Top 10 by reach within country
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 21, 2014
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 1 536
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇨🇿 CZ (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 1 536 total (0.00%)
Connectivity Summary
- Upstream Providers
- 3 upstream autonomous systems providing transit
- Peers
- 18 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 9 downstream autonomous systems buying transit
- Degree
- 30 unique BGP neighbors (providers + customers + peers)
- Reach
- 64 — customer cone size measuring network influence
- Degree Rank
- #4 842
- Reach Rank
- #1 368
- Country Rank
- #9
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (2 total)
- 185.45.200.0/22 (1 024 addresses)
- 185.138.108.0/23 (512 addresses)
IPv6 Prefixes (1 total)
- 2a01:7fe0::/32